JPH0612462A - Picture display device - Google Patents

Abstract

PURPOSE:To provide the picture processor by which mutual relations between spicules separated during a surgical operation and constituting spicules in an image after the operation are easily recognized between an image before the operation and that after the operation in an operation plan. CONSTITUTION:This device is provided with a picture storage device 16 where a prescribed picture is stored, a display device 17 on which the picture stored in this device 16 is displayed, a mouse 13 which specifies a part range of the picture stored in the device 16 and displayed on the device 17 and inputs this range as part data, an operation means which transforms the coordinates of part data to output partial area data, a discriminating means which discriminates part region data and spicule parts before the operation in the picture stored in the device 16 correspondingly to each other, a RAM 14 where spicule parts after the operation discriminated by the discriminating means are stored, and a discriminating and plotting means which displays a second picture as a set of spicule images from a partial region table stored in the RAM 14 and discriminates and plots these spicule images and discriminates and plots the spicule image before the operation corresponding to each spicule image after the operation out of spicules before the operation in the picture stored in the picture storage device. The operation means, the discriminating means, and the discriminating and plotting means are stored in a ROM 15 and are properly executed by a CPU 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image processing apparatus,
In particular, it relates to a bone fragment display method in a surgical plan.

[0002]

2. Description of the Related Art In a conventional surgery plan, a plan on paper based on an X-ray photograph is used. Further, in recent years, surgery planning and simulation systems using three-dimensional image processing technology have been developed. In the conventional bone fragment display method in the three-dimensional surgery simulation, the bone fragments separated during the operation between the pre-operative image and the post-operative image are not cut and separated after the simulation is completed. Also, only the image of the bone fragment was displayed.

[0003]

In the conventional bone fragment display method of three-dimensional surgery simulation, since the positions of the bone fragments separated during the surgery are not corresponded between the preoperative image and the postoperative image, the surgery is not performed. There is an inconvenience in that it is necessary for the operator of the simulation apparatus to determine the mutual relationship, from which part of the preoperative image the constituent bone fragments of the rear image are cut out and processed.

The present invention has been made in view of the above-mentioned inconvenience, and in the surgical planning, the bone fragments separated intraoperatively between the preoperative image and the postoperative image and the constituent bone fragments of the postoperative image are mutually related. An object of the present invention is to provide an image processing device that can easily grasp the relationship.

[0005]

In order to achieve the above object, an image processing apparatus of the present invention displays a first storage means for storing a predetermined image and an image stored in the first storage means. Display means, input means for specifying the part range of the image of the first storage means displayed on the display part and inputting it as part data, and computing means for converting the part data into coordinates and outputting it as partial area data. Identifying means for identifying the partial area data and the constituent partial body area of the image of the first storage area in association with each other, second storage means for storing the partial area data identified by the identifying means, and second A plurality of partial area data stored in the storage means is used as a partial area, a second image is displayed as a set of the partial areas, the partial areas are identified and drawn, and an image stored in the first storage means is displayed. Components And having a an identification drawing means for identifying draw component body area corresponding to each partial region of the region.

In the image processing apparatus according to the embodiment, the partial body region is a preoperative bone fragment display region, and the partial region is a postoperative bone fragment display region separated or cut. Is characterized by.

Further, in the above image display device, the identification drawing means may be configured to display the constituent partial body regions and the partial regions in correspondence with each other, and to display the constituent partial body regions and the partial regions in different colors. The designated partial area and the corresponding constituent partial area or the designated constituent partial area and the corresponding partial area may be configured to be displayed in black and white in reverse. The region and the corresponding constituent part region or the designated constituent part region and the corresponding partial region may be highlighted.

[0008]

With the above structure, the image processing apparatus of the present invention has the first storage means for storing a predetermined image, the display means for displaying the image stored in the first storage means, and the operator's input means for displaying. When the region range of the image of the first storage unit displayed on the means is specified and inputted as the region data, the region data is coordinate-converted by the calculating unit and output as the partial region data, and the partial region data and the first region data are output by the identifying unit. The first storage area is identified by associating it with the constituent partial body area of the image, and the partial area data identified by the identification means is stored in the second storage means. Then, the identification drawing means sets a plurality of partial area data stored in the second storage means as partial areas, displays a second image as a set of these partial areas, and draws these partial areas with identification and Of the constituent partial body areas of the image stored in the storage means, the constituent partial body areas corresponding to the respective partial areas are identified and drawn.

According to the configuration of the identification drawing means, it is possible to display the numbers of the partial body regions and the partial regions in association with each other, and to display the components of the partial regions in correspondence with each other in different colors. It is possible to perform black-and-white reverse display of the specified partial area and the corresponding constituent partial area or the designated constituent partial area and the corresponding partial area, and the designated partial area and the corresponding constituent partial area or the specified configuration. It is also possible to highlight the partial body region and the corresponding partial region.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing the configuration of an embodiment of the image display device of the present invention. In FIG. 1, reference numeral 1 is the entire image display apparatus, 11 is a CPU as a control unit for controlling the entire image display apparatus, 11 is a keyboard for inputting commands and the like necessary for operating the image display apparatus 1, and 12 is input. As a means, a pointing device such as a mouse, which can input the position, direction and movement amount (distance) by designating a specific position of the displayed image, and 14 is a second storage means. Is a memory (RAM) including a partial area table (not shown), 15 is a ROM storing program means, 16 is an image storage device as first storage means, and 17 is a display as a display device.

In this embodiment, arithmetic means for converting the coordinates of the part data input by the pointing device 12 and outputting it as partial area data, and the structure of the partial area data and a predetermined image stored in the image storage device 16. A second image as a set of the partial areas in which the partial body area is associated and identified and stored in the partial area table of the RAM 14 and the plurality of partial area data stored in the partial area table are set as the partial areas. Is displayed, and the partial areas are identified and drawn, for example, by color-coded display, and at the same time, the partial constituent areas corresponding to the partial areas of the partial object areas of the image stored in the image storage device 16 are identified and drawn. The identification drawing means and the program means are stored in the ROM 15 as a program means, and the CPU is used when the image display device is operated in the operation plan. 1 is read out and execute a timely manner from the ROM15.

FIG. 2 is a display example of pre-operative and post-operative images displayed on the display 17 in the bone fragment display of FIG. 3, which will be described later. A pre-operative image 21 and a post-operative image 25 are displayed. There is. In the head of the image 21, preoperative bone fragment images 22, 23,
.. are shown and the identification numbers are "2", "3", and "4", respectively.
Is attached to the head of the image 25, and the bone fragment images 22 ', 2
3'and 24 'are shown, and corresponding identification numbers'2','3', and '4' are similarly attached. In the present embodiment, these bone fragments are drawn by being numbered as described above, and the identification drawing means is used, for example, for the bone fragment images 22 and 22 ', blue, the bone fragment images 22 and 22', red, and the bone fragment. The images 22 and 22 'can be configured to be displayed in different colors such that the corresponding bone fragments of both (images 21 and 25) are apparently colored such as yellow, and the images of the preoperative image 21 can be displayed. A certain bone fragment image (for example, bone fragment image 22) is designated, and the corresponding bone fragment image (in the example, bone fragment image 22 ') of the post-operative image 25 is highlighted or displayed in black and white. It is also possible to specify a bone fragment image with the image 25 of the surgical image and display the corresponding bone fragment image of the post-operative image 21 in highlight or black and white. ●

FIG. 3 is a flow chart showing an operation example of the image display device 1 in which the image display device of the present invention is applied to the display of bone fragments in a surgical plan, and the partial view A is a flow chart showing the intraoperative operation. Part B is a flowchart showing the operation after the operation. The operation of the image display device 1 will be described below with reference to FIG. 1. During surgery (Fig. 3A) [Step 31] Display of preoperative image

When the operator inputs a "preoperative image display" command from the keyboard 12 and inputs an image identification code, the CPU 11 reads out a preoperative image required for a surgical plan from the image storage device 16 and displays it on the display 17. To do. [Steps 32 to 35] Input of operation site, coordinate conversion and storage

When the operator designates and specifies the necessary portion of the image with the mouse (pointing device) 13 and inputs the "cutting command" by operating the button of the mouse (step 32), the CPU 11 causes the cut bone. The label number (identification display number) '2' is issued to the piece (step 33). The region ranges of the preoperative image 21 and the postoperative image 25 of the bone fragments separated by the mouse 13 are respectively specified and input as region data, and coordinate conversion is performed by the calculating means to obtain preoperative and postoperative partial region data. (Step 3
4). Then, it is stored together with the label number in a partial area table (not shown) in a predetermined storage area of the RAM 14 (step 35). [Step 36] Identification display on preoperative image

The CPU 11 uses the identification drawing means to RAM1.
The range of the preoperative bone fragment region and the postoperative bone fragment region is read from the partial region table on 4 and displayed on the display 17 in the preoperative bone fragment region 22 and the postoperative bone fragment region 22 'together with the label number "2". To do. [Step 37] If an end command is input, the process is ended. If no end command is input, the process returns to step 32 to repeat the process. 2. Postoperatively (when identifying and displaying the preoperative bone fragment from the postoperative bone fragment (FIG. 3B)) [Step 41] Waiting for input

The preoperative image 21 is read from the image display device 16, and the postoperative image 25 is read from the partial area table of the RAM 14.
Is formed, is displayed on the display 17, and enters an input waiting loop. [Steps 42 and 43] Input of coordinates and calculation of input coordinates

When the operator designates and inputs a region on the postoperative image 25 with the mouse 13 (step 42), the CPU
Reference numeral 11 calculates the input coordinates of the region of the postoperative image by the calculating means (step 43). [Step 44] Collation of input coordinates

The partial area table is searched to check whether the input coordinates are on the bone fragment of the postoperative image (step 4).
4) If the input coordinate is on the bone fragment of the postoperative image, step 45 and subsequent steps are executed. If the input coordinate is not on the bone fragment of the postoperative image, the process returns to step 41 to continue the input waiting state. [Steps 45, 46, 47] Identification display

The corresponding label number and partial area are read from the partial area table (step 45), the label number of the bone fragment is identified from the input coordinates (step 46), and the postoperative image 25 and preoperative image on the display 17 are identified. It is displayed together with the bone fragment range at the corresponding position of 21 (step 47). 3. Postoperatively (when distinguishing the preoperative and postoperative bone fragments from the bone fragments in the preoperative image (not shown))

The processing in this case is almost the same as the above-mentioned "2. In case of post-operation (from post-operative image to pre-operative image)", and the operator operates the mouse 13 on the pre-operative image 21 in steps 42 and 43. Is designated and input, and the CPU 11 calculates the input coordinates of the portion of the preoperative image by the calculating means, and step 4
In step 4, the partial area table is searched to check whether the input coordinate is on the bone fragment of the preoperative image. If the input coordinate is on the bone fragment of the preoperative image, step 45 and the following steps are executed. If is not on the bone fragment of the preoperative image, the process returns to step 41 and the input waiting state may be continued, so the flow chart and description will be omitted.

Further, in this embodiment, a calculation means,
The identifying means and the identifying / drawing means are stored in the ROM 15 as program means, and in the surgery plan, the CPU 11 reads out from the ROM 15 and executes the image display device at a proper time during operation of the image display device. It can also be configured. Although one embodiment of the present invention has been described above, it is needless to say that the present invention is not limited to the above embodiment and various modifications can be made.

[0023]

As described above, according to the image display apparatus of the present invention, each bone fragment shown in the intraoperative view or the postoperative view is cut and assembled from which part of the preoperative view in an operation plan. It is possible to visually confirm whether or not there is an operator. In addition, as a result of excision during surgery,
It is possible to identify which part of the preoperative view belongs to a bone fragment that has been discarded.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of an image display device of the present invention.

FIG. 2 is a display example of pre-operative and post-operative images displayed on the display in the bone fragment display.

FIG. 3 is a flowchart showing an operation example of the image display device 1 in which the image display device of the present invention is applied to the display of bone fragments in a surgical plan, and a partial view A is a flowchart showing an intraoperative operation; FIG. B is a flowchart showing the operation after surgery.

[Explanation of symbols]

1 Image Display Device 13 Pointing Device (Mouse (Input Means)) 14 RAM (Second Storage Means (Partial Area Table)) 16 Image Storage Device (First Storage Means) 17 Display (Display Device) 21 Preoperative Image (Image) 25 Image after surgery (second image)

Claims (6)

[Claims] 1. A first storage means for storing a predetermined image, a display means for displaying the image stored in the first storage means, and an image of the first storage means displayed on the display means. Input means for specifying the body part range and inputting it as body part data, computing means for coordinate-converting the body part data and outputting it as partial area data, the partial area data and the first portion.
Identifying means for identifying the constituent partial body area of the image in the storage area of the image, the second storing means for storing the partial area data identified by the identifying means, and the second storing means. Multiple partial area data as a partial area,
A second image is displayed as a set of the partial areas, the partial areas are identified and drawn, and a constituent portion corresponding to each of the partial areas of the constituent partial body area of the image stored in the first storage means. An image display device, comprising: identification drawing means for identifying and drawing a body region. 2. The image processing apparatus according to claim 1,
An image display device, wherein the constituent partial body region is a preoperative bone fragment display region, and the partial region is a postoperative bone fragment display region that has been separated or cut. 3. The image processing apparatus according to claim 1,
An image display device characterized in that the identification drawing means displays numbers corresponding to the constituent partial body areas and the partial areas. 4. The image processing apparatus according to claim 1,
An image display device characterized in that the identification drawing means displays the constituent partial regions and the partial regions in association with each other in different colors. 5. The image processing apparatus according to claim 1, 3 or 4, wherein the identification drawing unit is configured to specify the specified partial area and the corresponding constituent partial area or the specified constituent partial area and the corresponding partial area. An image display device characterized by black-and-white inversion display. 6. The image processing device according to claim 1, 3 or 4, wherein the identification drawing unit is configured to specify the specified partial area and the corresponding constituent partial area or the specified constituent partial area and the corresponding partial area. An image display device characterized by performing highlight display.