JPH0883327A - Picture managing and displaying device - Google Patents

Abstract

PURPOSE: To improve the efficiency of comparison and diagnosis of plural continuous pictures and to prevent the generation of an error by adjusting the display position of selected and extracted picture data belonging to a group to be compared on a display device equivalently to the area of a reference picture displayed on the display device. CONSTITUTION: An accessory information part in picture data to be stored in a picture data base 34 is inspected, the correcting conditions of respective picture data belonging to one group are used as references and reference picture data out of picture data belonging to another group are allowed to coincide with a noticed collecting condition. On the other hand, picture data collected under the most approximate condition are selected and extracted by an accessory information analyzing means 381 as the picture data of the group to be compared. The display position of the selected and extracted picture data belonging to the group to be compared is adjusted by a display position correcting means 382 so as to be equivalent to the display area of the reference picture on the display device. Consequently working efficiency can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plurality of two or more sets of images closely related to each other, for example, in the field of medical diagnosis, before and after the treatment of a diseased part of a patient to be treated by a nuclear magnetic resonance tomography apparatus. A plurality of diagnostic screens obtained by tomography at regular intervals or a plurality of images obtained by recording and recording the equipment environment from a predetermined position before and after improvement measures of the equipment environment are retained on the display device. The present invention relates to an image management display device for displaying.

[0002]

2. Description of the Related Art FIG. 3 shows an example of the configuration of an image management display device for displaying a plurality of images acquired by a nuclear magnetic resonance tomographic image diagnostic device 1 as an image data generating device on a display device by a conventional technique. Shown, this figure illustrates the prior art. In FIG. 3, 2 is an image data generating device such as a nuclear magnetic resonance or X-ray CT tomography device, and 3 is an image of a form effective for diagnosis by accumulating and processing the image data generated by the image data generating device 2. It is an image management display device that performs a process of drawing on a display device.

In the system of FIG. 3, the nuclear magnetic resonance tomography apparatus 21 functioning as the image data generating apparatus 2 is
The affected area to be diagnosed by the subject 1 is observed in slices at fixed intervals to obtain diagnostic image data for each slice position,
This diagnostic image data body is attached with an incidental information section that describes observation condition information such as the identification of the subject and the examination time and slice position interval to generate an image data package, and this image data package is generated via the connection interface 22. High-speed transfer to the image management display device 3. Then, this observation may be performed on the same affected part before and after the operation of the patient who is the subject.

The image data generating device 2 may be a medical tomography device as illustrated in FIG. 2 or may be a plant device or an environmental condition at a plurality of locations with a fixed cycle. There is also a case where it is like a surveillance image pickup device for performing surveillance image pickup and collecting image data grouped according to the surveillance image pickup rule. The image data package transferred from the image data generation device 2 to the image management display device 3 is received via the connection interface 31, and the incidental information part of the received data package is analyzed and investigated by the incidental information analysis means 32. Based on the analysis result, the image data and incidental information storage means 33 classifies and arranges the received data into data relating to each of the image information main body and incidental information and stores them in the large capacity storage means as the image database 34.

In the image management display device illustrated in FIG. 3, the display section is composed of three separate display devices, and the character display device 371 includes the data in the auxiliary information section storage area of the image database 34. In addition, information such as the inspection method, conditions, and inspection list is indicated by characters and symbols.The image display devices 372 and 373 are based on the data in the diagnostic image data body storage area of the database 34 and The preoperative examination image A and the postoperative examination image B of the person 1 are displayed.

[0006] In the image management display device of FIG. 3, when a diagnostician wants to display an image effective for diagnosis based on the image database stored in the image database 34, a console including a keyboard, a mouse, a joystick, etc. 35
When the items required for display are designated and input from 1, the display image generation control unit 352 executes a predetermined image editing and generation program based on the designated input to provide necessary image information to the image information main unit of the image database 34. Pixel data for drawing a specified diagnostic image on the diagnostic image display devices 372 and 373 is generated and stored in the continuous image frame memories 362 and 363 corresponding to the diagnostic image display devices. Also, regarding the information displayed in characters or graphics in relation to the explanation and interpretation of the diagnostic image, the information data required by the image editing and generating program is extracted from the incidental information section of the image database 34, processed and processed, and the character display device 37 is displayed.
Pixel data for drawing characters and graphics is generated in 1 and stored in the corresponding inspection condition information display frame memory.

As described above, the pixel data stored in the frame buffer memories 361 to 363 of each display device are sequentially read out at a constant cycle and A / D converted into an analog video signal to become a display device 371 such as a CRT.
Or 373 the specified image is drawn on it. By the way,
In the tomography apparatus 21 as illustrated in FIG. 1, since the diseased part of the subject 1 to be diagnosed is sliced and observed at constant intervals and diagnostic image data is obtained for each slice position, the observation result is displayed on the display device. In the case of displaying in, the display screen is divided into the number of observation slice planes as shown in FIG. 4, and the image for each slice plane is displayed in each divided area.

As described above, according to the conventional technique, in the image management display device which displays a plurality of images belonging to a plurality of groups in parallel on the image display device corresponding to each group, the images belonging to each group are the respective images. The data is arranged and displayed on the display device in the arrangement order that is determined by the observation conditions at the time of data recording. On the other hand, when the observation time of the examination target is before and after the surgery of the patient to be examined, it is rather rare that the observation conditions at both observations are completely the same. 5
On the other hand, in the case of observation with a slice pitch of 6 mm after surgery, the slice screens of the same part, which are separated from the reference screen by the same distance, may be displayed in different division position areas on the display device.

[0009]

As described above, in the screen management display device according to the prior art, the plurality of screens displayed on the plurality of display devices have the observation data corresponding to the respective display devices. Since it is displayed according to the arrangement order determined by, if a large number of observations are performed for each observation group with slightly different conditions such as the observation period and distance interval, and display this on a corresponding display device, Even if the observation data happen to match the conditions such as time and distance between observation groups, or the observation data are in a very close relationship, the images are displayed in different section areas on the corresponding display device screen, and the diagnosis is performed. When a person compares images to perform a diagnosis, the images displayed in different position areas must be contrasted, and the rate of comparison work is high. Not only below, it has also become the original occurrence of judgment errors.

The present invention has been made in view of the above problems in the prior art. When displaying image data belonging to different observation groups under different observation conditions as an image on a display device corresponding to the group, the observation conditions are An image management display device is provided in which images that match or are close to each other are displayed in the same position area on the display device screen, and improve the efficiency when performing diagnosis by comparing a plurality of consecutive images. The challenge is to prevent the occurrence.

[0011]

In order to solve the above problems, in the present invention, image data which is divided into a plurality of groups stored in an image database and each of which is composed of a plurality of image sets corresponds to a group division. Each image belonging to one group by inspecting the incidental information part of the image data stored in the image database on the image management display device that draws and displays the image on the display screen of the display device provided for each image. Based on the data collection conditions, the image data collected from the image data belonging to other groups that matches or is closest to the collection condition of the reference image data is selected and extracted as the image data of the comparison target group. Additional information analysis means and the display position on the display device of the image data belonging to the selectively extracted comparison target group , Provided the display position correcting means for reference side image is adjusted to the same position and area to be displayed on the display device.

Then, the image data recording conditions of the images belonging to the comparison target group selected and extracted subsequently to the display position correcting means and the reference image are compared, and if the conditions do not match, they are selected and extracted. A marker that inserts as a mark a visible code that indicates a mismatch is provided on a part of the display screen of the compared image.

[0013]

In the image management display device according to the present invention, which is provided with the incidental information analyzing means and the display position correcting means, the incidental information analyzing means uses the collection condition of each image data belonging to one group as a reference and compares From the image data belonging to the other group, the image data collected under the condition that matches or is closest to the target collection condition of the reference image data is extracted, and the image that belongs to the group to which the display position correcting unit is the reference is extracted. An image based on the comparative image data extracted by the display position correcting means is displayed at the screen position of the display device of the comparison side image equivalent to the area where the reference side image is drawn on the display device of the reference side image to be displayed.

Thus, in the image management display device in which the display position correction means is provided with the marker, the marker is based on the noted recording condition of the image data extracted from the image data belonging to the group to be compared. When the extracted image data does not completely match the recording condition of the image, when the image is drawn in a predetermined area on the display device of the comparison side image, a character or code visible in a part of the image Is inserted as a mark and the conditions are matched, the image based on the extracted image data is displayed as it is without inserting the mark.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An image management display device according to an embodiment of the present invention will be described with reference to FIG. 1, which shows the structure of the device. In FIG. 1, elements having the same functions as the elements constituting the image management display device illustrated in FIG. 3 used for explaining the conventional technique are denoted by the same reference numerals as in FIG. Therefore, the description thereof is omitted.

In FIG. 1, reference numeral 381 indicates a data recording condition when the display image generation control unit 352 reads image data belonging to a designated group from the image database 34 based on an input command from the operator console 351. The data in the incidental information section is read, the data recording conditions are compared between the group data, and the non-reference group image data that is recorded based on the conditions that match or is closest to the recording conditions in the group set as the reference, that is, the image data of the comparison side is stored. The auxiliary information analyzing means is composed of a logic program for detecting the address of the image database.
The reference numeral 382 indicates the image data belonging to the group set as a reference from the diagnostic image information area of the image database 34 and the recording condition closest to the recording condition of the reference side image data based on the analysis result by the incidental information analysis means 381. Pixel information to be read out from the image data addressed as the recorded comparison side image data and transferred and stored in the same order pixel recording areas of the frame buffer memories 362 and 363 attached to the reference side and comparison side display devices, respectively. It is a transfer means.

By the above means, the image data belonging to the comparison group which is recorded under the condition that matches or is closest to the recording condition of the image data belonging to the group designated as the reference is selected, and the frame attached to the comparative image display device is selected. In the buffer memory, the data is stored in the frame buffer memory of the reference side image display device at the same address in the same order, so when the data in the frame buffer memory is sequentially read and an image is drawn on the display device, Images of recording conditions that are even numbers on the display device on the comparison side are drawn and displayed in the same area on the screen of the display device.

It should be noted that the marker 383 inserted and displayed in the middle of the pixel data transfer path on the comparison side in FIG. 1 indicates that the incidental information analysis unit 381 indicates that the recording conditions of interest of the reference group image data and the comparison group image data match. If it is detected, the image data on the comparison side is also transferred to the frame buffer memory as it is, the mismatch is detected, and when the image data closest to the target recording condition of the reference side image data is selected, a character or code of a predetermined pattern is selected. Is a marker insertion program for inserting and outputting pixel data for displaying in a part of the image.

Image data of two groups which are recorded under different conditions by the image management display device having the configuration shown in FIG. 1 are displayed so that images having similar recording conditions are displayed in the same area on each display device screen. In that case, Table 1 shows an example of an array of image data transferred to the frame buffer memory of each display device, and FIG. 2 shows an example of an image displayed by the selected array.

[0020]

[Table 1]

In Table 1 and the example of FIG. 2, the image data on the reference side is image data recorded at a slice pitch of 5 mm before the operation of the patient to be inspected by a tomography apparatus, while the image data on the comparison side. Is image data recorded with a slice pitch of 6 mm from the same site as a base point after surgery on the same patient to be examined. Therefore, when the image data before and after the operation is displayed on the image management display device according to the conventional technique illustrated in FIG. 3, the images corresponding to each slice are arranged on the screen of the display device in the order of the slices. Therefore, even if the images correspond to the slice planes that are equidistant from the base point, the slice order will be different before and after surgery, so they will be displayed in different area positions on the display device. You have to look at the screen and judge.

On the other hand, in the image management display apparatus of FIG. 1 according to the present invention, the slice pitch as an image data recording condition is used as a key, and the tomographic images of the slice planes that match or are closest to the preoperative slice plane are compared. The image is displayed on the comparison-side image display device screen at the same position as the display position of the reference-side image selected from the post-operative image data set as the side as illustrated in FIG. It is possible to make a judgment by comparing the images displayed at the same position as the device is raised.

In the image management display device described above, when the comparison side recording condition parameter is included in the middle of the reference side image recording condition parameter, for example, in the example of FIG. 2, 15 mm from the base point on the reference side. If the comparison side slice plane 18mm is between the 20mm and 20mm slice planes, the comparison side slice plane 18mm image is selected twice as the screen corresponding to the reference side slice planes 15mm and 20mm. ,
The diagnostician needs to keep this in mind because the same screens are displayed concatenatedly.

Further, in the device in which the marker 383 is provided in the middle of the pixel data transfer path on the comparison side, when the incidental information analysis unit 381 detects the coincidence of the noted recording conditions of the reference group image data and the comparison group image data. Also transfers the image data of the comparison side to the frame buffer memory as it is, detects a mismatch, and when the image data closest to the target recording condition of the reference side image data is selected, a character or code of a predetermined pattern is set in the image. Since the pixel data to be displayed in the section is inserted and output, a mark indicating non-coincidence is displayed in the image screen on the display image on the comparison side where the image data collection conditions do not completely match.

[0025]

In the screen management display device according to the present invention, the comparison side image data recorded under the condition that matches or is closest to the recording condition of the image group set on the reference side is selected and the reference side is displayed on the comparison side display device. Since the image is displayed at the same position as the corresponding image display position on the display device, the effect of improving the work efficiency of the image diagnosing person who makes the reference judgment of the reference image and the comparison image group is first obtained. Further, according to the device of the second invention in which a mark is inserted in the image on the comparison side where the image recording conditions do not completely match, the attention of the diagnostician is promptly aroused, and the effect of preventing erroneous judgment can be obtained. can get.

[Brief description of drawings]

FIG. 1 is a block diagram of an image management display device according to the present invention.

FIG. 2 is an explanatory diagram of a display screen in the apparatus of FIG.

FIG. 3 is a block diagram of a conventional image management display device.

FIG. 4 is an explanatory diagram of a display screen in the device of FIG.

[Explanation of symbols]

 1 inspection target 2 image data generation device 21 nuclear magnetic resonance tomography device 22, 31 connection interface 3 image management display device 31 supplementary information analysis means 33 image and supplementary information storage means 34 image database 351 console 352 display image generation control unit 361 , 362, 363 Frame buffer memory 371, 372, 373 Display device

Continuation of front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display location G09G 5/00 510 C 9377-5H X 9377-5H 9194-5L G06F 15/403 380 E 9365-5H 15/62 P

Claims (2)

[Claims] 1. Image data divided into a plurality of groups stored in an image database, each of which is composed of a plurality of image groups, is divided into images on a display screen of a display device provided corresponding to the group division. An image management display device that draws and displays images in different areas, inspects the incidental information part of the image data stored in the image database, and uses the collection conditions of each image data belonging to one group as a reference, and the images belonging to another group. A supplementary information analysis means for selectively extracting image data collected under the conditions that match or is closest to the target collection condition of the reference image data from the data as the image data of the comparison target group, and the selected comparison target group The display position on the display device of the image data belonging to is equal to the area where the reference side image is displayed on the display device. An image management display device, comprising: a display position correcting unit that adjusts the display position to the position. 2. An image data recording condition of an image belonging to a comparison target group selected and extracted subsequently to the display position correcting means and a reference image is compared, and if the conditions do not match, the selected and extracted comparison is performed. The image management display device according to claim 1, further comprising a marker that is inserted as a mark on a part of the display screen of the target image to show a mismatch.