JPH03210244A - Image display method in ct device - Google Patents

Abstract

PURPOSE:To prevent image information required for diagnosis from being destroyed by designating and segmenting only an interested area required for the diagnosis in each of plural measuring images, comprising a sheet of image by arranging them, and displaying it on a display device. CONSTITUTION:A memory device 1 which stores image data collected from the diagnostic part of a subject, storage parts 2a, 2b for display which transfer and store data in the device 1, an editing means 3 for stored image, a means consisting of a tracking ball 4 and a keyboard 5 which inputs a command for image editing, and the display device 6 of an editing image are provided. Then, the image to be displayed hereafter is transferred to the storage part 2a sequentially, and also, the interested area is set with operating commands from the input means 4, 5, and it is segmented. The image data in a segmented interested area is transferred sequentially to the storage part 26, and also, it is set at parts designated with the input means 4, 5, then, a sheet of image is comprised and is displayed on the display device 6.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an image display method in a CT table device that measures and displays images of a diagnostic region of a subject, and particularly relates to an image display method for measuring and displaying images of a diagnostic region of a subject, and in particular, The present invention relates to an image display method that allows regions of interest from a plurality of measurement images to be combined and displayed on one screen of a display device without losing necessary image information.

[Conventional technology]

To display multiple images on one screen of a conventional CT table device, the screen of the display device is divided into equal sizes, such as 4, 9, or 16, and the size of each division is adjusted. The measurement image to be displayed is reduced according to the size of the image, and the reduced image is applied to each of the divided sections to display a plurality of images on one screen.

[Problem to be solved by the invention]

However, in such conventional image display methods, as the number of divisions into which the screen of a display device is divided increases, the division size becomes smaller, and the measurement image displayed in each divided section also becomes smaller. . However, in images measured with a CT apparatus regarding a diagnostic site of a subject, the image information necessary for diagnosis is often limited to a specific region (region of interest) within the -th measurement image. Therefore.

As the measurement image displayed in each divided section becomes smaller as described above, the region of interest also becomes smaller, and image information necessary for diagnosis is lost.

For this reason, the quality of diagnosis performed by observing a plurality of images displayed on one screen of the display device may deteriorate. Further, in order to prevent image information necessary for diagnosis from being damaged as described above, the number of images displayed on one screen of the display device cannot be increased too much.

Therefore, 1 the present invention solves such problems and displays the regions of interest of multiple measurement images on one screen of a display device by combining them without damaging the image information necessary for diagnosis included in each measurement image. An object of the present invention is to provide a method for displaying images on a CT apparatus that can perform the following steps.

[Means to solve the problem]

In order to achieve the above object, an image display method in a CT apparatus according to the present invention includes a storage device that stores image data collected about a diagnostic region of a subject, and image data that is transferred between this storage device. In a CT apparatus having a plurality of display storage units for storing, editing means for editing the stored images, input means for inputting commands for editing the images, and a display device for displaying the edited images. , images to be displayed are sequentially transferred and displayed to one of the plurality of display storage units, a region of interest is set and cut out by an operation command from the input means, and the cut out region of interest is arranging a plurality of images to form one image on the other display storage unit by sequentially transferring the image data to the other display storage unit and setting it in a location specified by the input means;
This image is displayed on a display device.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a schematic configuration of a CT apparatus used to implement the image display method according to the present invention. This CT
The device measures and displays images of the diagnostic region of the subject, and as shown in the figure, includes a storage device 1, a first display memory 2a, a second display memory 2b, and an editing work memory. 3, a trackball 4, a keyboard 5, and a display device 6.

The above memory device! ! Reference numeral 1 stores image data collected about a diagnostic site of a subject by a measuring device not shown, and is made of, for example, a magnetic disk. The first display memory 2a and the second display memory 2b are the above-mentioned storage devices! It transfers image data to and from 0 and stores it for display, and is connected to the storage device 1 by access lines 7a and 7b, and both are connected to each other by another access line 8. The editing work memory 3 serves as editing means for editing the images stored in the first and second display memories 2a and 2b, and is connected to the first display memory 2a by an access line 9. There is. The trackball 4 and the keyboard 5 serve as input means for inputting image editing commands to the first and second display memories 2a, 2b and the editing work memory 3. The display bag [6] displays the edited image, is made of, for example, a CRT, and is connected to the first and second display memories 2a and 2b.

In FIG. 1, reference numeral 10 indicates a changeover switch, and this changeover switch 10 allows the trackball 4, keyboard 5, and display device I6 to be switched to the first display memory 2a or the second display memory 2b. It is designed to connect to either.

Next, a method of editing and displaying images using such a CT apparatus will be described with reference to FIGS. 2 and 3. First, store the image data of the image you are about to edit and display in the memory bag shown in Figure 1! ii1 and the first display memory 2a via the access line 7ai.
Transfer to. At this time, the changeover switch 10 is switched to the contact a side, and the trackball 4, keyboard 5, and display device i! 6 is connected to the first display memory 2a.

Then, as shown in FIG. 2, on the screen of the display device 6,
The measurement image 11 transferred and set in the first display memory 2a is displayed.

Next, display the measurement image 11 displayed as shown in FIG. 2 on the screen of the display device 6, and input operation commands using the trackball 4 and keyboard 5 shown in FIG. A region of interest 12 necessary for diagnosis is set and image data of the region of interest 12 is cut out. That is,
By operating the above-mentioned trunk ball 4 and keyboard 5, for example, write A,
B, C.

The region of interest 12 is set by specifying four points D and connecting these four points with straight lines. Note that five or more points may be specified, or the region of interest 12 may be set by drawing an arbitrary curve with the trunk ball 4.

Next, the image data of the region of interest 12 cut out as described above is transferred to the second display memory 2b via the access line 8 shown in FIG.

At this time, the changeover switch 10 is switched to the contact side, and the trackball 4, keyboard 5, and display device 6 are connected to the second display memory 2b. Then, for example, in the center of the screen of 1 display device 6.

The image of the region of interest 12 thus cut out is displayed. Then, using the trackball 4 and keyboard 5, specify an arbitrary location on the screen of the display bag [6', for example, the upper left corner, as shown in FIG. The image data is set in the second display memory 2b so that the image 12' of the region of interest 12 of the image 11 is displayed.

Thereafter, this operation is repeated to sequentially display the measurement images 11 to be edited and displayed, to set and cut out the region of interest 12 necessary for diagnosis, and to display the image 12' of the cut out region of interest 12. By sequentially specifying the image data and sequentially setting the image data in the second display memory 2b, a plurality of regions of interest 12 are arranged side by side to form one image on the second display memory 2b, and this image can be displayed on one screen of the display device 6.

The image data of one image edited on the second display memory 2b as described above can be stored in the storage device 11 via the access line 7b.

In addition, in FIG. 1, there are two display memories (2a,
2b) Although the case where it is provided is shown, the present invention is not limited to this.
Three or more may be provided. Furthermore, instead of providing a plurality of display memories 2a and 2b, one large-capacity display memory may be provided, and a plurality of display storage areas may be provided therein.

〔Effect of the invention〕

Since the present invention is configured as described above, only the regions of interest 12 necessary for diagnosis are specified and cut out for each of the plurality of measurement images 11, and the images 12 of these regions of interest 12 are
' are arranged to form a single image, and this image is displayed on the display device 6.
can be displayed on one screen. Therefore, the image 12' of the region of interest 12 displayed on one screen of the display device 6 is displayed at the same size in each section,
Image information necessary for diagnosis included in each original measurement image 11 can be prevented from being damaged. From this,
The quality of diagnosis performed by observing a plurality of images 12' displayed on one screen of the display device 6 can be improved. Furthermore, if the size of the region of interest 12 to be set is not very large, a large number of images 12' can be displayed on one screen of the display device 6 and observed simultaneously.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a CT apparatus used to implement the image display method according to the present invention, and FIGS.
The figure is an explanatory diagram showing a procedure for editing and displaying an image using the above-mentioned CT apparatus. 1...Storage device, 2a...First display memory, 2
b...Second display memory, 3...Editing work memory, 4...Trackball, 5...Keyboard, 6...Display device, 10...Selector switch, 11...・Measurement image.

Claims (1)

[Claims] 1. A storage device that stores image data collected about the diagnostic site of the subject, a plurality of display storage units that transfer and store image data between this storage device, and edit the stored images. In a CT apparatus having an editing means, an input means for inputting a command for image editing, and a display device for displaying the edited image, one of the plurality of display storage units stores an image to be displayed from now on. is sequentially transferred and displayed, a region of interest is set and cut out by an operation command from the input means, image data of the cut out region of interest is sequentially transferred to the other display storage section, and the input means is used to sequentially transfer and display the region of interest. Image display in a CT apparatus, characterized in that by setting a plurality of images in a specified location, a plurality of images are arranged side by side on the other display storage unit to form one image, and this image is displayed on a display device. Method.