JP2005251075A - Medical image display method and device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily read diagnostic information from a display picture in a medical image display method and device. <P>SOLUTION: Group classification conditions for classifying image data into a plurality of groups, display items to be determined for each group and display positions on the display picture for displaying item information according to the display items are preliminarily registered in a personal computer 10 for registration, the inputted image data is classified into the registered specific groups by a classification means 20 and the item information is displayed on a display unit 40 by a display control means 30 according to the display items and the display positions determined for the specific group to which the image data belongs. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a medical image display method and apparatus, and more particularly to a medical image display method and apparatus for displaying accompanying information attached to the medical image together with the medical image.

  Conventionally, when a medical image is displayed on a display screen for diagnosis, an image of a subject is displayed and incidental information attached to the image of the subject is displayed. Examples of display items displayed as the supplementary information include patient information (name, patient ID, date of birth, etc.) and imaging information (imaging site, imaging direction, etc.), and information (items) about these display items. When (information) is displayed on the display screen, the screen frame representing the subject image is overlaid with the screen frame representing the subject image, and the subject image and the item information are simultaneously displayed on the display screen.

In the medical image device for displaying the medical image, since the display position for displaying the type of the display item and the item information corresponding to the display item is determined in advance, the display item displayed on the display screen and The display position is always the same regardless of the type of medical image to be displayed (see Patent Document 1).
JP 2000-287957 A

  By the way, in recent years, a medical system in which a plurality of medical devices having different imaging modalities and a medical image display device are used on a common network may be constructed. There is a case where it is desired to display an image of a subject and incidental information output from a medical device on the same medical image display device.

  However, if the display item type displayed by the medical image display device and the display position of the item information are the same regardless of the type of medical image, depending on the imaging region, the imaging direction, etc. The area occupied by the subject and the area where the item information in the screen frame representing the item information is overlaid are overlaid and displayed on the display screen, or the item information of interest is difficult to see on the display screen It may appear in the place. In such a case, it takes time to read the diagnostic information necessary for diagnosis from the display screen, and if the reading is difficult, for example, the overlay is canceled and the item information is hidden to display the subject image. It is necessary to read only the diagnostic information by displaying only this, and there is a problem that the efficiency of the diagnosis is lowered.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a medical image display method and apparatus capable of easily reading diagnostic information from a display screen.

  The medical image display method of the present invention includes a group classification condition for classifying image data into a plurality of groups, a display item determined for each group, and a display position on a display screen for displaying item information corresponding to the display item. Are registered in advance, and the input image data is classified into a specific group based on the registered group classification condition, and the display item defined for the specific group to which the image data belongs and the The item information is displayed according to the display position.

  The medical image display device of the present invention displays a group classification condition for classifying image data into a plurality of groups, a display item determined for each group, and a display position on a display screen for displaying item information corresponding to the display item Registration means for registering in advance, classification means for classifying input image data into a specific group based on the group classification condition, and the display item defined for the specific group to which the image data belongs And display control means for displaying the item information in accordance with the display position.

  The registration means may register the display items for each group in advance.

  The display items are items related to patient information, imaging information, display information, and the like, and mean, for example, patient name, patient ID, age, type of imaging modality, imaging site, imaging direction, imaging magnification, and the like. The item information means information indicating the specific contents of the display item. For example, the item information of the imaging modality as the display item includes CR, MR, MRI, and the like. Examples of the item information on the imaging region include the breast, the head, and the abdomen.

  The group classification condition can be determined by, for example, the area, position, and orientation in which the subject is displayed on the display screen when the image data is displayed on the display screen. The condition may be determined based on item information included in incidental information attached to image data, for example.

  Further, a method of classifying input image data into a specific group based on group classification conditions is, for example, that the image data is displayed on the display screen by item information included in the incidental information attached to the input image data. The area, position, and orientation in which the subject is displayed on the display screen can be predicted when displayed on the display screen. Therefore, the image data may be classified into a specific group based on the item information. Alternatively, when the image data is analyzed and the image data is displayed on the display screen, the area, position and orientation in which the subject is displayed on the display screen are obtained, and the image data is classified into a specific group. You may make it do.

  According to the medical image display method and apparatus of the present invention, group classification conditions, display items determined for each group, and display positions on a display screen for displaying item information corresponding to the display items are registered in advance. The input image data is classified into a specific group based on a registered group classification condition, and item information is displayed according to display items and display positions defined for the specific group to which the image data belongs. Since the item information is displayed, the item information can be displayed at an appropriate place on the display screen, and the area where the subject is displayed and the area where the item information is displayed overlap on the display screen as in the past. Easily read information necessary for diagnosis from the display screen without being displayed or being displayed in places where it is difficult to see the item information It can be.

  In addition, if display items are registered in advance for each group, the item information about the display item of interest is displayed at an easily viewable position on the display screen for each registered group. Non-display items can be hidden or displayed at inconspicuous positions on the display screen, and information necessary for diagnosis can be more easily read from the display screen.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of an embodiment of the medical image display apparatus of the present invention, FIG. 2 is a diagram showing a screen for group classification condition registration, and FIG. 3 is a screen for registering group classification conditions. FIG. 4 is a diagram showing a screen for registering display items determined for each group, FIG. 5 is a diagram showing a screen for registering display positions, and FIG. 6 is represented by item information screen frame data. FIG. 7 is a diagram showing an image represented by subject screen frame data, FIG. 8 is a diagram showing an image represented by composite video data, and FIGS. 9 and 10 are image data classified into default groups. It is a figure which shows the example of the produced | generated synthetic video data.

  A medical image display device according to an embodiment of the present invention displays a group classification condition for classifying image data into a plurality of groups, a display item determined for each group, and item information corresponding to the display item. The registration personal computer 10 which is a registration means for previously registering the display position above, the classification means 20 for classifying the input image data into a specific group based on the group classification condition, and the image data Display control means 30 for displaying item information according to the display item and display position determined for a specific group to which the image belongs and a display 40 for displaying an image or the like created based on the image data. . The image data is input to the classification means 20 with accompanying data representing the accompanying information including item information.

  The registration personal computer 10 includes a display 11 for displaying information for registering the group classification condition, display item, and display position, a mouse 12 used for the registration operation, and the registered group classification. A storage unit 13 is provided for storing display items and display positions.

  When the classification means 20 inputs the auxiliary data together with the image data, the classification means 20 compares the content of the item information in the input auxiliary data with the group classification condition registered in the personal computer 10 and compares the image data with a specific group. The group flag indicating the specific group is attached to the incidental data, and the incidental data to which the group flag is attached and the image data are output to the display control unit 30.

  When the supplementary data and the image data are input, the display control means 30 refers to the storage unit 13 of the personal computer 10 based on the group flag attached to the supplementary data, and assigns the specific group indicated by the group flag. The registered display item and the display position on the display screen for displaying the display item are input from the storage unit 13. Then, based on the image data, subject screen frame data representing the subject image (hereinafter referred to as subject screen frame) is created, and item information screen frame data representing the image in which the item information is displayed at the display position (hereinafter referred to as the subject screen frame data). Display screen 41 of the display 40 as a medical image for diagnosis as a composite medical image frame data (hereinafter referred to as a composite screen frame) created by combining the subject screen frame and the item information screen frame. Display above.

  Next, the creation of the composite screen frame will be described in detail.

  First, registration of group classification conditions, display items, and display positions by the registration personal computer 10 will be described.

  The registration personal computer 10 is activated to call a group classification condition registration screen, and a screen G1 (group A classification) is displayed on the display 11 as shown in FIG. Condition registration screen) is displayed. For example, when an imaging modality in the item list H1 is selected by operating the mouse 12, the list H1 'of selection items is dropped down and CR, CT, and MRI are displayed as shown in FIG. By doing so, one of the classification conditions of group A is registered. In this way, modality: CR, imaging region: left breast, and imaging direction: oblique are registered as group A classification conditions. When the group A classification condition registration is completed, the group selection drop-down button J1 in the screen G1 is clicked to select the group B, and the screen is updated to the group B classification condition registration screen. In this way, modality: CR, imaging region: left breast, imaging direction: top and bottom are registered as group B classification conditions, and then modality: CR, imaging region: right breast, imaging direction: diagonally as group C classification conditions. Finally, modality: CR, imaging region: right breast, imaging direction: top and bottom are selected and registered as classification conditions for group D, and registration of group classification conditions is completed.

  Next, a display item registration screen for registering display items to be displayed on the display screen 41 is called. As shown in FIG. 4, the display items defined for each of the four groups are registered by operating the mouse 12 from the display item list H <b> 2 displayed on the called display item registration screen G <b> 2. For example, a display item determined for the group A is selected and registered from the display item list H2 by a double click operation of the mouse 12.

  Thereby, for the group A, the patient name, patient sex, patient ID, patient date of birth, photographing date, photographing direction, photographing modality, photographing part, photographing condition, and display magnification are registered as display items. Next, the group B is selected by clicking the group selection drop-down button J2 in the screen G2, and the display items of the group B are registered by the same operation as described above. Subsequently, display items are also registered for groups B, C, and D by the same operation as described above.

  Next, a display position registration screen for registering the display position of the item information corresponding to the display item to be displayed on the display screen 41 is called.

  As shown in FIG. 5, on the left side of the called display position registration screen G3 (registration screen for group A), registered display items already registered for the group A (patient name, patient name, A list H3 of patient sex, patient ID, patient date of birth, photographing date, photographing direction, photographing modality, photographing part, photographing condition, display magnification) is displayed, and the display position is displayed on the right side of the display position registration screen G3. An entry zone E for designating is shown. The entry zone E in the screen G3 is assumed to be a display screen that displays item information corresponding to the display item, and the display items in the list are entered into the entry zone assuming the display screen by operating the mouse 12. The display position of item information to be displayed on the display screen can be registered by dragging and dropping to a desired position. Thereby, for group A, item information corresponding to display items (patient name, patient gender, patient ID, patient birth date, photographing date, photographing direction, photographing modality, photographing part, photographing condition, display magnification) is displayed. The display position to be displayed is registered. Next, the group selection drop-down button J3 in the screen G3 is clicked to select the group B, and the display position of the item information corresponding to the display item registered in the group B is registered by the same operation as described above. Subsequently, the display positions are registered for the groups B, C, and D by the same operation as described above.

  With the above operation, registration of the group classification condition, display item, and display position by the registration personal computer 10 is completed.

  After the registration is completed, the image data is input to the classification unit 20 from the outside along with the accompanying data. However, the image carried by the input image data is the left breast, and the item information included in the supplementary data includes patient name: Hanako Fuji, patient gender: female, patient ID: 1234567890, patient birth date : 1968.10.24 raw, shooting date: May 24, 2001, shooting direction: oblique, shooting modality: CR, shooting site: left breast, shooting conditions: tube voltage 26 kV, tube current 90 mA, breast thickness 29 mm, display magnification 70% is there.

  The classification means 20 compares the item information included in the input incidental data with the group classification conditions registered in the personal computer 10, and the image data is classified into group A classification conditions (modality: CR, imaging region: When it is confirmed that the left breast is applied to the imaging direction (diagonal), a group flag FA indicating that this image data is classified into group A is attached to the incidental data, and display control of the image data and the incidental data is performed. It is output to the means 30.

  The display control means 30 inputs the image data and the accompanying data, and refers to the group A with reference to the storage unit 13 of the personal computer 10 based on the group flag FA attached to the accompanying data. An item information screen frame representing an image as shown in FIG. 6 is inputted, in which information on registered display items and display positions is inputted, and item information in the accompanying data is displayed at a predetermined display position based on the position information. create. Further, the display control means 30 creates a subject screen frame representing an image of the subject as shown in FIG. 7 based on the image data together with the creation of the item information screen frame.

  Thereafter, the display control unit 30 combines the created subject screen frame and the item information screen frame to create a composite video frame in which the subject image and the item information are superimposed as shown in FIG. And output to the display 40.

  The display device 40 having received the composite video frame converts the composite video frame into a video signal and displays it on the display screen 41 of the display device 40 as a medical image for diagnosis.

  If the image data input to the classification means 20 with accompanying data does not match any of the group A classification conditions to the group D classification conditions, a default flag FF is added to the auxiliary data. The image data and the auxiliary data are output from the classification means 20, and the display control means 30 that has input the image data and the auxiliary data displays the display items stored as default in the storage unit 13 of the personal computer 10 and the display items. Information on the display position of the item information with respect to the display item is input, and based on these information, a composite video frame is created and output to the display 40 as described above. The display device 40 having received the composite video frame converts the composite video frame into a video signal and displays it on the display screen 41 of the display device 40 as a medical image for diagnosis.

  The display screen displayed in this way may be a display when the abdomen shown in FIG. 9 is imaged by CT, or a display when the chest shown in FIG. Item information relating to the same display item is displayed at the same position.

  In the above embodiment, the display items for each group are registered in advance in the registration personal computer, which is a registration means. However, the display items need to be registered in advance. In addition, it is possible to obtain an effect that information necessary for diagnosis can be easily read from the display screen without providing a display item registration unit.

  Moreover, you may make it equip the said embodiment with the following functions 1-14.

1. The drag-and-drop source information is a function that allows temporal information other than patient information, imaging information, etc., for example, image processing parameters to be registered as item information.

2. 2. Function for enabling designation of prefix (characters before item information: for example, shooting date :) and suffix (characters after item information: for example, mA,%) for item information to be displayed Function example that enables conversion processing according to the characteristics of item information 1: In the case of numerical information, the value divided by 10 is displayed. Example 2: In the case of date, the date format can be specified (for example, 25 Jan. 2001)
Example 3: In the case of time, display 12 hours / 24 hours, etc. Example 4: Special changes Gender M → Male, F → Female 4. Function to specify character font (size, type, color, special form (bag character etc.) etc.) (whole, individual or both) 5. A function that automatically reduces or hides fonts when characters overlap when the window is small, etc. A function that allows the background of characters to be filled or transparent. 7. A function that makes it possible to specify the maximum character length for each item information. 8. A function of filling in and displaying blanks in characters included in item information 9. A function to pack and display the next item information when there is no item information corresponding to the display item. 10. Left information is left-justified, right-side information is right-justified, upper-side information is right-justified, and lower-side information is bottom-justified. A function that allows a priority to be specified when searching for a group (for example, CR left breast is registered in the group classification condition with the highest priority, and other CR images are registered in the group classification condition with a lower priority) Possible)
12 Function for enabling display / non-display of item information during image display13. 13. When displaying a small window for displaying an enlarged image (for example, an enlarged display of a CAD detection image), hide item information overlapping this window. Function for allowing item information to be used as it is during hard copy As described above, according to the present invention, item information can be displayed at an appropriate position on the display screen, and information necessary for diagnosis can be easily read from the display screen. be able to.

The figure which shows schematic structure of the medical image display apparatus by embodiment of this invention. The figure which shows the screen for group classification condition registration The figure which shows a mode that the classification condition of a group is registered The figure which shows a mode that the display item defined for every group is registered The figure which shows the screen for display position registration The figure which shows the image represented by the item information screen frame data Diagram showing subject screen frame data The figure which shows the picture which the synthetic picture data represents The figure which shows the example of the synthetic | combination video data of the image data classified into the default group The figure which shows the example of the synthetic | combination video data of the image data classified into the default group

Explanation of symbols

10 personal computer for registration 20 classification means 30 display control means

Claims (4)

A group classification condition for classifying image data into a plurality of groups and a display position for each group on a display screen for displaying item information according to display items are registered in advance.
Classify the input image data into a specific group based on the registered group classification condition,
A medical image display method, wherein the item information is displayed according to the display item and the display position that are determined for a specific group to which the image data belongs. The medical image display method according to claim 1, wherein the display item is registered in advance for each group. Registration means for registering in advance a group classification condition for classifying image data into a plurality of groups and a display position for each group on a display screen for displaying item information according to display items;
Classification means for classifying the input image data into a specific group based on the group classification condition;
A medical image display device comprising: a display control unit configured to display the item information according to the display item and the display position defined for a specific group to which the image data belongs. 4. The medical image display apparatus according to claim 3, wherein the registration unit registers the display items for each group in advance.

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