WO2015032363A1 - Dispositif et procédé de commande de pseudo-couleurs - Google Patents

Dispositif et procédé de commande de pseudo-couleurs Download PDF

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Publication number
WO2015032363A1
WO2015032363A1 PCT/CN2014/086166 CN2014086166W WO2015032363A1 WO 2015032363 A1 WO2015032363 A1 WO 2015032363A1 CN 2014086166 W CN2014086166 W CN 2014086166W WO 2015032363 A1 WO2015032363 A1 WO 2015032363A1
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WO
WIPO (PCT)
Prior art keywords
thermal image
image data
pseudo color
data frame
pseudo
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PCT/CN2014/086166
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English (en)
Chinese (zh)
Inventor
王浩
Original Assignee
Wang Hao
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Publication date
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Publication of WO2015032363A1 publication Critical patent/WO2015032363A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077—Imaging

Definitions

  • the pseudo color control device and the pseudo color control method of the invention relate to a thermal image processing device and an application field of infrared detection.
  • an infrared thermal image is obtained by performing a corresponding pseudo color setting on the thermal image data frame to perform state evaluation of the object.
  • the grayscale pseudo color is from black to white corresponding to a temperature range of 10-35 ° C (or a range of thermal image AD values) as a pseudo color plate range; usually according to heat
  • the temperature range (or range of thermal image AD values) to automatically determine the pseudo color plate range, or manually adjust the pseudo color plate range
  • set the temperature range (or range of thermal image AD values) to determine the corresponding pseudo color plate range The image data of the infrared thermal image is obtained by taking the temperature value (or the thermal image AD value) of each pixel in the pseudo color plate range corresponding to the specific color value as the image data of the corresponding pixel position in the infrared thermal image.
  • the method of manually adjusting the range of the pseudo color plate is cumbersome, and the user needs to drag the upper and lower thresholds of the pseudo color plate to adjust the range of the false color plate. A more difficult operation is not observed when the range of false color plates as a contrast infrared thermal image is not observed.
  • the range of the pseudo color plate is automatically determined, and when there is a high temperature object in the thermal image, the thermal image of the object to be observed is greatly affected.
  • the infrared thermal image obtained by automatically determining the range of the pseudo color plate shown in FIG. 4, as shown in FIG. 4(a), the infrared thermal image 401, the range of the pseudo color plate is 10-35 ° C; as shown in FIG.
  • Infrared thermal image 402 due to the temperature source 404 of 55 ° C in the background, the range of the pseudo color plate is 10-55 ° C; at this time, due to the difference of the range of the pseudo color plate, the infrared thermal image 401 and the infrared thermal image 402 The color or the gradation is different, and the user is not allowed to judge whether the image is different due to the difference in the image color or the temperature difference of the subject's thermal image itself.
  • different pseudo color plates (such as grayscale, iron red, feather red, etc.) are also not conducive to visual comparison between infrared thermal images.
  • the invention provides a pseudo color control device and a pseudo color control method, which can use the pseudo color parameter associated with the selected first thermal image data frame as a pseudo color parameter of the second thermal image data frame; The pseudo-color parameter of the infrared thermal image compared with the body heat image.
  • the present invention adopts the following technical solutions, and the pseudo color control device includes:
  • An acquisition unit configured to acquire a thermal image data frame
  • a first selection unit configured to select a first thermal image data frame
  • a second selection unit configured to select a second thermal image data frame
  • the pseudo color setting unit is configured to use the pseudo color parameter associated with the selected first thermal image data frame as a pseudo color parameter of the second thermal image data frame, and the pseudo color parameter includes at least a pseudo color plate range.
  • the invention also provides a pseudo color control method, which has:
  • a pseudo color setting step configured to use the pseudo color parameter associated with the selected first thermal image data frame as a pseudo color parameter of the second thermal image data frame.
  • Fig. 1 is a block diagram showing the electrical configuration of a pseudo color control device of the first embodiment.
  • Fig. 2 is a perspective view showing the pseudo color control device of the first embodiment.
  • Fig. 3 is a view showing an example of an infrared thermal image and a pseudo color plate.
  • Fig. 4 is a view showing an example of display of an infrared thermal image obtained by automatically setting a pseudo color plate range in the prior art.
  • Fig. 5 is a view showing an example of display of a display interface of the pseudo color control device of the first embodiment
  • Fig. 6 is a view showing an example of display of an infrared thermal image obtained by the pseudo color control device of the first embodiment.
  • Fig. 7 is a control flow chart of the pseudo color control device of the first embodiment.
  • Fig. 8 is an external view of another pseudo color control device of the embodiment.
  • Embodiments of the present invention will be described below.
  • a pseudo color control device 1 for processing a thermal image file such as a processing device such as a personal computer or a personal digital processing device, in Embodiment 1, it is also applicable to The thermal image capturing device of the thermal image capturing function (as shown in Fig. 8, for example, pseudo color adjustment of the reproduced thermal image file, etc.).
  • Embodiment 1, Fig. 1 is a block diagram showing an electrical configuration of a pseudo color control device 1 of the present invention.
  • the pseudo color control device 1 of the present embodiment includes a CPU 2 that performs overall control, a RAM 3 that is connected to the CPU 2 via a bus, a display unit 4, a hard disk 5, an auxiliary storage unit 6, an operation unit 7, and a communication unit 8.
  • the pseudo color control device 1 may be a computer, a PDA, a dedicated display processing device or a dedicated pseudo color control device 1.
  • the RAM 3 temporarily stores various data temporarily generated by the CPU 2 executing the program.
  • the display unit 4 such as a liquid crystal display, performs display based on the control of the CPU 2.
  • the display unit 4 may be another display connected to the image processing device 1 , and the display device 1 itself may have no display in its electrical configuration.
  • the hard disk 5 stores programs for control and various data used in the control.
  • the auxiliary storage unit 6 for example, a storage medium such as a CD-ROM or a memory card, and an associated interface.
  • the operation unit 7 is for the user to give an instruction to the pseudo color control device 1, or to input setting information, and the CPU 2 executes the corresponding program based on the operation signal of the operation unit 7.
  • the operation unit 7 is configured by, for example, a keyboard, a mouse, or the like, and is not limited thereto. The operation can be realized by using a touch panel or a voice control unit.
  • the communication unit 8 is a communication device that connects the pseudo color control device 1 to an external device in accordance with a communication specification such as USB, 1394, or network.
  • the CPU 2 controls the overall operation of the pseudo color control device 1, and the control program stored in the hard disk 5 causes the CPU 2 to execute the corresponding processing.
  • the CPU 2 performs predetermined image processing on the acquired thermal image data frame, and performs image processing such as correction, compression, decompression, interpolation, pseudo color, composition, and the like, and converts the data into data suitable for recording, display, and the like.
  • image processing such as correction, compression, decompression, interpolation, pseudo color, composition, and the like
  • the thermal image data frame for example, when the processed thermal image data frame contains thermal image data as thermal image AD value data, the CPU 2 performs corresponding prescribed processing such as pseudo color processing, for example, according to the thermal image.
  • the range of the thermal image AD value of the data or the setting range of the thermal image AD value is used to determine the corresponding pseudo color plate range, and the specific color value corresponding to each thermal image AD value in the pseudo color plate range is taken as its infrared thermal image.
  • the image data of the infrared thermal image is obtained corresponding to the image data of the pixel position, and the predetermined processing is also performed in various predetermined processes such as correction and interpolation in the decompressed thermal image data frame.
  • the CPU 2 functions as an acquisition unit for acquiring a thermal image data frame; for example, selecting a thermal image data frame to be processed from a storage medium such as the auxiliary storage unit 6 or the hard disk 5, and further, wired or wirelessly connecting from the communication unit 8 to an external device.
  • the acquired thermal image data frame such as an external storage device or a thermal image capturing device connected to the pseudo color control device 1, obtains a thermal image data frame to be processed.
  • the thermal image data frame such as a thermal image file.
  • the thermal image data frame may include thermal image AD value data, image data of an infrared thermal image, array data of temperature values, or compressed data.
  • the CPU 2 serves as a first selection unit for selecting a first thermal image data frame; for example, the user can adjust the pseudo color parameter (pseudo color plate range, or pseudo color plate and pseudo color plate range) of the current thermal image data frame.
  • the pseudo color parameter is stored in association with the thermal image data frame
  • the first thermal image data frame is selected, and the pseudo color parameter associated with the first thermal image data frame can be used as a pseudo color parameter of the subsequent thermal image data frame. To ensure that the thermal image data frame of the subsequent processing is consistent with the pseudo color effect of the first thermal image data frame.
  • the CPU 2 is used as a second selection unit for selecting a second thermal image data frame; for example, the user can select a thermal image data frame to be processed as a second thermal image data frame; or, according to the first thermal image data frame,
  • the information such as subject information and/or shooting parameter information, etc., selects the second thermal image data frame.
  • the second thermal image data frame may be selected according to one or more of the information associated with the first thermal image data frame.
  • the object information associated with the first thermal image data frame is a “voltage transformer”, and other thermal image data frames associated with the object information as “voltage transformers” in the storage medium may be selected as the second thermal image.
  • a data frame in which the subject information is information related to the subject, such as a combination of one or more of information representing a subject's location, type, number, name, and the like.
  • the second thermal image data frame may be selected according to shooting parameter information such as shooting time, ambient temperature, shooting distance, wind speed, humidity, and the like, and parameters and information related to shooting. This can further reduce the user's operational workload, such as the comparison between the thermal images of the subject.
  • the associated information is also information such as the load and the rotational speed of the object at the time of shooting, and the information associated with the thermal image data frame may be acquired at the time of shooting, or the related information may be added to the background computer for the thermal image data frame.
  • the second thermal image data frame can be one or more frames.
  • the CPU 2 serves as a configuration unit for configuring information related to the pseudo color setting according to the user's operation based on the information associated with the first thermal image data frame, and the second selection unit is configured to, according to the configured information, To select the second thermal image data frame.
  • the information associated with the first thermal image data frame includes the subject information “voltage transformer”, and the user can set the subject information “voltage transformer” to the information related to the pseudo color setting, and then automatically store the information.
  • Other thermal image data frames associated with the subject information as "voltage transformers" in the medium are selected as second thermal image data frames.
  • the information related to the pseudo color setting may be configured according to one or more of the information associated with the first thermal image data frame.
  • the CPU 2 functions as a pseudo color setting unit for using a pseudo color parameter associated with the selected first thermal image data frame as a pseudo color parameter of the second thermal image data frame.
  • the pseudo color parameter may be a pseudo color plate range or may also include a pseudo color plate.
  • the CPU 2 functions as a pseudo color portion for processing the second thermal image data frame according to the pseudo color parameter to obtain an infrared thermal image.
  • the CPU 2 functions as a recording unit for recording the pseudo color parameter in association with the second thermal image data frame selected by the second selection unit.
  • the pseudo color parameter associated with the thermal image data frame can be directly called to obtain the infrared thermal image. Since the pseudo color plate is easily set to be suitable for all the thermal image data frames to be processed, only the pseudo color plate range can be recorded.
  • a display example of the display interface of the pseudo color control device 1 of the first embodiment will be described with reference to FIG.
  • open 501 a selection menu item of a file
  • a thermal image data frame such as a thermal image file
  • the same subject information pseudo color 503 in the display state of the current frame click "same subject information pseudo color 503", then automatically use the current frame as the first thermal image data frame, the pseudo color associated with the current frame
  • the parameter is applied to a thermal image data frame associated with the same subject information.
  • the same shooting parameter pseudo color 504 in the display state of the current frame, click "the same shooting parameter pseudo color 504", then automatically the current frame as the first thermal image data frame, according to the pseudo color parameter associated with the current frame, applied to Associate a thermal image data frame with the same shooting parameters.
  • Save 505 in the display state of the current frame, click "Save 505" to record the current frame and the set pseudo color parameters.
  • first thermal image data frame and second thermal image data frame may be configured for selecting or specifying the first thermal image data frame and the second heat.
  • first thermal image data frame and second thermal image data frame may be configured for selecting or specifying the first thermal image data frame and the second heat.
  • Embodiment 1 The control flow of Embodiment 1 will be described with reference to FIG.
  • the CPU 2 After the pseudo color control device 1 is activated, the CPU 2 performs its control to display a processing interface, and the user determines the thermal image data frame to be processed by, for example, selecting a thermal image file stored in the auxiliary storage unit 6 or the hard disk 5. Further, the thermal image data frame acquired from the communication unit 8 and connected to the external device may be connected to an external storage device or a thermal image capturing device to obtain a thermal image data frame to be processed. Among them, the infrared thermal image obtained by the thermal image data frame may not be displayed.
  • Step A01 selecting a first thermal image data frame, for example, performing pseudo color parameter adjustment on the current thermal image data frame, obtaining an infrared thermal image 401 as shown in FIG. 6(a), and adjusting the pseudo color parameter obtained after the adjustment
  • the thermal image data frame is associated with the record, and then, when the display is read in the next frame, click "Apply the previous frame pseudo color 502" to select the previous thermal image data frame as the first thermal image data frame.
  • Step A02 selecting a second thermal image data frame; for example, as a second thermal image data frame for a subsequent predetermined number of thermal image data frames; preferably, selecting a subsequent first thermal image data frame as the second thermal image data frame
  • the thermal image data frame is opened and displayed to obtain the infrared thermal image 402.
  • the user clicks “Apply the previous frame pseudo color 502” the currently displayed frame is used as the second thermal image data frame.
  • the pseudo color parameter associated with the first thermal image data frame is used as the pseudo color parameter of the second thermal image data frame; after that, the associated recording of the pseudo color parameter and the thermal image data frame, or the pseudo color processing may be performed.
  • This can save the workload of manually adjusting the pseudo-color parameters frame by frame, and can avoid the problems caused by automatically adjusting the pseudo-color parameters.
  • Step A04 processing the infrared thermal image after obtaining the pseudo color of the second thermal image data frame.
  • the infrared thermal image 403 is pseudo-color processed according to the pseudo color parameter associated with the infrared thermal image 401 shown in FIG. 6(a), so the pseudo color range of the two is the same, and the pseudo color is the same.
  • the boards are consistent, which is convenient for users to compare.
  • Step A05 determining whether to exit, if not, returning to step A01, at this time, if the user opens a new thermal image data frame, when clicking "previous frame pseudo color 502", the current frame is taken as the second thermal image.
  • the data frame, and the thermal image data frame corresponding to the infrared thermal image 403 is selected as the first thermal image data frame.
  • the pseudo color parameter associated with the selected first thermal image data frame is used as the pseudo color parameter of the second thermal image data frame; it is convenient to set the pseudo color of the infrared thermal image which is advantageous for comparing the thermal images of different subjects. parameter. Thereby, the quality of the infrared thermal image processing is ensured, the processing speed is improved, and the workload of manual frame-by-frame pseudo color parameter adjustment is saved.
  • the subject thermal image of the electric power industry is used as an example of application, and it is also widely used in various industries of infrared detection.
  • the processing and control functions of some or all of the components of the embodiments of the present invention may also be implemented in a dedicated circuit or a general purpose processor or a programmable FPGA.

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  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
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Abstract

La présente invention concerne le domaine d'application de dispositifs de traitement d'image thermique et de détection infrarouge. La présente invention porte également sur un dispositif et un procédé de commande de pseudo-couleurs. Des dispositifs d'imagerie thermique de l'état de la technique utilisent le procédé de réglage de façon manuelle de la plage d'une plaque de pseudo-couleurs, conduisant à une grande charge de travail; de plus, la plage de la plaque de pseudo-couleurs est automatiquement déterminée selon la plage de température de données d'image thermique (ou la plage d'une valeur AN), et la présence d'un objet de température élevée dans l'image thermique affecte de façon radicale l'image thermique d'un sujet photographique à observer. Le dispositif et le procédé de commande de pseudo-couleurs de la présente invention utilisent un paramètre de pseudo-couleur associé à une première trame de données d'image thermique sélectionnée en tant que paramètre de pseudo-couleur d'une seconde trame de données d'image thermique, facilitant ainsi le réglage du paramètre de pseudo-couleur pour comparaison aisée.
PCT/CN2014/086166 2013-09-09 2014-09-09 Dispositif et procédé de commande de pseudo-couleurs WO2015032363A1 (fr)

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CN106791278A (zh) * 2016-12-30 2017-05-31 金陵科技学院 数据位直联伪彩色设计方法

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CN106791278A (zh) * 2016-12-30 2017-05-31 金陵科技学院 数据位直联伪彩色设计方法

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