WO2013047070A1 - Radiation moving image processing device, radiation moving image interpretation system, radiation moving image capturing system, radiation moving image processing method, and radiation moving image processing program - Google Patents

Radiation moving image processing device, radiation moving image interpretation system, radiation moving image capturing system, radiation moving image processing method, and radiation moving image processing program Download PDF

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Publication number
WO2013047070A1
WO2013047070A1 PCT/JP2012/071897 JP2012071897W WO2013047070A1 WO 2013047070 A1 WO2013047070 A1 WO 2013047070A1 JP 2012071897 W JP2012071897 W JP 2012071897W WO 2013047070 A1 WO2013047070 A1 WO 2013047070A1
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Prior art keywords
image
moving image
radiation
display
related information
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PCT/JP2012/071897
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French (fr)
Japanese (ja)
Inventor
大田　恭義
西納　直行
北野　浩一
中津川　晴康
岩切　直人
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富士フイルム株式会社
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Publication of WO2013047070A1 publication Critical patent/WO2013047070A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/465—Displaying means of special interest adapted to display user selection data, e.g. graphical user interface, icons or menus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/467—Arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B6/468—Arrangements for interfacing with the operator or the patient characterised by special input means allowing annotation or message recording
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/467—Arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B6/469—Arrangements for interfacing with the operator or the patient characterised by special input means for selecting a region of interest [ROI]
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/20—ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
    • A61B5/743—Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
    • A61B6/4464—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit or the detector unit being mounted to ceiling

Definitions

  • the present invention relates to a radiation moving image processing apparatus, a radiation moving image interpretation system, a radiation moving image photographing system, a radiation moving image processing method, and a radiation moving image processing program.
  • the present invention relates to a radiation moving image processing apparatus, a radiation moving image interpretation system, a radiation moving image capturing system, a radiation moving image processing method, and a radiation moving image processing program for performing image processing on a radiation image as a moving image.
  • a radiographic imaging apparatus for capturing radiographic images
  • a radiographic imaging apparatus that detects radiation irradiated from a radiation irradiation apparatus and transmitted through a subject with a radiation detector is known.
  • the radiographic image capturing apparatus captures a moving image that continuously captures a plurality of radiographic images (still images), for example.
  • diagnosis is performed by a doctor or the like who interprets a still image or a moving image based on the still image or the moving image thus taken.
  • a doctor or the like interprets a still image or a moving image
  • a technique for storing or displaying information related to the doctor's diagnosis in association with the still image or the moving image is known. .
  • annotation data serving as a mark of a region of interest is generated according to user input for time-series image data obtained by a medical image diagnostic apparatus, and the image data is used together with the image data.
  • a technique for displaying annotation data is described.
  • Japanese Patent Laid-Open No. 2010-057528 discloses a technique for arbitrarily generating additional / additional information for a still image and storing it in association with the image data and displaying the additional / additional information on the image data in a superimposed manner. Are listed.
  • a plurality of doctors may make a diagnosis when a doctor or the like interprets a still image or a moving image. For example, there are cases where the doctor who made the initial diagnosis and the doctor who makes the final diagnosis are different, doctors in a plurality of departments make a diagnosis, and cases where a diagnosis is made by a team of doctors.
  • the diagnosis results, findings, confirmation items, etc. of the doctor who performed the diagnosis first must be accurately transmitted to the doctor who will perform the diagnosis later.
  • the above technique cannot be accurately transmitted.
  • a radiation moving image processing apparatus a radiation moving image interpretation system, a radiation moving image photographing system, a radiation moving image processing method, and a radiation moving image processing program are provided.
  • a first aspect of the present invention is a radiological moving image processing apparatus, wherein display control is performed so that a plurality of radiographic images obtained by moving image shooting are continuously displayed and displayed as moving images on a display unit.
  • the radiographic image is controlled to be stored in the storage means as a moving image file, and the image-related information received by the receiving means is regarded as one image in association with the radiographic image displayed on the display means when received.
  • Storage control means for controlling to store in the storage means.
  • a moving image is displayed on the display unit by continuously displaying a plurality of radiation images obtained by moving image shooting under the control of the display control unit.
  • the accepting means accepts image-related information input by a radiogram interpreter for a radiographic image displayed on the display means among a plurality of radiographic images when a moving image is displayed on the display means.
  • the storage control unit controls the storage unit to store a plurality of radiographic images as moving image files.
  • the storage control unit controls the image related information received by the receiving unit as one image and stores it in the storage unit in association with the radiographic image displayed on the display unit when the image is received.
  • the storage control means since the storage control means stores the image related information received by the receiving means as one image, the image related information itself input by the image interpreter itself is displayed as one image on the display means.
  • the image is stored in the storage means as an image-related information file in association with the displayed radiation image.
  • the display control unit when the display control unit receives an instruction to display image-related information from a radiogram interpreter, the image-related information stored in the storage unit and the image-related information It is preferable to perform control so that the radiation image associated with the information is displayed on the display means.
  • the display control unit superimposes the image related information stored in the storage unit and the radiation image associated with the image related information. It is preferable to control to display on the display means.
  • the accepting unit accepts image-related information input by a radiogram interpreter on a predetermined region including a region where the radiation image of the display unit is displayed. Is preferred.
  • the display control unit performs control to display a plurality of radiographic images including the radiographic image associated with the image-related information on the display unit as a moving image. It is preferable to control to read out the image related information from the storage unit and display it on the display unit together with the radiographic image associated with the image related information.
  • the display control unit displays a plurality of radiographic images as moving images on the display unit
  • the displayed radiographic image is any of the plurality of radiographic images. It is preferable to perform control so that information indicating whether or not is displayed on the display means.
  • the display control means displays information indicating which of the plurality of radiographic images is a radiographic image associated with the image-related information. It is preferable to control the display.
  • the moving image file includes image data of a plurality of radiation images and information on the plurality of radiation images, and causes the display unit to display the plurality of radiation images as a moving image.
  • the storage control means When instructed by the radiogram interpreter, the storage control means preferably performs control so that information relating to the radiogram interpreter is stored in the moving image file as information relating to a plurality of radiographic images.
  • the storage control means performs control so that information relating to the radiographer who has input the image related information is stored in the moving image file as information relating to a plurality of radiation images. It is preferable.
  • the image-related information file includes one-image data of the image-related information and information related to one image
  • the storage control means receives the image-related information. It is preferable to control so that the information related to the image is stored in the image related information file as information related to one image.
  • the storage control means preferably controls the storage means to store the image relation information as an image relation information file different from the moving image file.
  • a radiological moving image interpretation system wherein a display unit that displays a radiographic image, a storage unit, and a plurality of radiographic images obtained by moving image capturing are continuously displayed on the display unit. Displaying as a moving image by controlling the display, controlling the moving image file to be stored in the storage means, receiving the image related information input by the interpreter, and storing the image related information as one image as an image related information file.
  • the radiation moving image processing apparatus according to any one of the first to eleventh aspects, which is controlled to be stored in a means.
  • a radiation moving image capturing system that detects radiation according to a dose of irradiated radiation and outputs a radiation image based on the detected radiation, and radiation detection.
  • a radiological moving image interpretation system according to the twelfth aspect that interprets a moving image obtained by moving image shooting using a device.
  • a fourteenth aspect of the present invention is a radiation moving image processing method, wherein a plurality of radiation images obtained by moving image capturing are continuously displayed so as to be displayed as moving images on the display means.
  • the radiographic image is controlled to be stored in the storage means as a moving image file, and the image-related information received by the receiving means is regarded as one image in association with the radiographic image displayed on the display means when received.
  • a radiation moving image processing program for controlling to display a plurality of radiation images obtained by moving image capturing as a moving image by continuously displaying the plurality of radiation images.
  • the radiographic image is controlled to be stored in the storage means as a moving image file, and the image-related information received by the receiving means is regarded as one image in association with the radiographic image displayed on the display means when received.
  • diagnosis results, findings, confirmation items, and the like by the previous interpreter are analyzed from the previous interpreter who interprets the radiographic image as a moving image to the subsequent interpreter. There is an effect that information can be accurately transmitted.
  • FIG. 1 is a schematic configuration diagram of an outline of an overall configuration of an example of a radiographic imaging system according to the present embodiment. It is a cross-sectional schematic diagram which shows roughly an example of a structure of the radiation detector which concerns on this Embodiment. It is a functional block diagram for demonstrating an example of the radiographic image processing function which concerns on this Embodiment. It is a flowchart of an example of the radiographic image process which concerns on this Embodiment. It is explanatory drawing which shows an example of the expand
  • FIG. 1 shows a schematic configuration diagram of an overall configuration of an example of a radiographic imaging system according to the present exemplary embodiment.
  • the radiographic image capturing system 10 of the present embodiment can capture a moving image in addition to a radiographic image as a still image.
  • a moving image refers to displaying still images one after another at a high speed and recognizing them as moving images.
  • the still images are captured, converted into electric signals, transmitted, and transmitted.
  • the process of replaying a still image is repeated at high speed. Therefore, the moving image includes so-called “frame advance” in which the same area (part or all) is photographed a plurality of times within a predetermined time and continuously reproduced according to the degree of “high speed”. Shall be.
  • the radiographic imaging system 10 of the present exemplary embodiment is based on an instruction (imaging menu) input from an external system (for example, RIS: Radiology Information System: radiation information system) via the console 16. It has a function of taking a radiographic image by an operation such as the above.
  • an instruction for example, RIS: Radiology Information System: radiation information system
  • the radiographic image capturing system 10 displays a still image and a moving image of the captured radiographic image on the display 50 of the console 16 or the radiographic image interpretation device 18, thereby allowing a doctor, a radiographer, or the like to perform radiation. It has a function to interpret images.
  • the radiographic imaging system 10 includes a radiation generation device 12, a radiographic image processing device 14, a console 16, a storage unit 17, a radiographic image interpretation device 18, and an electronic cassette 20.
  • the radiation generator 12 includes a radiation irradiation control unit 22.
  • the radiation irradiation control unit 22 has a function of irradiating the imaging target region of the subject 30 on the imaging table 32 with the radiation X from the radiation irradiation source 22 ⁇ / b> A based on the control of the radiation control unit 62 of the radiation image processing apparatus 14. ing.
  • the radiation X transmitted through the subject 30 is applied to the electronic cassette 20 held in the holding unit 34 inside the imaging table 32.
  • the electronic cassette 20 has a function of generating charges according to the dose of the radiation X that has passed through the subject 30, generating image data indicating a radiographic image based on the generated charge amount, and outputting the image data.
  • the electronic cassette 20 according to the present embodiment includes a radiation detector 26. A schematic cross-sectional view schematically showing an example of the configuration of the radiation detector 26 of the present embodiment is shown in FIG.
  • a signal output unit 72, a sensor unit 74 (TFT substrate 94), and a scintillator 76 are sequentially stacked on an insulating substrate 70, and the signal output unit 72,
  • the pixel group of the TFT substrate 94 is configured by the sensor unit 74. That is, the plurality of pixels are arranged in a matrix on the substrate 70, and the signal output unit 72 and the sensor unit 74 in each pixel are configured to overlap each other.
  • An insulating film 73 is interposed between the signal output unit 72 and the sensor unit 74.
  • the scintillator 76 is formed on the sensor unit 74 via a transparent insulating film 78, and forms a phosphor that emits light by converting radiation incident from above (opposite side of the substrate 70) or below into light. It is a thing. By providing such a scintillator 76, the radiation transmitted through the subject is absorbed and light is emitted.
  • the wavelength range of light emitted from the scintillator 76 is preferably a visible light range (wavelength 360 nm to 830 nm). In order to enable monochrome imaging by the radiation detector 26, it is more preferable to include a green wavelength region.
  • the phosphor used for the scintillator 76 preferably contains cesium iodide (CsI) when imaging using X-rays as radiation.
  • CsI cesium iodide
  • the sensor unit 74 includes an upper electrode 80, a lower electrode 82, and a photoelectric conversion film 84.
  • the photoelectric conversion film 84 disposed between the upper electrode 80 and the lower electrode 82 is made of an organic photoelectric conversion material that absorbs light emitted from the scintillator 76 and generates charges.
  • the upper electrode 80 be made of a conductive material that is transparent at least with respect to the emission wavelength of the scintillator 76.
  • the upper electrode 80 is preferably made of a transparent conductive oxide (TCO) having a high visible light transmittance and a low resistance value.
  • TCO transparent conductive oxide
  • a metal thin film such as Au can be used as the upper electrode 80, TCO is preferable because it tends to increase the resistance value when it is desired to obtain a transmittance of 90% or more.
  • ITO ITO, IZO, AZO, FTO, SnO 2 , TiO 2 , ZnO 2 or the like
  • ITO is most preferable from the viewpoints of process simplicity, low resistance, and transparency.
  • the upper electrode 80 may have a single configuration common to all pixels, or may be divided for each pixel.
  • the photoelectric conversion film 84 includes an organic photoelectric conversion material, absorbs light emitted from the scintillator 76, and generates electric charge according to the absorbed light.
  • the photoelectric conversion film 84 including the organic photoelectric conversion material has a sharp absorption spectrum in the visible region, and electromagnetic waves other than light emitted by the scintillator 76 are hardly absorbed by the photoelectric conversion film 84.
  • the photoelectric conversion film 84 including the organic photoelectric conversion material can effectively suppress noise generated when radiation such as X-rays is absorbed by the photoelectric conversion film 84.
  • the organic photoelectric conversion material constituting the photoelectric conversion film 84 is preferably such that its absorption peak wavelength is closer to the emission peak wavelength of the scintillator 76 in order to absorb light emitted by the scintillator 76 most efficiently.
  • the absorption peak wavelength of the organic photoelectric conversion material matches the emission peak wavelength of the scintillator 76, but if the difference between the two is small, the light emitted from the scintillator 76 can be sufficiently absorbed.
  • the difference between the absorption peak wavelength of the organic photoelectric conversion material and the emission peak wavelength with respect to the radiation of the scintillator 76 is preferably within 10 nm, and more preferably within 5 nm.
  • organic photoelectric conversion materials examples include quinacridone organic compounds and phthalocyanine organic compounds.
  • quinacridone organic compounds examples include quinacridone organic compounds and phthalocyanine organic compounds.
  • the absorption peak wavelength of quinacridone in the visible region is 560 nm. Therefore, when quinacridone is used as the organic photoelectric conversion material and CsI (Tl) is used as the material of the scintillator 56, the difference in peak wavelength can be within 5 nm, and the amount of charge generated in the photoelectric conversion film 84 Can be almost maximized.
  • the sensor unit 74 constituting each pixel only needs to include at least the lower electrode 82, the photoelectric conversion film 84, and the upper electrode 80.
  • the sensor unit 74 is preferably provided with at least one of the electron blocking film 86 and the hole blocking film 88, more preferably both, in order to suppress an increase in dark current.
  • the electron blocking film 86 can be provided between the lower electrode 82 and the photoelectric conversion film 84, and when a bias voltage is applied between the lower electrode 82 and the upper electrode 80, the photoelectric conversion film 84 is formed from the lower electrode 82. It is possible to prevent the dark current from being increased due to the injection of electrons.
  • An electron donating organic material can be used for the electron blocking film 86.
  • the hole blocking film 88 can be provided between the photoelectric conversion film 84 and the upper electrode 80, and when a bias voltage is applied between the lower electrode 82 and the upper electrode 80, the photoelectric conversion film is formed from the upper electrode 80. It can be suppressed that holes are injected into 84 and the dark current increases.
  • An electron-accepting organic material can be used for the hole blocking film 88.
  • the signal output unit 72 corresponds to the lower electrode 82, a capacitor 90 that accumulates the charges transferred to the lower electrode 82, and a field effect thin film transistor (Thin) that converts the charges accumulated in the capacitor 90 into an electric signal and outputs the electric signal.
  • a film transistor (hereinafter sometimes simply referred to as a TFT) 92 is formed.
  • the region in which the capacitor 90 and the TFT 92 are formed has a portion that overlaps the lower electrode 82 in a plan view. With such a configuration, the signal output unit 72 and the sensor unit 74 in each pixel have a thickness. There will be overlap in the direction. In order to minimize the plane area of the radiation detector 26 (pixel), it is desirable that the region where the capacitor 90 and the TFT 92 are formed is completely covered by the lower electrode 82.
  • the radiation detector 26 is not limited to the above-described one, and may be, for example, a flexible substrate.
  • the flexible substrate it is preferable to apply a substrate using ultra-thin glass by a recently developed float method as a base material in order to improve the radiation transmittance.
  • the ultra-thin glass that can be applied at this time, for example, “Asahi Glass Co., Ltd.,“ Successfully developed the world's thinnest 0.1 mm thick ultra-thin glass by the float method ”, [online], [2011 Aug. 20 search], Internet ⁇ URL: http://www.agc.com/news/2011/0516.pdf> ”.
  • image information indicating the radiation image output by the electronic cassette 20 is input to the console 16.
  • the console 16 according to the present embodiment uses the radiography (LAN: Local Area Network) or the like from an external system (RIS) or the like, using a radiographing menu, various types of information, or the like. It has a function to perform control.
  • the console 16 according to the present embodiment has a function of transmitting / receiving various types of information including image data of radiographic images to / from the radiographic image processing device 14, and also includes image data of radiographic images and the like with the electronic cassette 20. It has a function to send and receive various information.
  • the console 16 of the present embodiment is configured as a server computer.
  • the console 16 includes a CPU 40, a ROM 42, a RAM 44, an HDD 46, a display driver 48, a display 50, an operation input detection unit 52, an operation panel 54, an I / O unit 56, and an I / F unit 58.
  • CPU 40 has a function of controlling the operation of the entire console 16.
  • various programs including a control program used by the CPU 40 are stored in the ROM 42 in advance.
  • the RAM 44 has a function of temporarily storing various data.
  • the HDD (Hard Disk Drive) 46 has a function of storing and holding various data.
  • the display driver 48 has a function of controlling display of various information on the display 50.
  • the display 50 according to the present embodiment has a function of displaying an imaging menu, a captured radiographic image, and the like, and is configured as a touch panel (operation panel 54).
  • the operation input detection unit 52 has a function of detecting an operation state with respect to the operation panel 54.
  • the operation panel 54 is used for inputting various kinds of information and operation instructions by a doctor or a radiographer who is a radiographer who takes a radiographic image, and a doctor or radiographer who is an interpreter who interprets the radiographic image taken. belongs to.
  • the operation panel 54 of the present embodiment includes at least a touch panel.
  • the operation panel 54 of the present embodiment includes a touch pen, a plurality of keys, a mouse, and the like.
  • the I / O unit 56 and the I / F unit 58 transmit and receive various types of information to and from the radiographic image processing apparatus 14 and the radiation generating apparatus 12 through wireless communication, and image data to and from the electronic cassette 20. And the like.
  • the CPU 40, the ROM 42, the RAM 44, the HDD 46, the display driver 48, the operation input detection unit 52, and the I / O unit 56 are connected to each other via a bus 59 such as a system bus or a control bus so as to be able to exchange information. Yes. Therefore, the CPU 40 can access the ROM 42, the RAM 44, and the HDD 46.
  • the CPU 40 also controls display of various types of information on the display 50 via the display driver 48 and controls transmission / reception of various types of information with the radiation generator 12 and the electronic cassette 20 via the I / F unit 58. be able to. Further, the CPU 40 can grasp the operation state of the image interpreter with respect to the operation panel 54 via the operation input detection unit 52.
  • the radiation image processing apparatus 14 has a function of controlling the radiation generation apparatus 12 and the electronic cassette 20 based on an instruction from the console 16.
  • the radiographic image processing device 14 has a function (details will be described later) for controlling storage of image data of a captured radiographic image in the storage unit 17 and display on the display 50 of the console 16 and the radiographic image interpretation device 18. .
  • the radiation image processing apparatus 14 includes a system control unit 60, a radiation control unit 62, a panel control unit 64, an image processing control unit 66, and an I / F unit 68.
  • the system control unit 60 has a function of controlling the entire radiographic image processing apparatus 14 and a function of controlling the radiographic image capturing system 10.
  • the radiation control unit 62 has a function of controlling the radiation irradiation control unit 22 of the radiation generator 12 based on an instruction from the console 16.
  • the panel control unit 64 has a function of receiving information from the electronic cassette 20 wirelessly or by wire, and the image processing control unit 66 has a function of performing various image processes on the radiation image.
  • the system control unit 60, the radiation control unit 62, the panel control unit 64, and the image processing control unit 66 are connected to each other through a bus 69 such as a system bus or a control bus so as to be able to exchange information.
  • the storage unit 17 of the present embodiment has a function of storing a captured radiographic image and information related to the radiographic image, and is configured by, for example, an HDD.
  • the radiological image interpretation device 18 is a device having a function for a radiographer such as a doctor to interpret a captured radiographic image, and is not particularly limited, but a so-called radiological image viewer, console, and A tablet terminal etc. are mentioned.
  • the radiographic image interpretation apparatus 18 of the present embodiment is configured as a personal computer. Similar to the console 16, the radiographic image interpretation apparatus 18 includes a CPU, ROM, RAM, HDD, display driver, display 23, operation input detection unit, operation panel 24, I / O unit, and I / F unit. Has been. In FIG. 1, only the display 23 and the operation panel 24 are shown, and other descriptions are omitted in order to avoid complicated description.
  • FIG. 3 is a functional block diagram for explaining an example of the radiation image processing function. The block diagram categorizes the radiographic image processing functions by function and does not limit the hardware configuration.
  • the radiographic image capturing system 10 (radiological image processing apparatus 14) according to the present embodiment includes a display control unit 100, a progress table chart generation unit 102, a reception unit 106, and a postscript memo image layer file generation unit 108. And a storage control unit 110.
  • the display 23 (operation panel 24) and the display 50 (operation panel 54) are shown in common.
  • the display control unit 100 has a function of controlling display of image data and the like on the display 23 and the display 50.
  • a progress chart 120, a moving image 122, and other information 126 are displayed.
  • the additional memo image file is stored in the storage unit 17, the additional memo image 124 is displayed on the display 23 and the display 50 together with the moving image 122 associated with the additional memo image 124.
  • one or a predetermined number of a plurality of still images (also referred to as frames) constituting the moving image 122 is associated with one sheet (one layer).
  • the associated image is simply referred to as a moving image 122 associated with the additional note image 124.
  • the display control unit 100 When receiving an instruction to display the moving image 122, the display control unit 100 reads out the moving image data file from the storage unit 17 and displays the moving image 122 in the moving image display area of the display 23 and the display 50. Further, the display control unit 100 reads information related to the moving image 122 to be displayed (for example, information related to the shooting menu) from the header of the moving image data file and displays the information on a predetermined area of the display 23 or the display 50. Further, the display control unit 100 generates the progress table chart 120 by the progress table chart generation unit 102 based on the information read from the header of the moving image data file and displays it in a predetermined area. The progress chart generation unit 102 has a function of generating the progress chart 120 in this way.
  • the progress table chart 120 includes a progress table representing the display time (broadcasting time) of the moving image 122 and the current position (hereinafter referred to as “advance position”) of the entire display time of the moving image 122 currently displayed in the moving image display area. ) Representing a progress position.
  • the “advance position” in the present embodiment indicates which of the plurality of radiographic images is the currently displayed radiographic image.
  • the progress chart 120 displays the memo position indicating the position of the moving image 122 with which the additional memo image 124 is associated. Includes display.
  • the storage control unit 110 performs control so that a memo image (additional memo image) 124 added by the radiogram interpreter to the moving image 122 displayed on the display 23 / display 50 is stored in the storage unit 17 in association with the moving image 122. It has a function to do. Specifically, when the storage control unit 110 displays the moving image 122 by displaying a plurality of radiation images in succession, an interpreter interprets a specific radiation image among the plurality of radiation images. The additional memo image 124 added by is controlled to be stored in the storage unit 17 in association with the radiation image.
  • the accepting unit 106 has a function of accepting the additional note memo image 124 added by the radiogram interpreter through the operation panel 24 and the operation panel 54.
  • the additional memo image layer file generation unit 108 has a function of generating an additional memo image file using the additional memo image 124 received by the reception unit 106 as a layer, that is, as one image.
  • the storage control unit 110 adds information about the additional memo image 124 to the header of the moving image data file including the moving image 122.
  • the additional memo image file is stored as a file different from the moving image data file.
  • the information related to the additional note image 124 is, for example, information related to the progress position of the moving image 122 with which the additional note image 124 is associated, the information about the image reader who added the note, and the like.
  • FIG. 4 shows a flowchart of an example of the radiation image processing of the present embodiment.
  • a memo is added (additional memo) to the moving image on which the first interpreter who first interprets the captured moving image using the console 16 is displayed, and the second interpretation is performed.
  • the radiographic image processing is performed by executing a radiographic image processing program by the system control unit 60 of the radiographic image processing apparatus 14 or the CPU 40 of the console 16.
  • the program is stored in advance in a storage unit (not shown) in the system control unit 60, the ROM 42, or the like, but may be downloaded from an external system (RIS), CD-ROM, USB, or the like. You may comprise.
  • the radiographic image processing shown in FIG. 4 is executed when the first image interpreter or the second image interpreter gives an instruction to interpret (display) a moving image.
  • step S100 a moving image data file of a moving image instructed to be read (displayed) from the storage unit 17 is acquired.
  • the moving image data file is expanded.
  • An example of the developed moving image data file is shown in FIG.
  • the moving image data file according to the present embodiment includes a file information section (see FIG. 5, File Info), a header (see FIG. 5, Header Info), and a moving image data section (see FIG. 5, Image Data). Contains.
  • the file information section stores basic information about moving image data files.
  • the header stores information related to moving image data such as moving image broadcast (display) time.
  • the moving image data itself is stored in the moving image data section.
  • step S104 it is determined whether or not there is additional memo information in the moving image header.
  • additional memo information in the present embodiment, when the first radiographer interprets, it is denied because there is no additional memo information, and the process proceeds to step S106.
  • steps S106 to S118 show a flow when the first radiographer interprets.
  • step S106 other information 126 is displayed on the display 50 based on the information about the moving image data stored in the header of the expanded moving image data file (see FIG. 6).
  • the other information 126 includes information on a shooting menu when shooting the moving image (see FIG. 6, MENU Info), and information on radiation irradiation when shooting the moving image (FIG. 6, X-Ray Info) and information on the interpreter (for example, the ID of the interpreter, see FIG. 6, User Information), etc. It may be.
  • FIG. 7 shows a flowchart of an example of the creation of the progress table chart 120 and the display process on the display 50 according to the present embodiment.
  • a header is acquired from the expanded moving image data file.
  • the broadcast time (display time) of the moving image is read from the acquired header.
  • a progress table chart 120 is created based on the read moving image broadcast time, and the progress table 130 is displayed on a predetermined area of the display 50 (to display the progress table 130 as shown in FIG. 6). Display in a predetermined area within a predetermined display area of the display 50).
  • a progress position display 132 for indicating the progress position of the moving image displayed in the moving image area is displayed on the display 50 as shown in FIG.
  • the progress chart creation / display processing ends.
  • control is performed so that the progress position display 132 is moved with respect to the progress table 130 in accordance with the display of the displayed moving image.
  • FIG. 8 shows a flowchart of an example of processing for displaying the moving image 122 on the display 50 according to the present embodiment.
  • step S400 shown in FIG. 8 after controlling to display the moving image 122 in the moving image display area of the display 50 based on the moving image data, the moving image display process is terminated. With this process, the moving image 122 is displayed in the moving image display area of the display 50.
  • step S112 while the moving image 122 is displayed it is determined whether or not an additional note has been added. If additional writing by the first radiogram interpreter is not performed, the determination is negative and the process proceeds to step S118.
  • FIG. 9 shows a state where a memo is added.
  • FIG. 9 shows a state where an additional note image 124 is added as a note for indicating a region of interest in a moving image as a specific example.
  • the first radiogram interpreter can add a note or the like to the moving image displayed during the interpretation of the displayed moving image 122.
  • the first interpreter can temporarily stop the progress of the displayed moving image 122 and add a memo or the like to the stationary moving image 122, and the display progresses.
  • An additional note such as a memo can also be added to the moving image 122.
  • the first interpreter may instruct which one to perform by an instruction unit (not shown) or the like.
  • the first radiographer adds information directly on the display 50 that is the operation panel 54 with a touch pen or the like.
  • the additional recording method is not limited to this, and a keyboard or the like may be used, but it is preferable that the first interpreter can directly add to the displayed moving image 122. Therefore, it is preferable to additionally write the additional note image 124 on the display 50 as in the present embodiment.
  • the area where the memo can be added preferably includes a moving image display area in which the moving image 122 is displayed, may be a predetermined area including the moving image display area, The entire display area may be used.
  • the first interpreter instructs the end of the memo addition by the first interpreter using an instruction unit (not shown) or the like.
  • step S114 the file of the additional memo (added memo image file) is created as a layer as a file different from the moving image data file of the moving image 122 being displayed. And stored in the storage unit 17.
  • the additional memo information is, for example, information indicating which radiographic image associated with the additional memo image is a plurality of radiographic images constituting the moving image 122. This is information indicating (progress position), information (ID or the like) related to the radiographer who added the note.
  • FIG. 10A shows a state in which the information for the additional memo is added to the developed moving image data file. Further, the additional memo image file is shown in FIG. 10B.
  • information (ID and the like) related to the added radiographer is also stored in the header of the postscript memo image file (see FIG. 10B, Header Info).
  • next step S118 it is determined whether or not to end this process. For example, if the moving image 122 is being broadcast (displayed) and has not been broadcast to the end yet, the result is negative and the process returns to step S110. Further, when the moving image 122 is displayed and a memo is additionally written by the first interpreter, the process of storing the additional memo image as a layer in the additional memo image file is repeated.
  • step S106 to step S118 the result of interpretation of the moving image by the first interpreter, for example, an additional note indicating the diagnosis contents, findings, confirmation items, etc. is associated with the moving image as moving image data.
  • the file is stored in a different file.
  • step S104 of the radiation image processing of the present embodiment Affirmation is made and the process proceeds to step S126.
  • steps S126 to S138 show a flow when the second radiogram interpreter interprets. Note that steps S126 to S138 correspond to the processes of steps S106 to S118 described above, respectively, so that substantially similar processes are described as such, and detailed descriptions thereof are omitted.
  • step S126 other information 126 is displayed on the display 23 of the radiation image interpretation apparatus 18 based on the information about the moving image data stored in the header of the developed moving image data file (see FIG. 11).
  • FIG. 12 shows a flowchart of an example of creation of the progress table chart 120 and display processing on the display 23 according to the present embodiment.
  • a header is acquired from the expanded moving image data file.
  • the moving image broadcast time (display time) is read from the acquired header.
  • the progress table chart 120 is created based on the read moving image broadcast time, and the progress table 130 is displayed in a predetermined area of the display 23 as shown in FIG.
  • step S306 additional memo information is acquired from the header of the moving image data file.
  • step S308 based on the acquired additional memo information, the position of the additional memo image (the progress position of the moving image associated with the additional memo image) is determined with respect to the progress table 130 of the progress chart 120.
  • a memo position display 134 is displayed on the display 23.
  • a progress position display 132 for indicating the progress position of the moving image displayed in the moving image area is displayed on the display 23 with respect to the progress table 130 of the progress table chart 120, and then the progress table is displayed.
  • the chart creation / display process ends.
  • the advancing position display 132 is moved with respect to the progress table 130 in accordance with the display of the moving image being displayed.
  • FIG. 13 shows a flowchart of an example of display processing of the moving image 122 on the display 23 according to the present embodiment.
  • step S500 shown in FIG. 13 it is determined whether or not there is an instruction to display the additional memo image from the second radiogram interpreter.
  • the additional memo image 124 is associated with the moving image data
  • the additional memo image 124 is stored in the additional memo image 124 according to an instruction from the image interpreter separately from the display of the normal moving image 122. It is displayed together with the associated moving image 122.
  • FIG. 13 shows a flowchart of an example of display processing of the moving image 122 on the display 23 according to the present embodiment.
  • the additional note image 124 and the moving image 122 associated with the additional note image 124 are displayed in an overlapping manner.
  • the additional memo image 124 and the moving image 122 may be displayed in a moving image display area, or may be displayed in a different area (including a moving image display area) from the moving image display area.
  • the display instruction of the additional note image 124 is performed separately from the display of the normal moving image 122.
  • the additional memo image display instruction may be such that the second interpreter instructs the memo position display 134 of the progress chart 120, and the method is not particularly limited.
  • step S502 the moving image 122 associated with the instructed additional note image 124 is read and displayed on the display 23.
  • step S504 control is performed to display the additional memo image 124 on the display 23, and then the moving image display process is terminated.
  • step S506 the moving image 122 is displayed in the moving image display area of the display 23 based on the moving image data.
  • the additional note image 124 is also controlled to be displayed on the display 23, and then the moving image display process is performed. finish.
  • a memo such as a diagnosis result can be additionally recorded in the second interpreter as in the first interpreter. Therefore, in the next steps S132 to S136, the presence / absence of an additional note is determined in the same manner as in steps S112 to S116 described above.
  • a process is performed to create an additional memo image file by using the additional memo image 124 as a layer and store it in the storage unit 17 and to store additional memo information in the header of the moving image data file Apply.
  • step S138 it is determined whether or not to end. If not, the determination is negative and the process returns to step S130 to repeat this process. On the other hand, if the process is to be terminated, the determination is affirmed and this process is terminated.
  • a plurality of radiographic images obtained from the electronic cassette 20 by capturing moving images are continuously displayed on the display of the console 16.
  • 50 or the display image of the radiographic image interpretation device 18 is displayed by the display control unit 100 so that the moving image 122 is displayed.
  • the first interpreter reads the diagnosis results, findings, and confirmation items on the area where the moving image 122 is displayed on the display (display 50) configured as the touch panel (operation panel 54). Add notes such as. Specifically, the first radiographer adds a memo on a specific radiographic image among a plurality of radiographic images continuously displayed as the moving image 122.
  • the additional memo image layer file generation unit 108 creates the additional memo image file by using the additional memo image 124 as one image (layer).
  • the storage control unit 110 performs control so that the additional memo image 124 is stored in the storage unit 17 separately from the moving image data file of the moving image 122.
  • the display control unit 100 displays the radiographic image associated with the additional note image 124 while the moving image 122 is displayed. Display.
  • a memo directly input (filled) by a radiogram interpreter who performs diagnosis or the like using the moving image 122 is added as a memo image 124 as an additional memo image file as a layer in association with the recorded radiographic image. Create and remember. Therefore, in this embodiment, when a radiographer who interprets after the radiogram interpreter interprets the moving image 122, the memo of the previous radiographer can be received without impairing the state input by the radiographer. it can. In addition, in this embodiment, the intention of the previous interpreter at the time of interpretation can be saved (stored), so that human beings can intuitively judge and diagnose, and the input information is accurate for the subsequent interpreter. Can be communicated to.
  • information such as diagnosis results, findings, and confirmation items by the previous interpreter is accurately transmitted from the previous interpreter who interprets the radiographic image as a moving image to the subsequent interpreter. Can be done.
  • the previous interpreter is different from the later interpreter, but even the same interpreter can accurately transmit the information when the first interpretation is performed. Diagnosis can be performed, and improvement in diagnosis efficiency can be achieved.
  • the additional memo image file may be a moving image file.
  • a note is added to the moving image 122 that progresses (when there are a plurality of images associated with the additionally recorded note image 124), or to follow changes in the moving image 122 (for example, interest to move or beat)
  • a memo is added (following the movement of the region, stent, etc.)
  • it may be a moving image file.
  • the present invention is not limited to these, and a moving image file may be used according to the locus in which the additional note image 124 is additionally recorded.
  • the additional memo image 124 is associated as one layer with one of the plurality of radiographic images constituting the moving image 122. .
  • the additional memo image 124 when the additional memo image 124 is displayed, the additional memo image 124 is displayed together with the associated moving image 122, but the present invention is not limited to this. For example, you may make it display the moving image 122 (still image which comprises the moving image 122) before and behind the said moving image 122 containing the associated moving image 122.
  • FIG. 1 shows the moving image 122 (still image which comprises the moving image 122) before and behind the said moving image 122 containing the associated moving image 122.
  • the additional note image 124 when the additional note image 124 is displayed, it may be displayed in the same manner as the additional note image 124 added by the radiographer, or highlighting such as different colors is performed so as to pay attention to the additional note image 124. You may do it.
  • the additional note image 124 When the additional note image 124 is displayed, the additional note image 124 may be noted by blinking the moving image 122 before and after the moving image 122 associated with the additional note image 124.
  • an additional memo image file in which the additional memo image 124 is a file different from the moving image data file is created and stored in the storage unit 17.
  • the postscript memo image 124 may be stored in the header or option area of the moving image data file.
  • an additional memo image file may be created as a separate file, or a moving image may be associated with the moving image 122 for easy handling. You may make it memorize
  • the first image reader and the second image reader interpret the moving image data file stored in the storage unit 17
  • the present invention is not limited to this.
  • the first radiographer may interpret the moving image output from the electronic cassette 20 in real time where the radiation image is captured.
  • radiographic imaging system 10 the radiographic image processing apparatus 14, the console 16, the radiation detector 26, and the like described in the present embodiment, and radiographic image processing are examples. Needless to say, these can be changed according to the situation within the scope of the present invention.
  • the radiation described in the present embodiment is not particularly limited, and X-rays, ⁇ -rays, and the like can be applied.

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Abstract

The present invention makes it possible to accurately transmit information such as a confirmation item, a diagnostic result from a previous technician who interprets radiation images as a moving image, and findings, from the previous technician to a later technician. More specifically, during display of a moving image, the first technician appends a memo such as a diagnostic result, findings, or a confirmation item, onto the region where the moving image is being displayed on a display configured to be a touch panel (operation panel). When a memo-appended image containing the appended memo is received at the receiving unit, a memo-appended image layer file generation unit creates a memo-appended image file, using the memo-appended image as a single image (layer), and a storage control unit runs a control so as to store the same in a storage unit separately from the moving image data file of the moving image. When the second technician interprets the moving image, a display control unit, upon displaying a radiation image with which the memo-appended image is associated during the display of the moving image, also displays the memo-appended image therewith.

Description

放射線動画像処理装置、放射線動画像読影システム、放射線動画像撮影システム、放射線動画像処理方法、及び放射線動画像処理プログラムRadiation moving image processing apparatus, radiation moving image interpretation system, radiation moving image photographing system, radiation moving image processing method, and radiation moving image processing program
　本発明は、放放射線動画像処理装置、放射線動画像読影システム、放射線動画像撮影システム、放射線動画像処理方法、及び放射線動画像処理プログラムに係る。特に、動画像とした放射線画像に対して画像処理を行う放射線動画像処理装置、放射線動画像読影システム、放射線動画像撮影システム、放射線動画像処理方法、及び放射線動画像処理プログラムに関する。 The present invention relates to a radiation moving image processing apparatus, a radiation moving image interpretation system, a radiation moving image photographing system, a radiation moving image processing method, and a radiation moving image processing program. In particular, the present invention relates to a radiation moving image processing apparatus, a radiation moving image interpretation system, a radiation moving image capturing system, a radiation moving image processing method, and a radiation moving image processing program for performing image processing on a radiation image as a moving image.
　放射線画像の撮影を行うための放射線画像撮影装置として、放射線照射装置から照射され、被写体を透過した放射線を放射線検出器により検出する放射線画像撮影装置が知られている。また、当該放射線画像撮影装置により、静止画像である放射線画像の撮影に加えて、例えば、複数の放射線画像（静止画像）を連続して撮影する動画像の撮影が行われている。 As a radiographic imaging apparatus for capturing radiographic images, a radiographic imaging apparatus that detects radiation irradiated from a radiation irradiation apparatus and transmitted through a subject with a radiation detector is known. In addition to capturing a radiographic image that is a still image, the radiographic image capturing apparatus captures a moving image that continuously captures a plurality of radiographic images (still images), for example.
　一般に、病院等の医療施設においては、このようにして撮影された静止画像や動画像に基づいて、静止画像や動画像を読影した医師等により、診断が行われている。このように医師等が静止画像や動画像を読影することにより診断を行うにあたり、当該医師の診断に関する情報を静止画像や動画像に関連付けて記憶させたり、表示させたりする技術が知られている。 Generally, in a medical facility such as a hospital, diagnosis is performed by a doctor or the like who interprets a still image or a moving image based on the still image or the moving image thus taken. In this way, when a doctor or the like interprets a still image or a moving image, a technique for storing or displaying information related to the doctor's diagnosis in association with the still image or the moving image is known. .
　例えば、特開２００６－２５５０２１号公報には、医用画像診断装置によって得られた時系列的な画像データに対して、ユーザ入力に応じて関心部位の目印となるアノテーションデータを生成し、画像データとともにアノテーションデータを表示する技術が記載されている。また例えば、特開２０１０－０５７５２８号公報には、静止画像に対して付帯・付加情報を任意に生成して画像データと対応付けて記憶するとともに画像データに付帯・付加情報を重畳表示する技術が記載されている。 For example, in Japanese Patent Laid-Open No. 2006-255021, annotation data serving as a mark of a region of interest is generated according to user input for time-series image data obtained by a medical image diagnostic apparatus, and the image data is used together with the image data. A technique for displaying annotation data is described. Further, for example, Japanese Patent Laid-Open No. 2010-057528 discloses a technique for arbitrarily generating additional / additional information for a still image and storing it in association with the image data and displaying the additional / additional information on the image data in a superimposed manner. Are listed.
　上述のように、医師等が静止画像や動画像を読影することにより診断を行うにあたり、複数の医師が診断を行う場合がある。例えば、最初の診断を行った医師と、最終的な診断を行う医師が異なる場合、複数の診療科の医師が診断を行う場合、及び複数の医師からなるチームで診断を行う場合等がある。 As described above, a plurality of doctors may make a diagnosis when a doctor or the like interprets a still image or a moving image. For example, there are cases where the doctor who made the initial diagnosis and the doctor who makes the final diagnosis are different, doctors in a plurality of departments make a diagnosis, and cases where a diagnosis is made by a team of doctors.
　このような場合、先に診断を行った医師の診断結果、所見、及び確認事項等が後に診断を行う医師に正確に伝達されなければならない。しかしながら、上述の技術では、正確に伝達されない懸念がある。 In such a case, the diagnosis results, findings, confirmation items, etc. of the doctor who performed the diagnosis first must be accurately transmitted to the doctor who will perform the diagnosis later. However, there is a concern that the above technique cannot be accurately transmitted.
　本発明は、放射線画像を動画像として読影する先の読影者から後の読影者に対して、先の読影者による診断結果や、所見、及び確認事項等の情報の伝達を正確に行うことができる、放射線動画像処理装置、放射線動画像読影システム、放射線動画像撮影システム、放射線動画像処理方法、及び放射線動画像処理プログラムを提供する。 According to the present invention, it is possible to accurately transmit information such as diagnosis results, findings, and confirmation items from a previous interpreter to a subsequent interpreter who interprets a radiographic image as a moving image. A radiation moving image processing apparatus, a radiation moving image interpretation system, a radiation moving image photographing system, a radiation moving image processing method, and a radiation moving image processing program are provided.
　本発明の第１の態様は、放射線動画像処理装置であって、動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示手段に表示するように制御する表示制御手段と、表示手段に動画像を表示している際に、複数の放射線画像のうち表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける受付手段と、複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御すると共に、受付手段によって受け付けられた画像関係情報を１画像として、受け付けられた際に表示手段に表示されている放射線画像に関連付けて記憶手段に記憶するように制御する記憶制御手段と、を備える。 A first aspect of the present invention is a radiological moving image processing apparatus, wherein display control is performed so that a plurality of radiographic images obtained by moving image shooting are continuously displayed and displayed as moving images on a display unit. A means for receiving image-related information input by a radiographer for a radiographic image displayed on the display means among a plurality of radiographic images when a moving image is displayed on the display means; The radiographic image is controlled to be stored in the storage means as a moving image file, and the image-related information received by the receiving means is regarded as one image in association with the radiographic image displayed on the display means when received. Storage control means for controlling to store in the storage means.
　本発明の第１の態様によれば、表示制御手段の制御により、動画撮影によって得られた複数の放射線画像を連続して表示させることにより表示手段に動画像を表示させる。受付手段は、表示手段に動画像を表示している際に、複数の放射線画像のうち表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける。記憶制御手段は、複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御する。また、記憶制御手段は、受付手段によって受け付けられた画像関係情報を１画像として、受け付けられた際に表示手段に表示されている放射線画像に関連付けて記憶手段に記憶するように制御する。 According to the first aspect of the present invention, a moving image is displayed on the display unit by continuously displaying a plurality of radiation images obtained by moving image shooting under the control of the display control unit. The accepting means accepts image-related information input by a radiogram interpreter for a radiographic image displayed on the display means among a plurality of radiographic images when a moving image is displayed on the display means. The storage control unit controls the storage unit to store a plurality of radiographic images as moving image files. The storage control unit controls the image related information received by the receiving unit as one image and stores it in the storage unit in association with the radiographic image displayed on the display unit when the image is received.
　このように本発明では、記憶制御手段が受付手段によって受け付けられた画像関係情報を１画像として記憶させるため、読影者が入力した画像関係情報そのものが１画像として、受け付けられた際に表示手段に表示されている放射線画像に関連付けて画像関係情報ファイルとして記憶手段に記憶される。これにより、記憶手段に記憶されている動画像ファイルを表示手段に表示させる場合、画像関係情報ファイルから読み出した読影者が入力した画像関係情報そのものを表示手段に表示させることができる。そのため、放射線画像を動画像として読影する先の読影者から後の読影者に対して、先の読影者による診断結果や、所見、及び確認事項等の情報の伝達を正確に行うことができる。 As described above, in the present invention, since the storage control means stores the image related information received by the receiving means as one image, the image related information itself input by the image interpreter itself is displayed as one image on the display means. The image is stored in the storage means as an image-related information file in association with the displayed radiation image. Thereby, when displaying the moving image file memorize | stored in a memory | storage means on a display means, the image related information itself which the image interpreter read from the image related information file input can be displayed on a display means. For this reason, it is possible to accurately transmit information such as diagnosis results, findings, and confirmation items from the previous interpreter to the subsequent interpreter who interprets the radiographic image as a moving image.
　本発明の第２の態様は、上記第１の態様において、表示制御手段は、画像関係情報の表示指示を読影者から受け付けた場合は、記憶手段に記憶されている画像関係情報と、画像関係情報に関連付けられている放射線画像と、を表示手段に表示させるよう制御することが好ましい。 According to a second aspect of the present invention, in the first aspect, when the display control unit receives an instruction to display image-related information from a radiogram interpreter, the image-related information stored in the storage unit and the image-related information It is preferable to perform control so that the radiation image associated with the information is displayed on the display means.
　また、本発明の第３の態様は、上記第２の態様において、表示制御手段は、記憶手段に記憶されている画像関係情報と、画像関係情報に関連付けられている放射線画像と、を重ねて表示手段に表示させるよう制御することが好ましい。 According to a third aspect of the present invention, in the second aspect, the display control unit superimposes the image related information stored in the storage unit and the radiation image associated with the image related information. It is preferable to control to display on the display means.
　また、本発明の第４の態様は、上記態様において、受付手段は、表示手段の放射線画像が表示されている領域を含む予め定められた領域上に読影者が入力した画像関係情報を受け付けることが好ましい。 According to a fourth aspect of the present invention, in the above aspect, the accepting unit accepts image-related information input by a radiogram interpreter on a predetermined region including a region where the radiation image of the display unit is displayed. Is preferred.
　また、本発明の第５の態様は、上記態様において、表示制御手段は、画像関係情報が関連付けられた放射線画像を含む複数の放射線画像を動画像として表示手段に表示するように制御する場合、画像関係情報を記憶手段から読み出し、画像関係情報が関連付けられた放射線画像と共に表示手段に表示するよう制御することが好ましい。 Further, according to a fifth aspect of the present invention, in the above aspect, in the case where the display control unit performs control to display a plurality of radiographic images including the radiographic image associated with the image-related information on the display unit as a moving image. It is preferable to control to read out the image related information from the storage unit and display it on the display unit together with the radiographic image associated with the image related information.
　また、本発明の第６の態様は、上記態様において、表示制御手段は、複数の放射線画像を動画像として表示手段に表示する場合に、表示している放射線画像が複数の放射線画像中のいずれであるかを示す情報を表示手段に表示するよう制御することが好ましい。 According to a sixth aspect of the present invention, in the above aspect, when the display control unit displays a plurality of radiographic images as moving images on the display unit, the displayed radiographic image is any of the plurality of radiographic images. It is preferable to perform control so that information indicating whether or not is displayed on the display means.
　また、本発明の第７の態様は、上記第６の態様において、表示制御手段は、画像関係情報が関連付けられた放射線画像が複数の放射線画像中のいずれであるかを示す情報を表示手段に表示するよう制御することが好ましい。 According to a seventh aspect of the present invention, in the sixth aspect, the display control means displays information indicating which of the plurality of radiographic images is a radiographic image associated with the image-related information. It is preferable to control the display.
　また、本発明の第８の態様は、上記態様において、動画像ファイルは、複数の放射線画像の画像データ及び複数の放射線画像に関する情報を含み、複数の放射線画像を動画像として表示手段に表示させるよう読影者から指示された場合は、記憶制御手段は、読影者に関する情報を複数の放射線画像に関する情報として動画像ファイルに記憶させるよう制御することが好ましい。 According to an eighth aspect of the present invention, in the above aspect, the moving image file includes image data of a plurality of radiation images and information on the plurality of radiation images, and causes the display unit to display the plurality of radiation images as a moving image. When instructed by the radiogram interpreter, the storage control means preferably performs control so that information relating to the radiogram interpreter is stored in the moving image file as information relating to a plurality of radiographic images.
　また、本発明の第９の態様は、上記第８の態様において、記憶制御手段は、画像関係情報を入力した読影者に関する情報を複数の放射線画像に関する情報として動画像ファイルに記憶させるよう制御することが好ましい。 According to a ninth aspect of the present invention, in the eighth aspect, the storage control means performs control so that information relating to the radiographer who has input the image related information is stored in the moving image file as information relating to a plurality of radiation images. It is preferable.
　また、本発明の第１０の態様は、上記態様において、画像関係情報ファイルは、画像関係情報の１画像のデータ及び１画像に関する情報を含み、記憶制御手段は、画像関係情報を入力した読影者に関する情報を１画像に関する情報として画像関係情報ファイルに記憶させるよう制御することが好ましい。 According to a tenth aspect of the present invention, in the above aspect, the image-related information file includes one-image data of the image-related information and information related to one image, and the storage control means receives the image-related information. It is preferable to control so that the information related to the image is stored in the image related information file as information related to one image.
　また、本発明の第１１の態様は、上記態様において、記憶制御手段は、画像関係情報を動画像ファイルとは別の画像関係情報ファイルとして記憶手段に記憶するように制御することが好ましい。 Also, in an eleventh aspect of the present invention, in the above aspect, the storage control means preferably controls the storage means to store the image relation information as an image relation information file different from the moving image file.
　また、本発明の第１２の態様は、放射線動画像読影システムであって、放射線画像を表示する表示手段と、記憶手段と、表示手段に動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示し、動画像ファイルを記憶手段に記憶させるよう制御し、かつ、読影者が入力した画像関係情報を受け付けて、画像関係情報を１画像として画像関係情報ファイルとして記憶手段に記憶させるよう制御する、上記第１の態様から上記第１１の態様のいずれか１態様である放射線動画像処理装置と、を備える。 According to a twelfth aspect of the present invention, there is provided a radiological moving image interpretation system, wherein a display unit that displays a radiographic image, a storage unit, and a plurality of radiographic images obtained by moving image capturing are continuously displayed on the display unit. Displaying as a moving image by controlling the display, controlling the moving image file to be stored in the storage means, receiving the image related information input by the interpreter, and storing the image related information as one image as an image related information file The radiation moving image processing apparatus according to any one of the first to eleventh aspects, which is controlled to be stored in a means.
　本発明の第１３の態様は、放射線動画像撮影システムであって、照射された放射線の線量に応じた放射線を検出し、検出した放射線に基づいて放射線画像を出力する放射線検出器と、放射線検出器を用いた動画撮影によって得られた動画像を読影する上記第１２の態様の放射線動画像読影システムと、を備える。 According to a thirteenth aspect of the present invention, there is provided a radiation moving image capturing system that detects radiation according to a dose of irradiated radiation and outputs a radiation image based on the detected radiation, and radiation detection. A radiological moving image interpretation system according to the twelfth aspect that interprets a moving image obtained by moving image shooting using a device.
　本発明の第１４の態様は、放射線動画像処理方法であって、動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示手段に表示するように制御する表示制御工程と、表示手段に動画像を表示している際に、複数の放射線画像のうち表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける受付工程と、複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御すると共に、受付手段によって受け付けられた画像関係情報を１画像として、受け付けられた際に表示手段に表示されている放射線画像に関連付けて記憶手段に記憶するように制御する記憶制御工程と、を備える。 A fourteenth aspect of the present invention is a radiation moving image processing method, wherein a plurality of radiation images obtained by moving image capturing are continuously displayed so as to be displayed as moving images on the display means. A step of accepting image-related information input by a radiographer for a radiographic image displayed on the display means among a plurality of radiographic images when a moving image is displayed on the display means; The radiographic image is controlled to be stored in the storage means as a moving image file, and the image-related information received by the receiving means is regarded as one image in association with the radiographic image displayed on the display means when received. A storage control step of controlling to store in the storage means.
　本発明の第１５の態様は、放射線動画像処理プログラムであって、動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示手段に表示するように制御する表示制御手段と、表示手段に動画像を表示している際に、複数の放射線画像のうち表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける受付手段と、複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御すると共に、受付手段によって受け付けられた画像関係情報を１画像として、受け付けられた際に表示手段に表示されている放射線画像に関連付けて記憶手段に記憶するように制御する記憶制御手段と、を備えた放射線動画像処理装置の表示制御手段及び記憶制御手段としてコンピュータを機能させるためのものである。 According to a fifteenth aspect of the present invention, there is provided a radiation moving image processing program for controlling to display a plurality of radiation images obtained by moving image capturing as a moving image by continuously displaying the plurality of radiation images. A means for receiving image-related information input by a radiographer for a radiographic image displayed on the display means among a plurality of radiographic images when a moving image is displayed on the display means; The radiographic image is controlled to be stored in the storage means as a moving image file, and the image-related information received by the receiving means is regarded as one image in association with the radiographic image displayed on the display means when received. Storage control means for controlling to store in the storage means, and a computer as a display control means and a storage control means of the radiation moving image processing apparatus. It is for the functioning of the data.
　このように、本発明の上記態様によれば、放射線画像を動画像として読影する先の読影者から後の読影者に対して、先の読影者による診断結果や、所見、及び確認事項等の情報の伝達を正確に行うことができる、という効果を有する。 As described above, according to the above-described aspect of the present invention, diagnosis results, findings, confirmation items, and the like by the previous interpreter are analyzed from the previous interpreter who interprets the radiographic image as a moving image to the subsequent interpreter. There is an effect that information can be accurately transmitted.
本実施の形態に係る放射線画像撮影システムの一例の全体構成の概略の概略構成図である。1 is a schematic configuration diagram of an outline of an overall configuration of an example of a radiographic imaging system according to the present embodiment. 本実施の形態に係る放射線検出器の構成の一例を概略的に示す断面模式図である。It is a cross-sectional schematic diagram which shows roughly an example of a structure of the radiation detector which concerns on this Embodiment. 本実施の形態に係る放射線画像処理機能の一例を説明するための機能ブロック図である。It is a functional block diagram for demonstrating an example of the radiographic image processing function which concerns on this Embodiment. 本実施の形態に係る放射線画像処理の一例のフローチャートである。It is a flowchart of an example of the radiographic image process which concerns on this Embodiment. 本実施の形態に係る展開された動画像ファイルの一例を示す説明図である。It is explanatory drawing which shows an example of the expand | deployed moving image file which concerns on this Embodiment. 本実施の形態に係る動画像の表示の一例を示す説明図である。It is explanatory drawing which shows an example of the display of the moving image which concerns on this Embodiment. 本実施の形態に係る進度表チャート作成・表示処理の一例を示すフローチャートである。It is a flowchart which shows an example of a progress table chart preparation and display process concerning this Embodiment. 本実施の形態に係る動画像表示処理の一例を示すフローチャートである。It is a flowchart which shows an example of the moving image display process which concerns on this Embodiment. 本実施の形態に係る動画像の表示中にメモが追記された状態の一例を説明するための説明図である。It is explanatory drawing for demonstrating an example in the state where the memo was added during the display of the moving image which concerns on this Embodiment. 展開された動画像データファイルに追記メモ用の情報が追加された状態の一例を示す説明図である。It is explanatory drawing which shows an example of the state by which the information for additional memos was added to the expand | deployed moving image data file. 追記メモ画像ファイルの一例を示す説明図である。It is explanatory drawing which shows an example of a postscript memo image file. 本実施の形態に係る動画像の表示の一例を示す説明図である。It is explanatory drawing which shows an example of the display of the moving image which concerns on this Embodiment. 本実施の形態に係る進度表チャート作成・表示処理の一例を示すフローチャートである。It is a flowchart which shows an example of a progress table chart preparation and display process concerning this Embodiment. 本実施の形態に係る動画像表示処理の一例を示すフローチャートである。It is a flowchart which shows an example of the moving image display process which concerns on this Embodiment.
　以下、各図面を参照して本実施の形態の一例について説明する。 Hereinafter, an example of the present embodiment will be described with reference to the drawings.
　まず、本実施の形態の放射線画像処理装置を備えた放射線画像撮影システムの概略構成について説明する。図１には、本実施の形態の放射線画像撮影システムの一例の全体構成の概略の概略構成図を示す。本実施の形態の放射線画像撮影システム１０は、静止画像としての放射線画像に加え、動画像を撮影することが可能である。なお、本実施の形態において動画像とは、静止画像を高速に次々と表示して、動画像として認知させることをいい、静止画像を撮影し、電気信号に変換し、伝送して当該電気信号から静止画像を再生する、というプロセスを高速に繰り返すものである。従って、動画像には、前記「高速」の度合いによって、予め定められた時間内に同一領域（一部又は全部）を複数回撮影し、かつ連続的に再生する、いわゆる「コマ送り」も包含されるものとする。 First, a schematic configuration of a radiographic imaging system provided with the radiographic image processing apparatus of the present embodiment will be described. FIG. 1 shows a schematic configuration diagram of an overall configuration of an example of a radiographic imaging system according to the present exemplary embodiment. The radiographic image capturing system 10 of the present embodiment can capture a moving image in addition to a radiographic image as a still image. Note that in this embodiment, a moving image refers to displaying still images one after another at a high speed and recognizing them as moving images. The still images are captured, converted into electric signals, transmitted, and transmitted. The process of replaying a still image is repeated at high speed. Therefore, the moving image includes so-called “frame advance” in which the same area (part or all) is photographed a plurality of times within a predetermined time and continuously reproduced according to the degree of “high speed”. Shall be.
　本実施の形態の放射線画像撮影システム１０は、コンソール１６を介して外部のシステム（例えば、ＲＩＳ：Ｒａｄｉｏｌｏｇｙ　Ｉｎｆｏｒｍａｔｉｏｎ　Ｓｙｓｔｅｍ：放射線情報システム）から入力された指示（撮影メニュー）に基づいて、医師や放射線技師等の操作により放射線画像の撮影を行う機能を有する。 The radiographic imaging system 10 of the present exemplary embodiment is based on an instruction (imaging menu) input from an external system (for example, RIS: Radiology Information System: radiation information system) via the console 16. It has a function of taking a radiographic image by an operation such as the above.
　また、本実施の形態の放射線画像撮影システム１０は、撮影された放射線画像の静止画像及び動画像をコンソール１６のディスプレイ５０や放射線画像読影装置１８に表示させることにより、医師や放射線技師等に放射線画像を読影させる機能を有する。 The radiographic image capturing system 10 according to the present embodiment displays a still image and a moving image of the captured radiographic image on the display 50 of the console 16 or the radiographic image interpretation device 18, thereby allowing a doctor, a radiographer, or the like to perform radiation. It has a function to interpret images.
　本実施の形態の放射線画像撮影システム１０は、放射線発生装置１２、放射線画像処理装置１４、コンソール１６、記憶部１７、放射線画像読影装置１８、及び電子カセッテ２０を備えている。 The radiographic imaging system 10 according to the present exemplary embodiment includes a radiation generation device 12, a radiographic image processing device 14, a console 16, a storage unit 17, a radiographic image interpretation device 18, and an electronic cassette 20.
　放射線発生装置１２は、放射線照射制御ユニット２２を備えている。放射線照射制御ユニット２２は、放射線画像処理装置１４の放射線制御部６２の制御に基づいて放射線照射源２２Ａから放射線Ｘを撮影台３２上の被検者３０の撮影対象部位に照射させる機能を有している。 The radiation generator 12 includes a radiation irradiation control unit 22. The radiation irradiation control unit 22 has a function of irradiating the imaging target region of the subject 30 on the imaging table 32 with the radiation X from the radiation irradiation source 22 </ b> A based on the control of the radiation control unit 62 of the radiation image processing apparatus 14. ing.
　被検者３０を透過した放射線Ｘは、撮影台３２内部の保持部３４に保持された電子カセッテ２０に照射される。電子カセッテ２０は、被検者３０を透過した放射線Ｘの線量に応じた電荷を発生し、発生した電荷量に基づいて放射線画像を示す画像データを生成して出力する機能を有する。本実施の形態の電子カセッテ２０は、放射線検出器２６を備えて構成されている。本実施の形態の放射線検出器２６の構成の一例を概略的に示す断面模式図を図２に示す。 The radiation X transmitted through the subject 30 is applied to the electronic cassette 20 held in the holding unit 34 inside the imaging table 32. The electronic cassette 20 has a function of generating charges according to the dose of the radiation X that has passed through the subject 30, generating image data indicating a radiographic image based on the generated charge amount, and outputting the image data. The electronic cassette 20 according to the present embodiment includes a radiation detector 26. A schematic cross-sectional view schematically showing an example of the configuration of the radiation detector 26 of the present embodiment is shown in FIG.
　図２に示すように、放射線検出器２６は、絶縁性の基板７０上に、信号出力部７２、センサ部７４（ＴＦＴ基板９４）、及びシンチレータ７６が順次積層しており、信号出力部７２、及びセンサ部７４によりＴＦＴ基板９４の画素群が構成されている。すなわち、複数の画素は、基板７０上にマトリクス状に配列されており、各画素における信号出力部７２とセンサ部７４とが重なりを有するように構成されている。なお、信号出力部７２とセンサ部７４との間には、絶縁膜７３が介在されている。 As shown in FIG. 2, in the radiation detector 26, a signal output unit 72, a sensor unit 74 (TFT substrate 94), and a scintillator 76 are sequentially stacked on an insulating substrate 70, and the signal output unit 72, The pixel group of the TFT substrate 94 is configured by the sensor unit 74. That is, the plurality of pixels are arranged in a matrix on the substrate 70, and the signal output unit 72 and the sensor unit 74 in each pixel are configured to overlap each other. An insulating film 73 is interposed between the signal output unit 72 and the sensor unit 74.
　シンチレータ７６は、センサ部７４上に透明絶縁膜７８を介して形成されており、上方（基板７０の反対側）または下方から入射してくる放射線を光に変換して発光する蛍光体を成膜したものである。このようなシンチレータ７６を設けることで、被写体を透過した放射線を吸収して発光することになる。 The scintillator 76 is formed on the sensor unit 74 via a transparent insulating film 78, and forms a phosphor that emits light by converting radiation incident from above (opposite side of the substrate 70) or below into light. It is a thing. By providing such a scintillator 76, the radiation transmitted through the subject is absorbed and light is emitted.
　シンチレータ７６が発する光の波長域は、可視光域（波長３６０ｎｍ～８３０ｎｍ）であることが好ましい。この放射線検出器２６によってモノクロ撮像を可能とするためには、緑色の波長域を含んでいることがより好ましい。 The wavelength range of light emitted from the scintillator 76 is preferably a visible light range (wavelength 360 nm to 830 nm). In order to enable monochrome imaging by the radiation detector 26, it is more preferable to include a green wavelength region.
　シンチレータ７６に用いる蛍光体としては、具体的には、放射線としてＸ線を用いて撮像する場合、ヨウ化セシウム（ＣｓＩ）を含むものが好ましい。特に、Ｘ線照射時の発光スペクトルが４００ｎｍ～７００ｎｍにあるＣｓＩ（Ｔｌ）（タリウムが添加されたヨウ化セシウム）を用いることが好ましい。なお、ＣｓＩ（Ｔｌ）の可視光域における発光ピーク波長は５６５ｎｍである。 Specifically, the phosphor used for the scintillator 76 preferably contains cesium iodide (CsI) when imaging using X-rays as radiation. In particular, it is preferable to use CsI (Tl) (cesium iodide to which thallium is added) having an emission spectrum of 400 nm to 700 nm at the time of X-ray irradiation. Note that the emission peak wavelength of CsI (Tl) in the visible light region is 565 nm.
　センサ部７４は、上部電極８０、下部電極８２、及び光電変換膜８４を有している。上部電極８０と下部電極８２との間に配置された光電変換膜８４は、シンチレータ７６が発する光を吸収して電荷が発生する有機光電変換材料により構成されている。 The sensor unit 74 includes an upper electrode 80, a lower electrode 82, and a photoelectric conversion film 84. The photoelectric conversion film 84 disposed between the upper electrode 80 and the lower electrode 82 is made of an organic photoelectric conversion material that absorbs light emitted from the scintillator 76 and generates charges.
　上部電極８０は、シンチレータ７６により生じた光を光電変換膜８４に入射させる必要があるため、少なくともシンチレータ７６の発光波長に対して透明な導電性材料で構成することが好ましい。具体的には、上部電極８０は、可視光に対する透過率が高く、抵抗値が小さい透明導電性酸化物（ＴＣＯ：Ｔｒａｎｓｐａｒｅｎｔ　Ｃｏｎｄｕｃｔｉｎｇ　Ｏｘｉｄｅ）を用いることが好ましい。なお、上部電極８０としてＡｕなどの金属薄膜を用いることもできるが、透過率を９０％以上得ようとすると抵抗値が増大し易いため、ＴＣＯの方が好ましい。例えば、ＩＴＯ、ＩＺＯ、ＡＺＯ、ＦＴＯ、ＳｎＯ２、ＴｉＯ２、ＺｎＯ２等を好ましく用いることができる。ロセス簡易性、低抵抗性、透明性の観点からは、ＩＴＯが最も好ましい。なお、上部電極８０は、全画素で共通の一枚構成としてもよく、画素毎に分割してもよい。 Since it is necessary for the upper electrode 80 to cause the light generated by the scintillator 76 to enter the photoelectric conversion film 84, it is preferable that the upper electrode 80 be made of a conductive material that is transparent at least with respect to the emission wavelength of the scintillator 76. Specifically, the upper electrode 80 is preferably made of a transparent conductive oxide (TCO) having a high visible light transmittance and a low resistance value. Although a metal thin film such as Au can be used as the upper electrode 80, TCO is preferable because it tends to increase the resistance value when it is desired to obtain a transmittance of 90% or more. For example, ITO, IZO, AZO, FTO, SnO 2 , TiO 2 , ZnO 2 or the like can be preferably used. ITO is most preferable from the viewpoints of process simplicity, low resistance, and transparency. Note that the upper electrode 80 may have a single configuration common to all pixels, or may be divided for each pixel.
　光電変換膜８４は、有機光電変換材料を含み、シンチレータ７６から発せられた光を吸収し、吸収した光に応じた電荷を発生する。有機光電変換材料を含む光電変換膜８４は、可視域にシャープな吸収スペクトルを持ち、シンチレータ７６による発光以外の電磁波が光電変換膜８４に吸収されることがほとんどない。有機光電変換材料を含む光電変換膜８４は、Ｘ線等の放射線が光電変換膜８４で吸収されることによって発生するノイズを効果的に抑制することができる。 The photoelectric conversion film 84 includes an organic photoelectric conversion material, absorbs light emitted from the scintillator 76, and generates electric charge according to the absorbed light. The photoelectric conversion film 84 including the organic photoelectric conversion material has a sharp absorption spectrum in the visible region, and electromagnetic waves other than light emitted by the scintillator 76 are hardly absorbed by the photoelectric conversion film 84. The photoelectric conversion film 84 including the organic photoelectric conversion material can effectively suppress noise generated when radiation such as X-rays is absorbed by the photoelectric conversion film 84.
　光電変換膜８４を構成する有機光電変換材料は、シンチレータ７６で発光した光を最も効率よく吸収するために、その吸収ピーク波長が、シンチレータ７６の発光ピーク波長と近いほど好ましい。有機光電変換材料の吸収ピーク波長とシンチレータ７６の発光ピーク波長とが一致することが理想的であるが、双方の差が小さければシンチレータ７６から発された光を十分に吸収することが可能である。具体的には、有機光電変換材料の吸収ピーク波長と、シンチレータ７６の放射線に対する発光ピーク波長との差が、１０ｎｍ以内であることが好ましく、５ｎｍ以内であることがより好ましい。 The organic photoelectric conversion material constituting the photoelectric conversion film 84 is preferably such that its absorption peak wavelength is closer to the emission peak wavelength of the scintillator 76 in order to absorb light emitted by the scintillator 76 most efficiently. Ideally, the absorption peak wavelength of the organic photoelectric conversion material matches the emission peak wavelength of the scintillator 76, but if the difference between the two is small, the light emitted from the scintillator 76 can be sufficiently absorbed. . Specifically, the difference between the absorption peak wavelength of the organic photoelectric conversion material and the emission peak wavelength with respect to the radiation of the scintillator 76 is preferably within 10 nm, and more preferably within 5 nm.
　このような条件を満たすことが可能な有機光電変換材料としては、例えばキナクリドン系有機化合物及びフタロシアニン系有機化合物が挙げられる。例えばキナクリドンの可視域における吸収ピーク波長は５６０ｎｍである。そのため、有機光電変換材料としてキナクリドンを用い、シンチレータ５６の材料としてＣｓＩ（Ｔｌ）を用いた場合は、上記ピーク波長の差を５ｎｍ以内にすることが可能となり、光電変換膜８４で発生する電荷量をほぼ最大にすることができる。 Examples of organic photoelectric conversion materials that can satisfy such conditions include quinacridone organic compounds and phthalocyanine organic compounds. For example, the absorption peak wavelength of quinacridone in the visible region is 560 nm. Therefore, when quinacridone is used as the organic photoelectric conversion material and CsI (Tl) is used as the material of the scintillator 56, the difference in peak wavelength can be within 5 nm, and the amount of charge generated in the photoelectric conversion film 84 Can be almost maximized.
　各画素を構成するセンサ部７４は、少なくとも下部電極８２、光電変換膜８４、及び上部電極８０を含んでいればよい。なお、センサ部７４は、暗電流の増加を抑制するため、電子ブロッキング膜８６及び正孔ブロッキング膜８８の少なくともいずれかを設けることが好ましく、両方を設けることがより好ましい。 The sensor unit 74 constituting each pixel only needs to include at least the lower electrode 82, the photoelectric conversion film 84, and the upper electrode 80. The sensor unit 74 is preferably provided with at least one of the electron blocking film 86 and the hole blocking film 88, more preferably both, in order to suppress an increase in dark current.
　電子ブロッキング膜８６は、下部電極８２と光電変換膜８４との間に設けることができ、下部電極８２と上部電極８０との間にバイアス電圧を印加したときに、下部電極８２から光電変換膜８４に電子が注入されて暗電流が増加してしまうのを抑制することができる。電子ブロッキング膜８６には、電子供与性有機材料を用いることができる。 The electron blocking film 86 can be provided between the lower electrode 82 and the photoelectric conversion film 84, and when a bias voltage is applied between the lower electrode 82 and the upper electrode 80, the photoelectric conversion film 84 is formed from the lower electrode 82. It is possible to prevent the dark current from being increased due to the injection of electrons. An electron donating organic material can be used for the electron blocking film 86.
　正孔ブロッキング膜８８は、光電変換膜８４と上部電極８０との間に設けることができ、下部電極８２と上部電極８０との間にバイアス電圧を印加したときに、上部電極８０から光電変換膜８４に正孔が注入されて暗電流が増加してしまうのを抑制することができる。正孔ブロッキング膜８８には、電子受容性有機材料を用いることができる。 The hole blocking film 88 can be provided between the photoelectric conversion film 84 and the upper electrode 80, and when a bias voltage is applied between the lower electrode 82 and the upper electrode 80, the photoelectric conversion film is formed from the upper electrode 80. It can be suppressed that holes are injected into 84 and the dark current increases. An electron-accepting organic material can be used for the hole blocking film 88.
　信号出力部７２は、下部電極８２に対応して、下部電極８２に移動した電荷を蓄積するコンデンサ９０と、コンデンサ９０に蓄積された電荷を電気信号に変換して出力する電界効果型薄膜トランジスタ（Ｔｈｉｎ　Ｆｉｌｍ　Ｔｒａｎｓｉｓｔｏｒ、以下、単にＴＦＴという場合がある。）９２が形成されている。コンデンサ９０及びＴＦＴ９２の形成された領域は、平面視において下部電極８２と重なる部分を有しており、このような構成とすることで、各画素における信号出力部７２とセンサ部７４とが厚さ方向で重なりを有することとなる。なお、放射線検出器２６（画素）の平面積を最小にするために、コンデンサ９０及びＴＦＴ９２の形成された領域が下部電極８２によって完全に覆われていることが望ましい。 The signal output unit 72 corresponds to the lower electrode 82, a capacitor 90 that accumulates the charges transferred to the lower electrode 82, and a field effect thin film transistor (Thin) that converts the charges accumulated in the capacitor 90 into an electric signal and outputs the electric signal. A film transistor (hereinafter sometimes simply referred to as a TFT) 92 is formed. The region in which the capacitor 90 and the TFT 92 are formed has a portion that overlaps the lower electrode 82 in a plan view. With such a configuration, the signal output unit 72 and the sensor unit 74 in each pixel have a thickness. There will be overlap in the direction. In order to minimize the plane area of the radiation detector 26 (pixel), it is desirable that the region where the capacitor 90 and the TFT 92 are formed is completely covered by the lower electrode 82.
　なお、放射線検出器２６は上述のものに限らず、例えば、フレキシブル基板を用いたものでもよい。フレキシブル基板としては、近年開発されたフロート法による超薄板ガラスを基材として用いたものを適用することが、放射線の透過率を向上させるうえで好ましい。なお、この際に適用できる超薄板ガラスについては、例えば、「旭硝子株式会社、"フロート法による世界最薄０．１ミリ厚の超薄板ガラスの開発に成功"、[online]、[平成２３年８月２０日検索]、インターネット＜ＵＲＬ：http://www.agc.com/news/2011/0516.pdf＞」に開示されている。 Note that the radiation detector 26 is not limited to the above-described one, and may be, for example, a flexible substrate. As the flexible substrate, it is preferable to apply a substrate using ultra-thin glass by a recently developed float method as a base material in order to improve the radiation transmittance. As for the ultra-thin glass that can be applied at this time, for example, “Asahi Glass Co., Ltd.,“ Successfully developed the world's thinnest 0.1 mm thick ultra-thin glass by the float method ”, [online], [2011 Aug. 20 search], Internet <URL: http://www.agc.com/news/2011/0516.pdf> ”.
　本実施の形態では、電子カセッテ２０により出力された放射線画像を示す画像情報は、コンソール１６に入力される。本実施の形態のコンソール１６は、無線通信（ＬＡＮ：Ｌｏｃａｌ　Ａｒｅａ　Ｎｅｔｗｏｒｋ）等を介して外部システム（ＲＩＳ）等から取得した撮影メニューや各種情報等を用いて、放射線発生装置１２及び電子カセッテ２０の制御を行う機能を有している。また、本実施の形態のコンソール１６は、放射線画像処理装置１４との間で放射線画像の画像データを含む各種情報の送受信を行う機能と共に、電子カセッテ２０との間で、放射線画像の画像データ等の各種情報の送受信を行う機能を有している。 In the present embodiment, image information indicating the radiation image output by the electronic cassette 20 is input to the console 16. The console 16 according to the present embodiment uses the radiography (LAN: Local Area Network) or the like from an external system (RIS) or the like, using a radiographing menu, various types of information, or the like. It has a function to perform control. In addition, the console 16 according to the present embodiment has a function of transmitting / receiving various types of information including image data of radiographic images to / from the radiographic image processing device 14, and also includes image data of radiographic images and the like with the electronic cassette 20. It has a function to send and receive various information.
　本実施の形態のコンソール１６は、サーバー・コンピュータとして構成されている。コンソール１６は、ＣＰＵ４０、ＲＯＭ４２、ＲＡＭ４４、ＨＤＤ４６、ディスプレイドライバ４８、ディスプレイ５０、操作入力検出部５２、操作パネル５４、Ｉ／Ｏ部５６、及びＩ／Ｆ部５８を備えて構成されている。 The console 16 of the present embodiment is configured as a server computer. The console 16 includes a CPU 40, a ROM 42, a RAM 44, an HDD 46, a display driver 48, a display 50, an operation input detection unit 52, an operation panel 54, an I / O unit 56, and an I / F unit 58.
　ＣＰＵ４０は、コンソール１６全体の動作を制御する機能を有している。ＣＰＵ４０は、ＲＯＭ４２には、ＣＰＵ４０で使用される制御プログラムを含む各種プログラム等が予め記憶されている。ＲＡＭ４４は、各種データを一時的に記憶する機能を有している。ＨＤＤ（ハードディスク・ドライブ）４６は、各種データを記憶して保持する機能を有している。 CPU 40 has a function of controlling the operation of the entire console 16. In the CPU 40, various programs including a control program used by the CPU 40 are stored in the ROM 42 in advance. The RAM 44 has a function of temporarily storing various data. The HDD (Hard Disk Drive) 46 has a function of storing and holding various data.
　ディスプレイドライバ４８は、ディスプレイ５０への各種情報の表示を制御する機能を有している。本実施の形態のディスプレイ５０は、撮影メニューや撮影された放射線画像等を表示する機能を有していると共に、タッチパネル（操作パネル５４）として構成されている。操作入力検出部５２は、操作パネル５４に対する操作状態を検出する機能を有している。操作パネル５４は、各種の情報や操作指示を、放射線画像を撮影する撮影者である医師や放射線技師等、及び撮影された放射線画像を読影する読影者である医師や放射線技師等が入力するためのものである。本実施の形態の操作パネル５４は、少なくとも、タッチパネルを含んで構成されている。なお、本実施の形態の操作パネル５４は、その他、タッチペン、複数のキー、マウス等を含んで構成されている。 The display driver 48 has a function of controlling display of various information on the display 50. The display 50 according to the present embodiment has a function of displaying an imaging menu, a captured radiographic image, and the like, and is configured as a touch panel (operation panel 54). The operation input detection unit 52 has a function of detecting an operation state with respect to the operation panel 54. The operation panel 54 is used for inputting various kinds of information and operation instructions by a doctor or a radiographer who is a radiographer who takes a radiographic image, and a doctor or radiographer who is an interpreter who interprets the radiographic image taken. belongs to. The operation panel 54 of the present embodiment includes at least a touch panel. In addition, the operation panel 54 of the present embodiment includes a touch pen, a plurality of keys, a mouse, and the like.
　また、Ｉ／Ｏ部５６及びＩ／Ｆ部５８は、無線通信により、放射線画像処理装置１４及び放射線発生装置１２との間で各種情報の送受信を行うと共に、電子カセッテ２０との間で画像データ等の各種情報の送受信を行う機能を有している。 The I / O unit 56 and the I / F unit 58 transmit and receive various types of information to and from the radiographic image processing apparatus 14 and the radiation generating apparatus 12 through wireless communication, and image data to and from the electronic cassette 20. And the like.
　ＣＰＵ４０、ＲＯＭ４２、ＲＡＭ４４、ＨＤＤ４６、ディスプレイドライバ４８、操作入力検出部５２、及びＩ／Ｏ部５６は、システムバスやコントロールバス等のバス５９を介して相互に情報等の授受が可能に接続されている。従って、ＣＰＵ４０は、ＲＯＭ４２、ＲＡＭ４４、及びＨＤＤ４６へのアクセスを行うことができる。また、ＣＰＵ４０は、ディスプレイドライバ４８を介したディスプレイ５０への各種情報の表示の制御、及びＩ／Ｆ部５８を介した放射線発生装置１２及び電子カセッテ２０との各種情報の送受信の制御を各々行うことができる。また、ＣＰＵ４０は、操作入力検出部５２を介して操作パネル５４に対する読影者の操作状態を把握することができる。 The CPU 40, the ROM 42, the RAM 44, the HDD 46, the display driver 48, the operation input detection unit 52, and the I / O unit 56 are connected to each other via a bus 59 such as a system bus or a control bus so as to be able to exchange information. Yes. Therefore, the CPU 40 can access the ROM 42, the RAM 44, and the HDD 46. The CPU 40 also controls display of various types of information on the display 50 via the display driver 48 and controls transmission / reception of various types of information with the radiation generator 12 and the electronic cassette 20 via the I / F unit 58. be able to. Further, the CPU 40 can grasp the operation state of the image interpreter with respect to the operation panel 54 via the operation input detection unit 52.
　本実施の形態の放射線画像処理装置１４は、コンソール１６からの指示に基づいて、放射線発生装置１２及び電子カセッテ２０を制御する機能を有する。また、放射線画像処理装置１４は、撮影された放射線画像の画像データの記憶部１７への記憶、及びコンソール１６のディスプレイ５０や放射線画像読影装置１８への表示を制御する機能（詳細後述）を有する。 The radiation image processing apparatus 14 according to the present embodiment has a function of controlling the radiation generation apparatus 12 and the electronic cassette 20 based on an instruction from the console 16. The radiographic image processing device 14 has a function (details will be described later) for controlling storage of image data of a captured radiographic image in the storage unit 17 and display on the display 50 of the console 16 and the radiographic image interpretation device 18. .
　本実施の形態の放射線画像処理装置１４は、システム制御部６０、放射線制御部６２、パネル制御部６４、画像処理制御部６６、及びＩ／Ｆ部６８を備えている。 The radiation image processing apparatus 14 according to the present embodiment includes a system control unit 60, a radiation control unit 62, a panel control unit 64, an image processing control unit 66, and an I / F unit 68.
　システム制御部６０は、放射線画像処理装置１４全体を制御する機能を有すると共に、放射線画像撮影システム１０を制御する機能を有している。放射線制御部６２は、コンソール１６の指示に基づいて、放射線発生装置１２の放射線照射制御ユニット２２を制御する機能を有している。パネル制御部６４は、電子カセッテ２０からの情報を、無線または有線により受け付ける機能を有しており、画像処理制御部６６は、放射線画像に対して各種画像処理を施す機能を有している。 The system control unit 60 has a function of controlling the entire radiographic image processing apparatus 14 and a function of controlling the radiographic image capturing system 10. The radiation control unit 62 has a function of controlling the radiation irradiation control unit 22 of the radiation generator 12 based on an instruction from the console 16. The panel control unit 64 has a function of receiving information from the electronic cassette 20 wirelessly or by wire, and the image processing control unit 66 has a function of performing various image processes on the radiation image.
　システム制御部６０、放射線制御部６２、パネル制御部６４、及び画像処理制御部６６は、システムバスやコントロールバス等のバス６９を介して相互に情報等の授受が可能に接続されている。 The system control unit 60, the radiation control unit 62, the panel control unit 64, and the image processing control unit 66 are connected to each other through a bus 69 such as a system bus or a control bus so as to be able to exchange information.
　本実施の形態の記憶部１７は、撮影された放射線画像及び当該放射線画像に関係する情報を記憶する機能を有するものであり、例えば、ＨＤＤ等により構成されている。 The storage unit 17 of the present embodiment has a function of storing a captured radiographic image and information related to the radiographic image, and is configured by, for example, an HDD.
　また、本実施の形態の放射線画像読影装置１８は、撮影された放射線画像を医師等の読影者が読影するための機能を有する装置であり、特に限定されないが、いわゆる、読影ビューワ、コンソール、及びタブレット端末等が挙げられる。本実施の形態の放射線画像読影装置１８は、パーソナル・コンピュータとして構成されている。放射線画像読影装置１８は、コンソール１６と同様に、ＣＰＵ、ＲＯＭ、ＲＡＭ、ＨＤＤ、ディスプレイドライバ、ディスプレイ２３、操作入力検出部、操作パネル２４、Ｉ／Ｏ部、及びＩ／Ｆ部を備えて構成されている。なお、図１では、記載が煩雑になるのを避けるため、これらの構成のうち、ディスプレイ２３及び操作パネル２４のみを示し、その他の記載を省略している。 The radiological image interpretation device 18 according to the present embodiment is a device having a function for a radiographer such as a doctor to interpret a captured radiographic image, and is not particularly limited, but a so-called radiological image viewer, console, and A tablet terminal etc. are mentioned. The radiographic image interpretation apparatus 18 of the present embodiment is configured as a personal computer. Similar to the console 16, the radiographic image interpretation apparatus 18 includes a CPU, ROM, RAM, HDD, display driver, display 23, operation input detection unit, operation panel 24, I / O unit, and I / F unit. Has been. In FIG. 1, only the display 23 and the operation panel 24 are shown, and other descriptions are omitted in order to avoid complicated description.
　次に、本実施の形態の放射線画像撮影システム１０（放射線画像処理装置１４）における、放射画像処理機能について説明する。本実施の形態では、放射線画像処理として、コンソール１６及び放射線画像読影装置１８への放射線画像及び当該放射線画像に関係する情報（追記等、詳細後述）の表示の制御と、放射線画像及び当該放射線画像に関係する情報を記憶部１７に記憶させる制御と、を行う。図３には、放射線画像処理機能の一例を説明するための機能ブロック図を示す。なお、当該ブロック図は、放射線画像処理機能を機能別に分類したものであり、ハード構成を限定するものではない。 Next, the radiation image processing function in the radiation image capturing system 10 (radiation image processing apparatus 14) of the present embodiment will be described. In the present embodiment, as radiographic image processing, control of display of radiographic images to the console 16 and the radiographic image interpretation device 18 and information related to the radiographic images (additional writing, details will be described later), radiographic images, and radiographic images And control for storing the information related to the information in the storage unit 17. FIG. 3 is a functional block diagram for explaining an example of the radiation image processing function. The block diagram categorizes the radiographic image processing functions by function and does not limit the hardware configuration.
　本実施の形態の放射線画像撮影システム１０（放射線画像処理装置１４）は、図３に示すように、表示制御部１００、進度表チャート生成部１０２、受付部１０６、追記メモ画像レイヤーファイル生成部１０８、及び記憶制御部１１０を備えている。なお、図３では、ディスプレイ２３（操作パネル２４）及びディスプレイ５０（操作パネル５４）を共通化して記載している。 As shown in FIG. 3, the radiographic image capturing system 10 (radiological image processing apparatus 14) according to the present embodiment includes a display control unit 100, a progress table chart generation unit 102, a reception unit 106, and a postscript memo image layer file generation unit 108. And a storage control unit 110. In FIG. 3, the display 23 (operation panel 24) and the display 50 (operation panel 54) are shown in common.
　表示制御部１００は、ディスプレイ２３及びディスプレイ５０への画像データ等の表示を制御する機能を有している。本実施の形態のディスプレイ２３及びディスプレイ５０の表示領域には、進度表チャート１２０、動画像１２２、及びその他情報１２６が表示される。また、追記メモ画像ファイルが記憶部１７に記憶されている場合は、追記メモ画像１２４も当該追記メモ画像１２４に関連付けられている動画像１２２と共に、ディスプレイ２３及びディスプレイ５０に表示させる。なお、本実施の形態では、１枚（１つのレイヤー）に対して、動画像１２２を構成する複数の静止画像（フレームともいう）のうちの１つ、または所定数が関連付けられている。以下では、関連付けられている画像について、単に、追記メモ画像１２４に関連付けられている動画像１２２と称する。 The display control unit 100 has a function of controlling display of image data and the like on the display 23 and the display 50. In the display area of the display 23 and the display 50 of the present embodiment, a progress chart 120, a moving image 122, and other information 126 are displayed. When the additional memo image file is stored in the storage unit 17, the additional memo image 124 is displayed on the display 23 and the display 50 together with the moving image 122 associated with the additional memo image 124. In the present embodiment, one or a predetermined number of a plurality of still images (also referred to as frames) constituting the moving image 122 is associated with one sheet (one layer). Hereinafter, the associated image is simply referred to as a moving image 122 associated with the additional note image 124.
　動画像１２２を表示させるように指示を受けると表示制御部１００は、記憶部１７から動画像データファイルを読み出してディスプレイ２３・ディスプレイ５０の動画像表示領域に動画像１２２を表示させる。また、表示制御部１００は、表示させる動画像１２２に関係する情報（例えば、撮影メニューに関する情報等）を動画像データファイルのヘッダから読み出してディスプレイ２３・ディスプレイ５０の所定の領域に表示させる。さらに表示制御部１００は、動画像データファイルのヘッダから読み出した情報に基づいて、進度表チャート生成部１０２により進度表チャート１２０を生成して所定の領域に表示させる。進度表チャート生成部１０２は、このように進度表チャート１２０を生成する機能を有している。進度表チャート１２０は、動画像１２２の表示時間（放映時間）を表す進度表と、動画像表示領域に現在表示されている動画像１２２の表示時間全体における現在の位置（以下「進行位置」という）を表す進行位置表示とを含んでいる。なお、本実施の形態では、複数の静止画像とみなせる放射線画像を連続して表示させることにより動画像として表示させている。そのため、本実施の形態で「進行位置」とは、現在表示されている放射線画像が、複数の放射線画像のうちのいずれであるかを示すものである。 When receiving an instruction to display the moving image 122, the display control unit 100 reads out the moving image data file from the storage unit 17 and displays the moving image 122 in the moving image display area of the display 23 and the display 50. Further, the display control unit 100 reads information related to the moving image 122 to be displayed (for example, information related to the shooting menu) from the header of the moving image data file and displays the information on a predetermined area of the display 23 or the display 50. Further, the display control unit 100 generates the progress table chart 120 by the progress table chart generation unit 102 based on the information read from the header of the moving image data file and displays it in a predetermined area. The progress chart generation unit 102 has a function of generating the progress chart 120 in this way. The progress table chart 120 includes a progress table representing the display time (broadcasting time) of the moving image 122 and the current position (hereinafter referred to as “advance position”) of the entire display time of the moving image 122 currently displayed in the moving image display area. ) Representing a progress position. In the present embodiment, radiation images that can be regarded as a plurality of still images are continuously displayed as moving images. Therefore, the “advance position” in the present embodiment indicates which of the plurality of radiographic images is the currently displayed radiographic image.
　また、動画像領域に表示される動画像１２２に追記メモ画像１２４が関連付けられている場合は、進度表チャート１２０は、当該追記メモ画像１２４が関連付けられている動画像１２２の位置を表すメモ位置表示も含む。 Further, when the additional note memo image 124 is associated with the moving image 122 displayed in the moving image area, the progress chart 120 displays the memo position indicating the position of the moving image 122 with which the additional memo image 124 is associated. Includes display.
　一方、記憶制御部１１０は、ディスプレイ２３・ディスプレイ５０に表示させた動画像１２２に読影者が追記したメモ画像（追記メモ画像）１２４を当該動画像１２２に関連付けて記憶部１７に記憶するよう制御する機能を有している。具体的には、記憶制御部１１０は、連続して複数の放射線画像を表示させることにより動画像１２２を表示している際に、複数の放射線画像のうち、特定の放射線画像に対して読影者が追記した追記メモ画像１２４を、当該放射線画像に関連付けて記憶部１７に記憶するよう制御する。 On the other hand, the storage control unit 110 performs control so that a memo image (additional memo image) 124 added by the radiogram interpreter to the moving image 122 displayed on the display 23 / display 50 is stored in the storage unit 17 in association with the moving image 122. It has a function to do. Specifically, when the storage control unit 110 displays the moving image 122 by displaying a plurality of radiation images in succession, an interpreter interprets a specific radiation image among the plurality of radiation images. The additional memo image 124 added by is controlled to be stored in the storage unit 17 in association with the radiation image.
　受付部１０６は、操作パネル２４及び操作パネル５４により読影者が追記した追記メモ画像１２４を受け付ける機能を有している。追記メモ画像レイヤーファイル生成部１０８は、受付部１０６で受け付けた追記メモ画像１２４をレイヤーとして、すなわち一枚の画像として、追記メモ画像ファイルを生成する機能を有している。記憶制御部１１０は、動画像１２２に関連付けて追記メモ画像ファイルを記憶部１７に記憶させる場合は、当該動画像１２２を含む動画像データファイルのヘッダに追記メモ画像１２４に関する情報を追加すると共に、動画像データファイルとは別のファイルとして、追記メモ画像ファイルを記憶させる。追記メモ画像１２４に関する情報とは、例えば、追記メモ画像１２４が関連付けられている動画像１２２の進行位置やメモを追記した読影者に関する情報等である。 The accepting unit 106 has a function of accepting the additional note memo image 124 added by the radiogram interpreter through the operation panel 24 and the operation panel 54. The additional memo image layer file generation unit 108 has a function of generating an additional memo image file using the additional memo image 124 received by the reception unit 106 as a layer, that is, as one image. When storing the additional memo image file in the storage unit 17 in association with the moving image 122, the storage control unit 110 adds information about the additional memo image 124 to the header of the moving image data file including the moving image 122. The additional memo image file is stored as a file different from the moving image data file. The information related to the additional note image 124 is, for example, information related to the progress position of the moving image 122 with which the additional note image 124 is associated, the information about the image reader who added the note, and the like.
　次に、本実施の形態の放射線画像撮影システム１０（放射線画像処理装置１４）における、放射線画像処理について詳細に説明する。本実施の形態の放射線画像処理の一例のフローチャートを図４に示す。なお、以下では、具体的一例として、撮影された動画像をコンソール１６を用いて最初に読影する第一読影者が表示された動画像に対してメモを追記（追記メモ）し、第二読影者が当該動画像を放射線画像読影装置１８を用いて読影する際に、第一読影者が追記した追記メモも動画像に対応付けて表示させる場合について詳細に説明する。なお、当該放射線画像処理は、放射線画像処理装置１４のシステム制御部６０または、コンソール１６のＣＰＵ４０により放射線画像処理のプログラムが実行されることにより行われる。本実施の形態では、当該プログラムは、システム制御部６０内の記憶部（図示省略）やＲＯＭ４２等に予め記憶させておくが、外部システム（ＲＩＳ）やＣＤ－ＲＯＭ、及びＵＳＢ等からダウンロードするように構成してもよい。 Next, radiation image processing in the radiation image capturing system 10 (radiation image processing apparatus 14) of the present embodiment will be described in detail. FIG. 4 shows a flowchart of an example of the radiation image processing of the present embodiment. In the following, as a specific example, a memo is added (additional memo) to the moving image on which the first interpreter who first interprets the captured moving image using the console 16 is displayed, and the second interpretation is performed. When a person interprets the moving image using the radiographic image interpretation device 18, a case where an additional memo added by the first interpreter is displayed in association with the moving image will be described in detail. The radiographic image processing is performed by executing a radiographic image processing program by the system control unit 60 of the radiographic image processing apparatus 14 or the CPU 40 of the console 16. In the present embodiment, the program is stored in advance in a storage unit (not shown) in the system control unit 60, the ROM 42, or the like, but may be downloaded from an external system (RIS), CD-ROM, USB, or the like. You may comprise.
　図４に示した放射線画像処理は、第一読影者または第二読影者から動画像の読影（表示）が指示された場合に、実行される。 The radiographic image processing shown in FIG. 4 is executed when the first image interpreter or the second image interpreter gives an instruction to interpret (display) a moving image.
　ステップＳ１００では、記憶部１７から読影（表示）を指示された動画像の動画像データファイルを取得する。次のステップＳ１０２では、当該動画像データファイルを展開する。展開された動画像データファイルの一例を図５に示す。本実施の形態の動画像データファイルは、ファイル情報部（図５、Ｆｉｌｅ　Ｉｎｆｏ参照）と、ヘッダ（図５、Ｈｅａｄｅｒ　Ｉｎｆｏ参照）と、動画像データ部（図５、Ｉｍａｇｅ　Ｄａｔａ参照）と、を含んでいる。ファイル情報部には、動画像データファイルに関する基本的情報が格納されている。ヘッダには、動画像放映（表示）時間等、動画像データに関する情報が格納されている。動画像データ部には、動画像データそのものが格納されている。 In step S100, a moving image data file of a moving image instructed to be read (displayed) from the storage unit 17 is acquired. In the next step S102, the moving image data file is expanded. An example of the developed moving image data file is shown in FIG. The moving image data file according to the present embodiment includes a file information section (see FIG. 5, File Info), a header (see FIG. 5, Header Info), and a moving image data section (see FIG. 5, Image Data). Contains. The file information section stores basic information about moving image data files. The header stores information related to moving image data such as moving image broadcast (display) time. The moving image data itself is stored in the moving image data section.
　次のステップＳ１０４では、動画像のヘッダに、追加メモ用情報が有るか否か判断する。本実施の形態では、第一読影者が読影する場合には、追加メモ用情報が無いので否定されて、ステップＳ１０６へ進む。以下、ステップＳ１０６からステップＳ１１８は、第一読影者が読影する場合のフローを示している。 In the next step S104, it is determined whether or not there is additional memo information in the moving image header. In the present embodiment, when the first radiographer interprets, it is denied because there is no additional memo information, and the process proceeds to step S106. Hereinafter, steps S106 to S118 show a flow when the first radiographer interprets.
　ステップＳ１０６では、展開した動画像データファイルのヘッダに格納された動画像データに関する情報に基づいて、その他情報１２６をディスプレイ５０に表示させる（図６参照）。本実施の形態では、その他情報１２６とは、当該動画像を撮影した際の撮影メニューに関する情報（図６、ＭＥＮＵ　Ｉｎｆｏ参照）、当該動画像を撮影した際の放射線の照射に関する情報（図６、Ｘ－Ｒａｙ　Ｉｎｆｏ参照）、及び読影者等に関する情報（例えば、読影者のＩＤ等、図６、Ｕｓｅｒ　Ｉｎｆｏｒｍａｔｉｏｎ参照）等を含むが特に限定されず、その他の当該動画像の撮影・表示等に関する情報であってもよい。 In step S106, other information 126 is displayed on the display 50 based on the information about the moving image data stored in the header of the expanded moving image data file (see FIG. 6). In the present embodiment, the other information 126 includes information on a shooting menu when shooting the moving image (see FIG. 6, MENU Info), and information on radiation irradiation when shooting the moving image (FIG. 6, X-Ray Info) and information on the interpreter (for example, the ID of the interpreter, see FIG. 6, User Information), etc. It may be.
　次のステップＳ１０８では、進度表チャート作成・表示処理を行う。本実施の形態の進度表チャート１２０の作成、及びディスプレイ５０への表示処理の一例のフローチャートを図７に示す。図７に示したステップＳ２００では、展開した動画像データファイルからヘッダを取得する。次のステップＳ２０２では、取得したヘッダから動画像の放映時間（表示時間）を読み出す。次のステップＳ２０４では、読み出した動画像放映時間に基づいて、進度表チャート１２０を作成し、進度表１３０を図６に示すように、ディスプレイ５０の所定の領域（進度表１３０を表示させるために予め定められたディスプレイ５０の表示領域内の所定の領域）に表示させる。次のステップＳ２１０では、進度表チャート１２０の進度表１３０に対して、動画像領域に表示させている動画像の進行位置を示すための進行位置表示１３２を図６に示すようにディスプレイ５０に表示させる。進行位置表示１３２を表示させた後、進度表チャート作成・表示処理を終了する。なお、本実施の形態では、表示させている動画像の表示に応じて、進度表１３０に対して、進行位置表示１３２を移動させるように制御している。 In the next step S108, progress table chart creation / display processing is performed. FIG. 7 shows a flowchart of an example of the creation of the progress table chart 120 and the display process on the display 50 according to the present embodiment. In step S200 shown in FIG. 7, a header is acquired from the expanded moving image data file. In the next step S202, the broadcast time (display time) of the moving image is read from the acquired header. In the next step S204, a progress table chart 120 is created based on the read moving image broadcast time, and the progress table 130 is displayed on a predetermined area of the display 50 (to display the progress table 130 as shown in FIG. 6). Display in a predetermined area within a predetermined display area of the display 50). In the next step S210, a progress position display 132 for indicating the progress position of the moving image displayed in the moving image area is displayed on the display 50 as shown in FIG. Let After the progress position display 132 is displayed, the progress chart creation / display processing ends. In the present embodiment, control is performed so that the progress position display 132 is moved with respect to the progress table 130 in accordance with the display of the displayed moving image.
　このようにして進度表チャート作成・表示処理が終了した次のステップＳ１１０では、動画像表示処理を行う。本実施の形態の動画像１２２のディスプレイ５０への表示処理の一例のフローチャートを図８に示す。図８に示したステップＳ４００では、動画像データに基づいて動画像１２２をディスプレイ５０の動画像表示領域に表示させるよう制御した後、動画像表示処理を終了する。当該処理により、ディスプレイ５０の動画像表示領域には、動画像１２２が表示される。動画像１２２が表示されている間の次のステップＳ１１２では、追記メモの追記が有ったか否かを判断する。第一読影者による追記が行われない場合は、否定されてステップＳ１１８へ進む。 In the next step S110 after the progress chart creation / display processing is completed in this way, moving image display processing is performed. FIG. 8 shows a flowchart of an example of processing for displaying the moving image 122 on the display 50 according to the present embodiment. In step S400 shown in FIG. 8, after controlling to display the moving image 122 in the moving image display area of the display 50 based on the moving image data, the moving image display process is terminated. With this process, the moving image 122 is displayed in the moving image display area of the display 50. In the next step S112 while the moving image 122 is displayed, it is determined whether or not an additional note has been added. If additional writing by the first radiogram interpreter is not performed, the determination is negative and the process proceeds to step S118.
　一方、メモが追記された場合は、肯定されてステップＳ１１４へ進む。メモが追記された状態を図９に示す。図９では、具体的一例として動画像中の関心領域を示すためのメモとして追記メモ画像１２４が追記された状態を示している。本実施の形態では、第一読影者は、表示されている動画像１２２の読影中に表示されている動画像に対してメモ等の追記を行うことができる。メモを追記する場合、第一読影者は、表示されている動画像１２２の進行を一旦停止させて、静止された動画像１２２に対してメモ等の追記を行うことができると共に、表示が進行する動画像１２２に対してメモ等の追記を行うこともできる。なお、いずれを行うかは指示部（図示省略）等により、第一読影者が指示するようにすればよい。また、本実施の形態では、第一読影者が操作パネル５４であるディスプレイ５０上に直接タッチペン等で追記する。なお、追記の方法は、これに限らず、キーボード等を用いてもよいが、直接、表示されている動画像１２２に対して第一読影者が追記できることが好ましい。そのため、本実施の形態のようにディスプレイ５０上に追記メモ画像１２４を追記することが好ましい。また、メモを追記可能な領域は、動画像１２２が表示されている動画像表示領域を含むことが好ましく、当該動画像表示領域を含む予め定められた領域であってもよいし、ディスプレイ５０の表示領域全体としてもよい。また、本実施の形態では、第一読影者によるメモの追記の終了は、指示部（図示省略）等により、第一読影者が指示するようにしている。 On the other hand, if a memo is added, the determination is affirmed and the process proceeds to step S114. FIG. 9 shows a state where a memo is added. FIG. 9 shows a state where an additional note image 124 is added as a note for indicating a region of interest in a moving image as a specific example. In the present embodiment, the first radiogram interpreter can add a note or the like to the moving image displayed during the interpretation of the displayed moving image 122. When adding a memo, the first interpreter can temporarily stop the progress of the displayed moving image 122 and add a memo or the like to the stationary moving image 122, and the display progresses. An additional note such as a memo can also be added to the moving image 122. Note that the first interpreter may instruct which one to perform by an instruction unit (not shown) or the like. In the present embodiment, the first radiographer adds information directly on the display 50 that is the operation panel 54 with a touch pen or the like. Note that the additional recording method is not limited to this, and a keyboard or the like may be used, but it is preferable that the first interpreter can directly add to the displayed moving image 122. Therefore, it is preferable to additionally write the additional note image 124 on the display 50 as in the present embodiment. In addition, the area where the memo can be added preferably includes a moving image display area in which the moving image 122 is displayed, may be a predetermined area including the moving image display area, The entire display area may be used. In the present embodiment, the first interpreter instructs the end of the memo addition by the first interpreter using an instruction unit (not shown) or the like.
　このようにしてメモが追記されると、ステップＳ１１４では、追記メモのファイル（追記メモ画像ファイル）を、表示させている動画像１２２の動画像データファイルとは別のファイルとして、レイヤーとして作成し、記憶部１７に記憶させる。 When the memo is added in this way, in step S114, the file of the additional memo (added memo image file) is created as a layer as a file different from the moving image data file of the moving image 122 being displayed. And stored in the storage unit 17.
　さらに次のステップＳ１１６では、動画像データファイルのヘッダに追記メモ用の情報を追加する。本実施の形態では、追記メモ用の情報とは、例えば、追記メモ用の画像に対応付けられた放射線画像が、動画像１２２を構成する複数の放射線画像のうちのいずれであるかを示す情報（進行位置）やメモを追記した読影者に関する情報（ＩＤ等）等を示す情報である。展開された動画像データファイルに追記メモ用の情報が追加された状態を図１０Ａに示す。また、追記メモ画像ファイルを図１０Ｂに示す。なお、本実施の形態では、追記メモ画像ファイルのヘッダ（図１０Ｂ、Ｈｅａｄｅｒ　Ｉｎｆｏ参照）にも、追記した読影者に関する情報（ＩＤ等）等を格納する。 In the next step S116, additional memo information is added to the header of the moving image data file. In the present embodiment, the additional memo information is, for example, information indicating which radiographic image associated with the additional memo image is a plurality of radiographic images constituting the moving image 122. This is information indicating (progress position), information (ID or the like) related to the radiographer who added the note. FIG. 10A shows a state in which the information for the additional memo is added to the developed moving image data file. Further, the additional memo image file is shown in FIG. 10B. In the present embodiment, information (ID and the like) related to the added radiographer is also stored in the header of the postscript memo image file (see FIG. 10B, Header Info).
　次のステップＳ１１８では、本処理を終了するか否か判断する。例えば、動画像１２２の放映（表示）中であり、未だ最後まで放映しきっていない場合等は、否定されてステップＳ１１０に戻る。さらに、動画像１２２の表示及び、第一読影者によりメモが追記された場合は、追記メモ画像をレイヤーとして追記メモ画像ファイルに記憶する処理を繰り返す。 In the next step S118, it is determined whether or not to end this process. For example, if the moving image 122 is being broadcast (displayed) and has not been broadcast to the end yet, the result is negative and the process returns to step S110. Further, when the moving image 122 is displayed and a memo is additionally written by the first interpreter, the process of storing the additional memo image as a layer in the additional memo image file is repeated.
一方、動画像１２２を最後まで表示（放映）した場合、及び図示を省略した指示部等により、第一読影者が終了を指示した場合等は、肯定されて本処理を終了する。 On the other hand, when the moving image 122 is displayed (broadcast) to the end, or when the first radiographer instructs the end by an instruction unit (not shown) or the like, the determination is affirmed and the process ends.
これらステップＳ１０６～ステップＳ１１８の処理により、第一読影者による動画像の読影結果、例えば、診断内容、所見、及び確認事項等を示す追記メモが、動画像に対応付けられてレイヤーとして動画像データファイルとは別のファイルに記憶された状態になる。 Through the processing of step S106 to step S118, the result of interpretation of the moving image by the first interpreter, for example, an additional note indicating the diagnosis contents, findings, confirmation items, etc. is associated with the moving image as moving image data. The file is stored in a different file.
　このようにして第一読影者による読影が終了すると、動画像のヘッダに追記メモ用情報が含まれた状態（図１０Ａ参照）になるため、本実施の形態の放射線画像処理のステップＳ１０４では、肯定されてステップＳ１２６へ進む。以下、ステップＳ１２６からステップＳ１３８は、第二読影者が読影する場合のフローを示している。なお、ステップＳ１２６～ステップＳ１３８は、上述のステップＳ１０６～ステップＳ１１８の処理にそれぞれ対応しているため、略同様の処理についてはその旨を記し、詳細な説明は省略する。 When the interpretation by the first interpreter is completed in this way, the additional memo information is included in the moving image header (see FIG. 10A). Therefore, in step S104 of the radiation image processing of the present embodiment, Affirmation is made and the process proceeds to step S126. Hereinafter, steps S126 to S138 show a flow when the second radiogram interpreter interprets. Note that steps S126 to S138 correspond to the processes of steps S106 to S118 described above, respectively, so that substantially similar processes are described as such, and detailed descriptions thereof are omitted.
　ステップＳ１２６では、展開した動画像データファイルのヘッダに格納された動画像データに関する情報に基づいて、その他情報１２６を放射線画像読影装置１８のディスプレイ２３に表示させる（図１１参照）。 In step S126, other information 126 is displayed on the display 23 of the radiation image interpretation apparatus 18 based on the information about the moving image data stored in the header of the developed moving image data file (see FIG. 11).
　次のステップＳ１２８では、進度表チャート作成・表示処理を行う。本実施の形態の進度表チャート１２０の作成、及びディスプレイ２３への表示処理の一例のフローチャートを図１２に示す。図１２に示したステップＳ３００では、展開した動画像データファイルからヘッダを取得する。次のステップＳ３０２では、取得したヘッダから動画像の放映時間（表示時間）を読み出す。次のステップＳ３０４では、読み出した動画像放映時間に基づいて、進度表チャート１２０を作成し、進度表１３０を図１１に示すように、ディスプレイ２３の所定の領域に表示させる。 In the next step S128, progress chart creation / display processing is performed. FIG. 12 shows a flowchart of an example of creation of the progress table chart 120 and display processing on the display 23 according to the present embodiment. In step S300 shown in FIG. 12, a header is acquired from the expanded moving image data file. In the next step S302, the moving image broadcast time (display time) is read from the acquired header. In the next step S304, the progress table chart 120 is created based on the read moving image broadcast time, and the progress table 130 is displayed in a predetermined area of the display 23 as shown in FIG.
　次のステップＳ３０６では、動画像データファイルのヘッダから、追記メモ用情報を取得する。次のステップＳ３０８では、取得した追記メモ用情報に基づいて、進度表チャート１２０の進度表１３０に対して、追記メモ画像の位置（当該追記メモ画像が関連付けられている動画像の進行位置）を示すメモ位置表示１３４をディスプレイ２３に表示させる。 In the next step S306, additional memo information is acquired from the header of the moving image data file. In the next step S308, based on the acquired additional memo information, the position of the additional memo image (the progress position of the moving image associated with the additional memo image) is determined with respect to the progress table 130 of the progress chart 120. A memo position display 134 is displayed on the display 23.
　次のステップＳ２１０では、進度表チャート１２０の進度表１３０に対して、動画像領域に表示させている動画像の進行位置を示すための進行位置表示１３２をディスプレイ２３に表示させた後、進度表チャート作成・表示処理を終了する。なお、本実施の形態では、表示させている動画像の表示に応じて、進度表１３０に対して、進行位置表示１３２を移動させていく。 In the next step S210, a progress position display 132 for indicating the progress position of the moving image displayed in the moving image area is displayed on the display 23 with respect to the progress table 130 of the progress table chart 120, and then the progress table is displayed. The chart creation / display process ends. In the present embodiment, the advancing position display 132 is moved with respect to the progress table 130 in accordance with the display of the moving image being displayed.
　このようにして進度表チャート作成・表示処理が終了した次のステップＳ１３０では、動画像表示処理を行う。本実施の形態の動画像１２２のディスプレイ２３への表示処理の一例のフローチャートを図１３に示す。図１３に示したステップＳ５００では、第二読影者から追記メモ画像の表示指示が有ったか否か判断する。本実施の形態では、動画像データに追記メモ画像１２４が対応付けられている場合、通常の動画像１２２の表示とは別途、読影者の指示により、追記メモ画像１２４を当該追記メモ画像１２４が関連付けられている動画像１２２と共に表示させるようにしている。本実施の形態では、図１１に示すように、追記メモ画像１２４と当該追記メモ画像１２４が関連づけられている動画像１２２とを重ねて表示させるようにしている。この場合、追記メモ画像１２４及び動画像１２２は、動画像表示領域に表示させてもよいし、動画像表示領域とは別の領域（動画像表示領域を含んでもよい）に表示させてもよい。例えば、第二読影者が第一読影者の診断結果のみを読影したい場合は、通常の動画像１２２の表示とは別途、追記メモ画像１２４の表示指示を行う。これにより、追記メモ画像１２４が関連付けられていない動画像１２２を表示させることなく第一読影者が追記した追記メモ画像１２４及び当該追記メモ画像１２４が関連付けられている動画像１２２のみを第二読影者に提供することができる。なお、追記メモ画像の表示指示は、第二読影者が進度表チャート１２０のメモ位置表示１３４を指示するようにしてもよいし、その方法は特に限定されない。 In the next step S130 after the progress chart creation / display processing is completed in this way, moving image display processing is performed. FIG. 13 shows a flowchart of an example of display processing of the moving image 122 on the display 23 according to the present embodiment. In step S500 shown in FIG. 13, it is determined whether or not there is an instruction to display the additional memo image from the second radiogram interpreter. In the present embodiment, when the additional memo image 124 is associated with the moving image data, the additional memo image 124 is stored in the additional memo image 124 according to an instruction from the image interpreter separately from the display of the normal moving image 122. It is displayed together with the associated moving image 122. In the present embodiment, as shown in FIG. 11, the additional note image 124 and the moving image 122 associated with the additional note image 124 are displayed in an overlapping manner. In this case, the additional memo image 124 and the moving image 122 may be displayed in a moving image display area, or may be displayed in a different area (including a moving image display area) from the moving image display area. . For example, when the second interpreter wants to interpret only the diagnosis result of the first interpreter, the display instruction of the additional note image 124 is performed separately from the display of the normal moving image 122. Thus, only the additional image memo image 124 added by the first interpreter without displaying the moving image 122 not associated with the additional image memo image 124 and the moving image 122 associated with the additional image memo image 124 are displayed as the second image interpretation. Can be provided. Note that the additional memo image display instruction may be such that the second interpreter instructs the memo position display 134 of the progress chart 120, and the method is not particularly limited.
　追記メモ画像の表示指示が有った場合は、肯定されてステップＳ５０２へ進む。ステップＳ５０２では、指示された追記メモ画像１２４が関連付けられた動画像１２２を読み出してディスプレイ２３に表示させる。さらに次のステップＳ５０４では追記メモ画像１２４をディスプレイ２３に表示させるように制御した後、動画像表示処理を終了する。 If there is an instruction to display the additional memo image, the determination is affirmed and the process proceeds to step S502. In step S502, the moving image 122 associated with the instructed additional note image 124 is read and displayed on the display 23. In the next step S504, control is performed to display the additional memo image 124 on the display 23, and then the moving image display process is terminated.
　一方、追記メモ画像の表示指示が無い場合は、否定されてステップＳ５０６へ進む。ステップＳ５０６では、動画像データに基づいて動画像１２２をディスプレイ２３の動画像表示領域に表示させる。さらに次のステップＳ５０８では、追記メモ画像１２４が関連付けられている動画像１２２を動画像表示領域に表示させた際に、追記メモ画像１２４もディスプレイ２３に表示させるよう制御した後、動画表示処理を終了する。 On the other hand, if there is no instruction to display the additional memo image, the determination is negative and the process proceeds to step S506. In step S506, the moving image 122 is displayed in the moving image display area of the display 23 based on the moving image data. In the next step S508, when the moving image 122 associated with the additional note image 124 is displayed in the moving image display area, the additional note image 124 is also controlled to be displayed on the display 23, and then the moving image display process is performed. finish.
　本実施の形態においては、第二読影者においても第一読影者と同様に、診断結果等のメモを追記可能としている。そのため、次のステップＳ１３２～ステップＳ１３６では、上述のステップＳ１１２～ステップＳ１１６と同様にして、追記メモの有無を判断する。追記が有った場合には、追記メモ画像１２４をレイヤーとして追記メモ画像ファイルを作成し、記憶部１７に記憶させるよう制御すると共に、動画像データファイルのヘッダに追記メモ用情報を格納する処理を施す。 In the present embodiment, a memo such as a diagnosis result can be additionally recorded in the second interpreter as in the first interpreter. Therefore, in the next steps S132 to S136, the presence / absence of an additional note is determined in the same manner as in steps S112 to S116 described above. When there is an additional recording, a process is performed to create an additional memo image file by using the additional memo image 124 as a layer and store it in the storage unit 17 and to store additional memo information in the header of the moving image data file Apply.
　さらに、ステップＳ１３８では、上述のステップＳ１１８と同様に、終了するか否か判断し、終了しない場合は、否定されてステップＳ１３０に戻って本処理を繰り返す。一方終了する場合は、肯定されて本処理を終了する。 Further, in step S138, as in step S118 described above, it is determined whether or not to end. If not, the determination is negative and the process returns to step S130 to repeat this process. On the other hand, if the process is to be terminated, the determination is affirmed and this process is terminated.
　以上、説明したように本実施の形態の放射線画像処理装置１４を備えた放射線画像撮影システム１０では、動画像の撮影により電子カセッテ２０から得られた複数の放射線画像を連続してコンソール１６のディスプレイ５０または放射線画像読影装置１８のディスプレイ２３に表示させるよう表示制御部１００が制御することにより動画像１２２の表示を行う。動画像１２２の表示中に第一読影者は、タッチパネル（操作パネル５４）として構成されるディスプレイ（ディスプレイ５０）上の動画像１２２が表示されている領域上に、診断結果、所見、及び確認事項等のメモを追記する。具体的には、動画像１２２として連続表示されていた複数の放射線画像のうち特定の放射線画像上に、第一読影者がメモを追記する。追記されたメモの追記メモ画像１２４を、受付部１０６で受け付けると、追記メモ画像レイヤーファイル生成部１０８が、追記メモ画像１２４を１つの画像（レイヤー）として、追記メモ画像ファイルを作成する。記憶制御部１１０が、追記メモ画像１２４を動画像１２２の動画像データファイルとは別に記憶部１７に記憶させるよう制御する。第二読影者が当該動画像１２２を読影する場合、表示制御部１００は、動画像１２２の表示中において、追記メモ画像１２４が関連付けられた放射線画像を表示させる際に、追記メモ画像１２４も共に表示させる。 As described above, in the radiographic image capturing system 10 including the radiographic image processing apparatus 14 according to the present embodiment, a plurality of radiographic images obtained from the electronic cassette 20 by capturing moving images are continuously displayed on the display of the console 16. 50 or the display image of the radiographic image interpretation device 18 is displayed by the display control unit 100 so that the moving image 122 is displayed. During the display of the moving image 122, the first interpreter reads the diagnosis results, findings, and confirmation items on the area where the moving image 122 is displayed on the display (display 50) configured as the touch panel (operation panel 54). Add notes such as. Specifically, the first radiographer adds a memo on a specific radiographic image among a plurality of radiographic images continuously displayed as the moving image 122. When the additional memo image 124 of the added memo is received by the receiving unit 106, the additional memo image layer file generation unit 108 creates the additional memo image file by using the additional memo image 124 as one image (layer). The storage control unit 110 performs control so that the additional memo image 124 is stored in the storage unit 17 separately from the moving image data file of the moving image 122. When the second image interpreter interprets the moving image 122, the display control unit 100 displays the radiographic image associated with the additional note image 124 while the moving image 122 is displayed. Display.
　このように本実施の形態では、動画像１２２により診断等を行う読影者が直接入力（記入）したメモを、追記メモ画像１２４として、メモされた放射線画像に対応付けてレイヤーとして追記メモ画像ファイルを作成し、記憶させておく。そのため、本実施の形態では、当該読影者の後に読影を行う読影者が動画像１２２を読影する際に、先の読影者が入力した状態を損なうことなく先の読影者のメモを受け取ることができる。また、本実施の形態では、先の読影者の読影時の意思を保存（記憶）することができるため、人間が直感的に判断・診断し、入力した情報を後の読影者に対して正確に伝達することができる。 As described above, in the present embodiment, a memo directly input (filled) by a radiogram interpreter who performs diagnosis or the like using the moving image 122 is added as a memo image 124 as an additional memo image file as a layer in association with the recorded radiographic image. Create and remember. Therefore, in this embodiment, when a radiographer who interprets after the radiogram interpreter interprets the moving image 122, the memo of the previous radiographer can be received without impairing the state input by the radiographer. it can. In addition, in this embodiment, the intention of the previous interpreter at the time of interpretation can be saved (stored), so that human beings can intuitively judge and diagnose, and the input information is accurate for the subsequent interpreter. Can be communicated to.
　従って、本実施の形態では、放射線画像を動画像として読影する先の読影者から後の読影者に対して、先の読影者による診断結果や、所見、及び確認事項等の情報の伝達を正確に行うことができる。本実施の形態では、先の読影者と後の読影者とが異なる場合だけではなく、同一の読影者であっても、先に読影した際の情報の伝達が正確に行われるため、適切な診断が行えると共に、診断効率の向上等をはかることができる。 Therefore, in the present embodiment, information such as diagnosis results, findings, and confirmation items by the previous interpreter is accurately transmitted from the previous interpreter who interprets the radiographic image as a moving image to the subsequent interpreter. Can be done. In this embodiment, not only when the previous interpreter is different from the later interpreter, but even the same interpreter can accurately transmit the information when the first interpretation is performed. Diagnosis can be performed, and improvement in diagnosis efficiency can be achieved.
　なお、本実施の形態では、追記メモ画像１２４を静止画像として扱っている場合について説明したが、追記メモ画像ファイルを動画像ファイルとしてもよい。例えば、進行する動画像１２２に対してメモが追記された場合（追記メモ画像１２４に関連付けられた画像が複数有る場合）や、動画像１２２の変化を追うように（例えば、移動や鼓動する関心領域やステントの移動等を追うように）メモが追記された場合等は、動画像ファイルとしてもよい。また、これらに限らず、追記メモ画像１２４が追記された軌跡通りに動画像ファイルとしてもよい。このように追記メモ画像１２４を動画像ファイルとする場合においても、動画像１２２を構成する複数の放射線画像のうちの１つの放射線画像に対しては、１つのレイヤーとして追記メモ画像１２４が関連付けられる。 In the present embodiment, the case where the additional memo image 124 is handled as a still image has been described, but the additional memo image file may be a moving image file. For example, when a note is added to the moving image 122 that progresses (when there are a plurality of images associated with the additionally recorded note image 124), or to follow changes in the moving image 122 (for example, interest to move or beat) When a memo is added (following the movement of the region, stent, etc.), it may be a moving image file. Further, the present invention is not limited to these, and a moving image file may be used according to the locus in which the additional note image 124 is additionally recorded. As described above, even when the additional memo image 124 is used as a moving image file, the additional memo image 124 is associated as one layer with one of the plurality of radiographic images constituting the moving image 122. .
　また、本実施の形態では、追記メモ画像１２４を表示させる場合は、追記メモ画像１２４が関連付けられている動画像１２２と共に表示させているがこれに限らない。例えば、関連付けられている動画像１２２を含む当該動画像１２２の前後の動画像１２２（動画像１２２を構成する静止画像）を表示させるようにしてもよい。 Further, in the present embodiment, when the additional memo image 124 is displayed, the additional memo image 124 is displayed together with the associated moving image 122, but the present invention is not limited to this. For example, you may make it display the moving image 122 (still image which comprises the moving image 122) before and behind the said moving image 122 containing the associated moving image 122. FIG.
　また、追記メモ画像１２４を表示させる場合は、読影者が追記した追記メモ画像１２４通りに表示させてもよいし、追記メモ画像１２４に注目させるように、色を異ならせる等の強調表示を行うようにしてもよい。また、追記メモ画像１２４を表示させる場合は、追記メモ画像１２４が関連付けられている動画像１２２の前後の動画像１２２を点滅させる等して、追記メモ画像１２４に注目させるようにしてもよい。 Further, when the additional note image 124 is displayed, it may be displayed in the same manner as the additional note image 124 added by the radiographer, or highlighting such as different colors is performed so as to pay attention to the additional note image 124. You may do it. When the additional note image 124 is displayed, the additional note image 124 may be noted by blinking the moving image 122 before and after the moving image 122 associated with the additional note image 124.
　また、本実施の形態では、追記メモ画像１２４を動画像データファイルとは別のファイルとした追記メモ画像ファイルを作成して記憶部１７に記憶させているがこれに限らず、動画像１２２と関連付けて記憶させられればよく、特に限定されない。例えば、追記メモ画像１２４を動画像データファイルのヘッダやオプション領域等に記憶させるようにしてもよい。例えば、動画像データファイルの容量が大きくなるのを抑制するため、別のファイルとして追記メモ画像ファイルを作成するようにしてもよいし、動画像１２２と関連付けて扱いやすいようにするため、動画像データファイル内に記憶させるようにしてもよい。 In the present embodiment, an additional memo image file in which the additional memo image 124 is a file different from the moving image data file is created and stored in the storage unit 17. There is no particular limitation as long as they are stored in association with each other. For example, the postscript memo image 124 may be stored in the header or option area of the moving image data file. For example, in order to suppress an increase in the capacity of the moving image data file, an additional memo image file may be created as a separate file, or a moving image may be associated with the moving image 122 for easy handling. You may make it memorize | store in a data file.
　また本実施の形態では、第一読影者及び第二読影者が記憶部１７に記憶されている動画像データファイルを読影する場合について説明したがこれに限らない。ず、例えば、第一読影者が、放射線画像が撮影されているリアルタイムで電子カセッテ２０から出力された動画像を読影するようにしてもよい。 In the present embodiment, the case where the first image reader and the second image reader interpret the moving image data file stored in the storage unit 17 is described, but the present invention is not limited to this. Instead, for example, the first radiographer may interpret the moving image output from the electronic cassette 20 in real time where the radiation image is captured.
　その他、上記本実施の形態で説明した放射線画像撮影システム１０、放射線画像処理装置１４、コンソール１６、及び放射線検出器２６等の構成、及び放射線画像処理等は一例である。これらは、本発明の主旨を逸脱しない範囲内において状況に応じて変更可能であることは言うまでもない。 In addition, the configuration of the radiographic imaging system 10, the radiographic image processing apparatus 14, the console 16, the radiation detector 26, and the like described in the present embodiment, and radiographic image processing are examples. Needless to say, these can be changed according to the situation within the scope of the present invention.
　また、上記本実施の形態で説明した放射線は、特に限定されるものではなく、Ｘ線やγ線等を適用することができる。 Further, the radiation described in the present embodiment is not particularly limited, and X-rays, γ-rays, and the like can be applied.
　日本出願２０１１－２１３２３９の開示は、その全体が参照により本明細書に取り込まれる。 The entire disclosure of Japanese Application 2011-213239 is incorporated herein by reference.
　本明細書に記載された全ての文献、特許出願、及び技術規格は、個々の文献、特許出願、及び技術規格が参照により取り込まれることが具体的かつ個々に記された場合と同程度に、本明細書中に参照により取り込まれる。 All documents, patent applications, and technical standards mentioned in this specification are to the same extent as if each individual document, patent application, and technical standard were specifically and individually stated to be incorporated by reference, Incorporated herein by reference.
１０　放射線画像撮影システム
１４　放射線画像処理装置
１６　コンソール
１７　記憶部
１８　放射線画像読影装置
２０　電子カセッテ
２３、５０　ディスプレイ
２４、５４　操作パネル
１００　表示制御部
１０６　受付部
１１０　記憶制御部 DESCRIPTION OF SYMBOLS 10 Radiographic imaging system 14 Radiographic image processing apparatus 16 Console 17 Storage part 18 Radiation image interpretation apparatus 20 Electronic cassette 23, 50 Display 24, 54 Operation panel 100 Display control part 106 Reception part 110 Storage control part

Claims (15)

  1. 　動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示手段に表示するように制御する表示制御手段と、
    　前記表示手段に前記動画像を表示している際に、前記複数の放射線画像のうち前記表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける受付手段と、
    　前記複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御すると共に、前記受付手段によって受け付けられた前記画像関係情報を１画像として、受け付けられた際に前記表示手段に表示されている放射線画像に関連付けて前記記憶手段に記憶するように制御する記憶制御手段と、
    　を備えた放射線動画像処理装置。     Display control means for controlling to display as a moving image on a display means by continuously displaying a plurality of radiation images obtained by moving image shooting;
    A receiving unit that receives image-related information input by a radiographer with respect to a radiographic image displayed on the display unit among the plurality of radiographic images when the moving image is displayed on the display unit;
    The plurality of radiation images are controlled to be stored in the storage unit as moving image files, and the image related information received by the receiving unit is displayed as one image on the display unit when received. Storage control means for controlling to store in the storage means in association with a radiation image;
    A radiation moving image processing apparatus.
  2. 　前記表示制御手段は、前記画像関係情報の表示指示を読影者から受け付けた場合は、前記記憶手段に記憶されている画像関係情報と、当該画像関係情報に関連付けられている放射線画像と、を表示手段に表示させるよう制御する、請求項１に記載の放射線動画像処理装置。 When the display control unit receives an instruction to display the image related information from a radiogram interpreter, the display control unit displays the image related information stored in the storage unit and the radiation image associated with the image related information. The radiation moving image processing apparatus according to claim 1, wherein the radiation moving image processing apparatus is controlled to display on the means.
  3. 　前記表示制御手段は、前記記憶手段に記憶されている画像関係情報と、当該画像関係情報に関連付けられている放射線画像と、を重ねて表示手段に表示させるよう制御する、請求項２に記載の放射線動画像処理装置。 The display control unit according to claim 2, wherein the display control unit controls the display unit to display the image related information stored in the storage unit and the radiation image associated with the image related information in a superimposed manner. Radiation moving image processing device.
  4. 　前記受付手段は、表示手段の放射線画像が表示されている領域を含む予め定められた領域上に読影者が入力した前記画像関係情報を受け付ける、請求項１から請求項３のいずれか１項に記載の放射線動画像処理装置。 4. The apparatus according to claim 1, wherein the reception unit receives the image-related information input by a radiogram interpreter on a predetermined region including a region where a radiographic image of the display unit is displayed. 5. The radiation moving image processing apparatus described.
  5. 　前記表示制御手段は、前記画像関係情報が関連付けられた放射線画像を含む前記複数の放射線画像を動画像として表示手段に表示するように制御する場合、当該画像関係情報を前記記憶手段から読み出し、当該画像関係情報が関連付けられた放射線画像と共に表示手段に表示するよう制御する、請求項１から請求項４のいずれか１項に記載の放射線動画像処理装置。 When the display control unit controls the display unit to display the plurality of radiographic images including the radiographic image associated with the image-related information as a moving image, the image-related information is read from the storage unit, The radiation moving image processing apparatus according to any one of claims 1 to 4, wherein the image related information is controlled to be displayed on a display unit together with the associated radiation image.
  6. 　前記表示制御手段は、前記複数の放射線画像を動画像として表示手段に表示する場合に、表示している放射線画像が前記複数の放射線画像中のいずれであるかを示す情報を表示手段に表示するよう制御する、請求項１から請求項５のいずれか１項に記載の放射線動画像処理装置。 The display control unit displays information indicating which of the plurality of radiographic images is displayed on the display unit when the radiographic images are displayed on the display unit as moving images. The radiation moving image processing apparatus according to claim 1, wherein the radiation moving image processing apparatus is controlled as described above.
  7. 　前記表示制御手段は、前記画像関係情報が関連付けられた放射線画像が前記複数の放射線画像中のいずれであるかを示す情報を表示手段に表示するよう制御する、請求項６に記載の放射線動画像処理装置。 The radiation moving image according to claim 6, wherein the display control unit controls the display unit to display information indicating which of the plurality of radiographic images is a radiological image associated with the image-related information. Processing equipment.
  8. 　前記動画像ファイルは、前記複数の放射線画像の画像データ及び前記複数の放射線画像に関する情報を含み、前記複数の放射線画像を動画像として表示手段に表示させるよう読影者から指示された場合は、前記記憶制御手段は、当該読影者に関する情報を前記複数の放射線画像に関する情報として前記動画像ファイルに記憶させるよう制御する、請求項１から請求項７のいずれか１項に記載の放射線動画像処理装置。 The moving image file includes image data of the plurality of radiation images and information on the plurality of radiation images, and when the image reader instructs the display unit to display the plurality of radiation images as a moving image, 8. The radiation moving image processing apparatus according to claim 1, wherein the storage control unit performs control so that information relating to the radiogram interpreter is stored in the moving image file as information relating to the plurality of radiation images. .
  9. 　前記記憶制御手段は、前記画像関係情報を入力した読影者に関する情報を前記複数の放射線画像に関する情報として前記動画像ファイルに記憶させるよう制御する、請求項８に記載の放射線動画像処理装置。 9. The radiological moving image processing apparatus according to claim 8, wherein the storage control unit controls the moving image file to store information relating to a radiogram interpreter who has input the image related information as information relating to the plurality of radiographic images.
  10. 　画像関係情報ファイルは、前記画像関係情報の１画像のデータ及び当該１画像に関する情報を含み、前記記憶制御手段は、前記画像関係情報を入力した読影者に関する情報を当該１画像に関する情報として前記画像関係情報ファイルに記憶させるよう制御する、請求項１から請求項９のいずれか１項に記載の放射線動画像処理装置。 The image-related information file includes data of one image of the image-related information and information related to the one image, and the storage control unit uses the information related to the image reader who has input the image-related information as information related to the one image. The radiation moving image processing apparatus according to claim 1, wherein the radiation moving image processing apparatus is controlled to be stored in a relation information file.
  11. 　前記記憶制御手段は、前記画像関係情報を前記動画像ファイルとは別の画像関係情報ファイルとして前記記憶手段に記憶するように制御する、請求項１から請求項１０のいずれか１項に記載の放射線動画像処理装置。 11. The storage control unit according to claim 1, wherein the storage control unit controls the storage unit to store the image related information as an image related information file different from the moving image file. 11. Radiation moving image processing device.
  12. 　放射線画像を表示する表示手段と、
    　記憶手段と、
    　表示手段に動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示し、動画像ファイルを前記記憶手段に記憶させるよう制御し、かつ、読影者が入力した画像関係情報を受け付けて、前記画像関係情報を１画像として画像関係情報ファイルとして前記記憶手段に記憶させるよう制御する、前記請求項１から前記請求項１１のいずれか１項に記載の放射線動画像処理装置と、
    　を備えた放射線動画像読影システム。     Display means for displaying a radiation image;
    Storage means;
    A plurality of radiographic images obtained by moving image capturing are continuously displayed on the display means so as to be displayed as a moving image, and the moving image file is controlled to be stored in the storage means, and the image relation inputted by the image reader The radiological moving image processing apparatus according to any one of claims 1 to 11, which receives information and controls the storage unit to store the image-related information as an image-related information file as an image. When,
    Radiographic image interpretation system with
  13. 　照射された放射線の線量に応じた放射線を検出し、検出した放射線に基づいて放射線画像を出力する放射線検出器と、
    　前記放射線検出器を用いた動画撮影によって得られた動画像を読影する前記請求項１２に記載の放射線動画像読影システムと、
    　を備えた放射線動画像撮影システム。     A radiation detector that detects radiation according to the dose of irradiated radiation and outputs a radiation image based on the detected radiation;
    The radiological image interpretation system according to claim 12, wherein the radiological image interpretation system according to claim 12, which interprets a motion image obtained by moving image capturing using the radiation detector,
    Radiation video imaging system equipped with.
  14. 　動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示手段に表示するように制御する表示制御工程と、
    　前記表示手段に前記動画像を表示している際に、前記複数の放射線画像のうち前記表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける受付工程と、
    　前記複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御すると共に、前記受付手段によって受け付けられた前記画像関係情報を１画像として、受け付けられた際に前記表示手段に表示されている放射線画像に関連付けて前記記憶手段に記憶するように制御する記憶制御工程と、
    　を備えた放射線動画像処理方法。     A display control step for controlling to display on the display means as a moving image by continuously displaying a plurality of radiation images obtained by moving image shooting; and
    An accepting step of receiving image-related information input by a radiographer with respect to a radiographic image displayed on the display unit among the plurality of radiographic images when the moving image is displayed on the display unit;
    The plurality of radiation images are controlled to be stored in the storage unit as moving image files, and the image related information received by the receiving unit is displayed as one image on the display unit when received. A storage control step for controlling to store in the storage means in association with a radiation image;
    A radiation moving image processing method comprising:
  15. 　動画撮影によって得られた複数の放射線画像を連続して表示させることにより動画像として表示手段に表示するように制御する表示制御手段と、前記表示手段に前記動画像を表示している際に、前記複数の放射線画像のうち前記表示手段に表示されている放射線画像に対して、読影者が入力した画像関係情報を受け付ける受付手段と、前記複数の放射線画像を動画像ファイルとして記憶手段に記憶するように制御すると共に、前記受付手段によって受け付けられた前記画像関係情報を１画像として、受け付けられた際に前記表示手段に表示されている放射線画像に関連付けて前記記憶手段に記憶するように制御する記憶制御手段と、を備えた放射線動画像処理装置の前記表示制御手段及び前記記憶制御手段としてコンピュータを機能させるための放射線動画像処理プログラム。 When displaying the moving image on the display means, the display control means for controlling the display means as a moving image by continuously displaying a plurality of radiation images obtained by moving image shooting, Accepting means for receiving image-related information input by a radiographer with respect to the radiation image displayed on the display means among the plurality of radiation images, and storing the plurality of radiation images as moving image files in the storage means. And controlling so that the image related information received by the receiving unit is stored as one image in the storage unit in association with the radiation image displayed on the display unit when received. And a storage control means for causing the computer to function as the display control means and the storage control means. Because of the radiation moving image processing program.
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