JP5005979B2 - 3D image display device - Google Patents

Description

  The present invention relates to a three-dimensional image display device that displays a three-dimensional image.

  The three-dimensional image display device is a display device that displays three-dimensionally by superimposing a plurality of parts of a subject. Here, multi-object display is an example of the three-dimensional display in which a plurality of parts are superimposed and displayed. In this multi-object display, each part is cut out from the three-dimensional data, and the display conditions (opacity curve, luminance, transparency) for each part are set in advance. Based on the display conditions for each part, the parts are superimposed and displayed simultaneously.

In such a three-dimensional display device typified by multi-object display, each part is displayed in the same row, making it difficult to visually recognize each part. Therefore, in order to facilitate the visual recognition of each part, when displaying a difference in each part, it is necessary to set different display conditions for each part in advance (for example, Patent Documents). 1). In addition, in the 3D display device that displays only the attention site that the operator who is the user pays attention to, each region is displayed once, and then the non-attention area designated by the operator is cut and only the attention site is displayed. There are many cases to do.
JP 2003-36448 A

  However, in the three-dimensional display device that displays a difference in each of the above-described parts, if it is easy to visually recognize the part of interest, the display condition of each part may be set in advance so that the part of interest is conspicuous, When the operator pays attention to another part, that is, when the attention part is changed, it is necessary to reset the display condition of each part, so that the convenience for the operator is lowered.

  Further, in the three-dimensional image display device that displays only the target region described above, when changing the target region, it is necessary to perform the work again from the entire display of each region, and thus the convenience for the operator is reduced. Furthermore, since the non-attention site is not cut and displayed, it is impossible to visually recognize the positional relationship between the attention site and the non-attention site. Observation (diagnosis) of the site becomes difficult.

  The present invention has been made in view of the above, and an object of the present invention is to prevent a decrease in the convenience of the operator due to a change in the site of interest, and the positional relationship between the site of interest and the non-site of interest. It is an object of the present invention to provide a three-dimensional image display device capable of easily observing a site of interest in consideration of the above.

A feature according to an embodiment of the present invention is that, in a three-dimensional image display device, a display unit that three-dimensionally displays a plurality of parts of a subject, and a display part that displays a plurality of parts based on normal display conditions for each of the plurality of parts The display means, the first operation unit for receiving a first input operation for designating a desired part from the plurality of displayed parts, and the plurality of displayed parts in accordance with the first input operation for the first operation part Based on the means for specifying each as a part or a non-target part and the normal display condition of the specified target part, the specified target part is displayed on the display unit, and the transparency is higher than the normal display condition of the specified target part. based on the non-target site positions viewable der What the non-interest region contour only display to the transparent display condition that displays transparent the rest, of displaying a non-target site specific to the display unit That and means. When the non-target region displayed based on the transparent display condition is designated as a desired region by the first input operation on the first operation unit, the specifying unit specifies the non-target region as the target region. The part of interest that has been displayed based on the normal display condition is identified as a non-attention part, and the aforementioned display means changes the transparent display condition to the normal display condition to display the identified part of interest and normal display. change the conditions in the transparent display conditions, to display a non-interest sites identified.

  According to the present invention, it is possible to prevent a decrease in the convenience of the operator due to the change of the attention site, and it is possible to easily observe the attention site in consideration of the positional relationship between the attention site and the non-attention site. Can do.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, a 3D image display apparatus 1 according to the first embodiment of the present invention includes a control unit 2 such as a CPU (Central Processing Unit) that centrally controls each unit, and a ROM (Read Only). A memory 3 such as a memory (RAM) or a random access memory (RAM), a display unit 4 for displaying an image, an operation unit 5 for receiving an input operation from an operator, and a storage unit 6 for storing various programs and various data. The communication unit 7 performs communication with an external device. These parts are electrically connected by a bus 8.

  The control unit 2 controls each unit based on various programs and various data stored in the storage unit 6. In particular, the control unit 2 controls each unit according to an input operation on the operation unit 5 based on various programs, various data, and the like. In addition, the control unit 2 executes a series of data processing for calculating or processing various data, an image display processing for displaying an image, and the like based on various programs, various data, and the like.

  The memory 3 is a memory that stores a startup program executed by the control unit 2 and functions as a work area of the control unit 2. Note that the activation program is read and executed by the control unit 2 when the 3D image display device 1 is activated.

  The display unit 4 is a display device that displays a three-dimensional image in color, and displays a three-dimensional image in which a plurality of parts of a subject are superimposed. For example, a liquid crystal display or a CRT (Cathode Ray Tube) display is used as the display unit 4. Here, each part of the subject is, for example, each object such as the heart, lungs, stomach, bones and blood vessels. These parts are superimposed and displayed on the display screen of the display unit 4 three-dimensionally at the same time. Moreover, each part is displayed so that it can rotate, ie, can be visually recognized from all angles.

  The operation unit 5 is an input unit that is input by an operator, and is an input unit that receives a first input operation and the like for designating a desired part from each part of the subject. In particular, the operation unit 5 receives a position specifying operation for specifying the position of the part in the display area as the first input operation. For example, when the operator performs an input operation on the operation unit 5 and clicks in the display region of the part, the operation unit 5 receives the click designation and transmits an input signal to the control unit 2. In addition, the operation unit 5 receives a region specifying operation for specifying a region including a part of the display region of the part as the first input operation. For example, when the operator performs an input operation on the operation unit 5 and drags a region including a part of the display region of the part, the operation unit 5 receives the drag designation and transmits an input signal to the control unit 2. For example, an input device such as a mouse or a keyboard is used as the operation unit 5. Such an operation unit 5 functions as a first operation unit.

  The storage unit 6 is a storage device that stores various programs, various data, and the like. In particular, the storage unit 6 is a storage device that stores volume data D1 related to each part of the subject and a display condition file F1 for image display as various data. . For example, a magnetic disk device or a semiconductor disk device (flash memory) is used as the storage unit 6. Note that the volume data D1 is obtained by the medical imaging apparatus and is stored in the storage unit 6 via the communication unit 7. Further, the display condition file F1 is stored in the storage unit 6 in advance before shipping the 3D image display device 1 to the factory, or is stored in the storage unit 6 via the communication unit 7.

  The communication unit 7 communicates with an external device via a network such as a LAN (Local Area Network) or the Internet. As the communication unit 7, a LAN card, a modem, or the like is used. Examples of the external device include a database server that stores the volume data D1, a medical image photographing device, and the like. As this medical imaging apparatus, an X-ray tomography apparatus (CT), a magnetic resonance imaging apparatus (MRI), or the like is used. Note that the volume data D1 of the present embodiment is data obtained by an X-ray tomography apparatus. The volume data D1 may be stored once in the database server and then stored in the storage unit 6 via the communication unit 7 from the database server, or may be stored in the storage unit 6 via the communication unit 7 from the medical imaging apparatus. May be stored directly.

  As shown in FIG. 2, in the display condition file F1, the ON state display condition (normal display condition) is set for each part, and the OFF state display condition (transparent display condition) is set commonly for each part. ing. Display conditions include opacity curve (Opacity Curve) O, color C, luminance K, transparency T, shading value, and the like. Here, in the volume data D1, for example, the region where the CT value is in the range of 200 or more and less than 300 is the heart A, and the region where the CT value is in the range of 300 or more and less than 400 is the lung B (left lung B1 and right lung). Lung B2). Thus, each part is discriminated by the CT value.

  The display condition in the ON state is a normal display condition in which the entire part is visible. Further, the display condition in the OFF state is a transparent display condition in which the transparency is higher than the display of the target region and the position of the non-target region relative to the target region can be visually recognized. For example, the display condition in the OFF state is a transparent display condition in which only the contour of the non-target region is displayed and the other than the contour is displayed transparently. The OFF state display condition may be set based on the ON state display condition. For example, when the display condition in the OFF state is set to 30%, each value of the display condition is 30% of the display condition in the ON state.

  Next, image display processing of such a three-dimensional image display device 1 will be described. The control unit 2 of the three-dimensional image display device 1 executes image display processing based on an image display program stored in the storage unit 6.

  As shown in FIG. 3, the control unit 2 performs a display operation in which the respective parts are superimposed and displayed three-dimensionally based on the display conditions for each part of the subject, that is, the display condition file F <b> 1 recorded in the storage unit 6. Is executed on the display unit 4 (step S1). Thereby, each part, for example, heart A and lung B (left lung B1 and right lung B2) is displayed on display screen G1 of display part 4 (refer to Drawing 4).

  Thereafter, the control unit 2 determines whether or not there is a first input operation for the operation unit 5, that is, an input operation for designating a desired part (step S2), and waits for the input operation (NO in step S2). Here, the operator designates one part by performing an input operation on the operation unit 5, for example, by clicking a position in the display area of the part (see FIGS. 4 and 6). Further, the operator designates a plurality of parts by performing an input operation on the operation unit 5, for example, by clicking while pressing a Ctrl (control) key. Alternatively, the operator designates one part or a plurality of parts by performing an input operation on the operation unit 5, for example, by dragging an area including a part of the part display area (see FIG. 8).

  If it is determined that there has been an input operation (YES in step S2), a site of interest and a non-site of interest are specified according to the input operation (step S3). For example, the control unit 2 specifies a part specified by the input operation as a target part, and specifies a part other than the specified part as a non-target part. In particular, the control unit 2 determines whether or not the input operation is a position specifying operation or an area specifying operation, and specifies the part specified by the input operation as a target part according to the type of the input operation, and specifies A site other than the marked site is identified as a non-target site. That is, when it is determined that the type of the input operation is a position specifying operation, a part where the position specified by the position specifying operation is in the display area is specified as a target part, and parts other than the target part are specified as non-target parts. As specified. On the other hand, when it is determined that the type of the input operation is the area specifying operation, a part having a part of the display area within the area specified by the area specifying operation is specified as a target part, and a part other than the target part is specified. Identified as a non-target region.

  After that, the control unit 2 sets the display condition of the identified target region as the ON state display condition, and further sets the specified display condition of the non-target region as the OFF state display condition, and reproduces the 3D image again. The configured and reconstructed three-dimensional image is displayed on the display unit 4 (step S4). That is, the control unit 2 displays the attention site on the display unit 4 based on the display condition in the ON state, and further causes the display unit 4 to display the non-target region based on the display condition in the OFF state. As a result, the site of interest is displayed based on the display condition in the ON state, and the site of non-interest is displayed based on the display condition in the OFF state (see FIGS. 5, 7, and 9).

  Next, the control unit 2 determines whether or not the input operation has been completed (step S5). If it is determined that the input operation has not been completed (NO in step S5), the process returns to step S2, If it is determined that the input operation has been completed (YES in step S5), the process is terminated. Here, the operator operates the operation unit 5 to end the input operation by pressing an end button on the screen or an end button on the keyboard. The control unit 2 determines whether or not the input operation has ended according to the pressed state of those end buttons.

  In accordance with such image display processing, as shown in FIG. 4, first, each part, for example, heart A and lung B (left lung B1 and right lung B2) is displayed on the display unit 4. Thereby, a three-dimensional image as shown in FIG. 4 is displayed on the display screen G1. In this display screen G1, when the operator performs an input operation on the operation unit 5 and clicks on the heart A, the heart A is specified as a site of interest, and the lung B (left lung B1 and right lung B2) is specified as a non-site of interest. The Thereafter, the display of the heart A is maintained at the normal display, and the display of the lung B (the left lung B1 and the right lung B2) is changed to a transparent display. Thereby, a three-dimensional image as shown in FIG. 5 is displayed on the display screen G1. In FIG. 5, the whole heart A is displayed so as to be visible, and the lung B (left lung B1 and right lung B2) is displayed so that only the outline is visible. It is displayed transparently.

  Next, when a three-dimensional image as shown in FIG. 5 is displayed on the display screen G1, as shown in FIG. 6, when the operator performs an input operation on the operation unit 5 and clicks the left lung B1, the left lung B1 is specified as a site of interest, and heart A and right lung B2 are specified as non-sites of interest. Thereafter, the display of the left lung B1 is changed to a normal display, the display of the heart A is changed to a transparent display, and the display of the right lung B2 is maintained to be a transparent display. Thereby, a three-dimensional image as shown in FIG. 7 is displayed on the display screen G1. In FIG. 7, the entire left lung B1 is displayed so as to be visible, and the heart A and the right lung B2 are displayed such that only the contours are visible, and portions other than the contours of the heart A and the right lung B2 are displayed. It is displayed transparently.

  In addition, when a three-dimensional image as shown in FIG. 5 is displayed on the display screen G1, as shown in FIG. 8, the operator operates the operation unit 5 and part of the left lung B1 and the right lung B2. When the region including is dragged, the left lung B1 and the right lung B2 are specified as attention sites, and the heart A is specified as a non-target region. Thereafter, the display of the left lung B1 and the right lung B2 is changed to the normal display, and the display of the heart A is changed to the transparent display. Thereby, a three-dimensional image as shown in FIG. 9 is displayed on the display screen G1. In FIG. 9, the entire left lung B1 and right lung B2 are displayed so as to be visible, and only the outline of the heart A is displayed so that it can be visually recognized, and parts other than the outline of the heart A are displayed transparently. ing.

  In this way, the non-attention part becomes transparent, and the attention part is not hidden by the non-attention part when the attention part is viewed from any direction. Therefore, the attention part can be observed (diagnosed) from all directions. As a result, it is possible to accurately observe the site of interest. In addition, since it is possible to visually recognize the positional relationship between the non-target region and the target region, the target region can be observed in consideration of the positional relationship between the target region and the non-target region.

  As described above, according to the first embodiment, each part is specified as a target part and a non-target part in accordance with an input operation on the operation unit 5, and the ON condition display condition of the specified target part is specified. Based on the (normal display conditions), the identified attention site is displayed, and based on the OFF state display condition (transparent display condition), the identified non-attention site is displayed so that the entire attention site can be visually recognized. The non-target region is displayed with higher transparency than the display of the target region so that the position of the non-target region relative to the target region can be visually recognized. ) Can be performed accurately, and even when the site of interest is changed, there is no need to reset the display conditions of each site. It is possible to prevent. In addition, since it is possible to visually recognize the positional relationship between the target region and the non-target region, it is possible to observe the target region in consideration of the positional relationship between the target region and the non-target region. In addition, since it is possible to visually recognize the position of the non-target region, the operator can easily specify the non-target region as the target region.

  Here, since the display conditions of each part are normally set for each range of CT values, the display conditions of both parts having the same CT value, for example, the left lung B1 and the right lung B2, are the same. Become. For this reason, both the left lung B1 and the right lung B2 are normally displayed under the same display conditions, and it is difficult to set only one of the left lung B1 and the right lung B2 as the attention site, and it is difficult to observe the attention site. Become. However, according to the first embodiment, since only one of the left lung B1 and the right lung B2 can be displayed as a target region, the target region can be easily observed.

  The operation unit 5 is an input unit that receives a position specifying operation for specifying the position of the part in the display area as the first input operation, and pays attention to the part in which the position specified by the position specifying operation is in the display area. By specifying a part as a part and specifying a part other than the target part as a non-target part, for example, when the operator operates the operation unit 5 and clicks the part, the part is specified as the target part, and the other part Since it is specified as a non-attention site, the operator can easily designate the site of interest, so that convenience for the user can be improved.

  Further, the operation unit 5 is an input unit that accepts an area designating operation for designating an area including a part of the display area of the part as the first input operation. One of the display areas is included in the area designated by the area designating operation. By specifying a part with a part as a target part and specifying a part other than the target part as a non-target part, when the operator operates the operation unit 5 and drags the part, for example, the part is specified as the target part In addition, since the other part is specified as the non-target part, the operator can easily specify the target part, and the convenience for the user can be further improved. Furthermore, since it becomes possible to easily designate a plurality of parts as attention parts at the same time, the convenience for the user can be further improved.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIGS.

  In the second embodiment of the present invention, a different part from the first embodiment, that is, an image display process will be described. In addition, the same part as the part demonstrated in 1st Embodiment is shown with the same code | symbol, and the description is abbreviate | omitted.

  As shown in FIG. 10, the control unit 2 performs a display operation for superimposing the respective parts and displaying them three-dimensionally based on the display conditions for each part of the subject, that is, the display condition file F <b> 1 recorded in the storage unit 6. Is executed on the display unit 4 (step S11). Thereby, each part, for example, heart A and lung B (left lung B1 and right lung B2) is displayed on display screen G1 of display part 4 (refer to Drawing 4).

  Thereafter, the control unit 2 determines whether or not there is a first input operation on the operation unit 5, that is, an input operation for designating a desired part (step S12), and waits for the input operation (NO in step S12). Here, as in the first embodiment, the operator designates a part by performing an input operation on the operation unit 5 (see FIGS. 4, 6, and 8). In addition, as an additional operation, the operator performs an input operation on the operation unit 5, for example, by clicking while pressing a Ctrl (control) key to additionally specify a desired part (see FIG. 11). Alternatively, as an additional operation, the operator performs an input operation on the operation unit 5, for example, by dragging an area including a part of the display area of the part while pressing the Ctrl (control) key, and additionally specifying a desired part. To do.

  If it is determined that there has been an input operation (YES in step S12), it is determined whether or not the input operation is an additional operation (step S13). For example, it is determined that the input operation in a state where the attention site is specified once and then the Ctrl key is pressed is an additional operation, and the input operation in the state where the Ctrl key is not pressed is not an additional operation, It is determined that this is the designated operation. Here, the addition operation is an operation of additionally specifying a desired part.

  If it is determined that the input operation is not an additional operation (NO in step S13), the attention site and the non-target region are specified according to the input operation (step S14). For example, as in the first embodiment, the control unit 2 specifies a part specified by the input operation as a target part and specifies a part other than the specified part as a non-target part.

  After that, the control unit 2 sets the display condition of the identified target region as the ON state display condition, and further sets the specified display condition of the non-target region as the OFF state display condition, and reproduces the 3D image again. The configured and reconstructed three-dimensional image is displayed on the display unit 4 (step S15). That is, the control unit 2 displays the attention site on the display unit 4 based on the display condition in the ON state, and further causes the display unit 4 to display the non-target region based on the display condition in the OFF state. As a result, the site of interest is displayed based on the display condition in the ON state, and the site of non-interest is displayed based on the display condition in the OFF state (see FIGS. 5, 7, and 9).

  Next, the control unit 2 determines whether or not the input operation has ended (step S16). If the control unit 2 determines that the input operation has not ended (NO in step S16), the process returns to step S12. If it is determined that the input operation has ended (YES in step S16), the process ends. Note that the operator ends the input operation by operating the operation unit 5 and pressing the end button on the screen or the end button on the keyboard, as in the first embodiment. The control unit 2 determines whether or not the input operation has ended according to the pressed state of the end button.

  On the other hand, if it is determined that the input operation is an additional operation (YES in step S13), the display state of the newly designated part is determined, that is, whether or not the display of the part is a transparent display. (Step S17). At this time, the control unit 2 determines whether or not the designated part is displayed based on the display condition of the OFF state. If it is determined that the display of the designated part is a transparent display (YES in step S17), the designated part is specified as the part of interest (step S18), and the process proceeds to step S15. If it is determined that the display of the designated part is not transparent display (NO in step S17), the designated part is specified as a non-attention part (step S19), and the process proceeds to step S15. In addition, parts other than the designated part are maintained in the previous specific state, and are specified as a target part or a non-target part.

  In this way, if the additional designated part is a non-target part, the part is specified as the target part, and if the additional designated part is the target part, the part is not noticed. Identified as a site. Thereafter, the attention site is displayed based on the display condition of the ON state, and the non-target region is displayed based on the display condition of the OFF state (see FIG. 12).

  When a three-dimensional image as shown in FIG. 11 is displayed on the display screen G1 in accordance with such image display processing, the operator performs an input operation on the operation unit 5 and presses the Ctrl key while pressing the left lung. When B1 is clicked, since the left lung B1 is additionally designated as a site of interest in addition to the heart A designated as a site of interest, the heart A and the left lung B1 are identified as sites of interest, and the right lung B2 is a non-region of interest Identified as Thereafter, the display of the heart A is maintained in the normal display, the display of the left lung B1 is changed to the normal display, and the display of the right lung B2 is maintained in the transparent display. Thereby, a three-dimensional image as shown in FIG. 12 is displayed on the display screen G1. In FIG. 12, the entire heart A and left lung B1 are displayed so as to be visible, and only the contour of the right lung B2 is displayed so that it can be visually recognized, and the portions other than the contour of the right lung B2 are displayed transparently. Has been.

  As described above, according to the second embodiment, the same effects as those of the first embodiment can be obtained. In addition, the display state of the specified part is determined by determining the display state of the part specified by the first input operation, and specifying the specified part as a target part or a non-target part according to the determined display state Accordingly, the part is identified as a target part or a non-target part, and the display of the part is changed, so that it is possible to change a part designated as a non-target part once as a target part. Since it becomes possible to change the site designated as the site of interest as the non-site of interest, the convenience for the user can be further improved.

(Third embodiment)
A third embodiment of the present invention will be described with reference to FIG.

  In the third embodiment of the present invention, a part different from the first embodiment, that is, an image display process will be described. The image display process according to the third embodiment of the present invention includes a display condition setting process. In addition, the same part as the part demonstrated in 1st Embodiment is shown with the same code | symbol, and the description is abbreviate | omitted.

  As shown in FIG. 13, the control unit 2 determines whether or not there is a second input operation that is an input operation to the operation unit 5 and inputs display conditions (step S21), and waits for the input operation (in step S21). NO). Here, the operator performs an input operation on the operation unit 5 to change each display condition (display condition in the ON state or display condition in the OFF state) in the display condition file F1. The operation unit 5 is an input unit that also accepts a second input operation for inputting display conditions for image display. The operation unit 5 also functions as a second operation unit.

  If it is determined that there has been an input operation (YES in step S21), it is determined whether or not the display condition (ON state display condition or OFF state display condition) has changed (step S22), and the display condition is changed. If it is determined that there is no (NO in step S22), the process returns to step S21.

  On the other hand, if it is determined that the display condition has been changed (YES in step S22), the display condition file F1 is reset based on the change in the display condition (step S23). Thereafter, each part is displayed again on the display unit 4 based on the reset display condition file F1 (step S24). Thereby, when the display condition is changed, the display of the three-dimensional image is also changed in real time, so that the change of the display condition is immediately reflected in the three-dimensional image.

  As described above, according to the third embodiment, the same effect as that of the first embodiment can be obtained. In addition, the operator can freely change each display condition by setting the ON condition display condition or the OFF condition display condition of each part according to the second input operation to the operation unit 5. Therefore, the convenience of the operator can be further improved, and each display condition can be changed so that the site of interest can be easily observed. Can be done.

  In addition, it was determined whether there was a change in the ON state display condition for each part or a change in the OFF state display condition, and it was determined that there was a change in the ON state display condition or a change in the OFF state display condition for each part. In this case, when either one of the display conditions is changed by causing the display unit 4 to perform 3D display again, the display of the 3D image is also changed in real time, and the change of each display condition is changed in 3D in real time. Since it is reflected in the image, it becomes easy to observe the site of interest, and the site of interest (diagnosis) can be observed more accurately.

(Other embodiments)
The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention.

  For example, in the above-described embodiment, the specified part is specified as the attention part, and the part other than the specified part is specified as the non-attention part (step S3 or step S14). Instead, for example, a designated part may be specified as a non-target part, and a part other than the specified part may be specified as a target part.

  Further, in the above-described embodiment, the display condition of the identified target region is set to the display condition of the ON state, and further, the display condition of the specified non-target region is set to the display condition of the OFF state. The image is reconstructed and displayed by the display unit 4 (step S4 or step S15), but is not limited to this. For example, the display condition of the specified non-attention part is set as the display condition in the OFF state, Instead of reconstructing the three-dimensional image, the display of only the non-target region may be changed based on the set display condition.

1 is a block diagram illustrating a schematic configuration of a three-dimensional image display device according to a first embodiment of the present invention. It is explanatory drawing for demonstrating the display condition file memorize | stored in the memory | storage part with which the three-dimensional image display apparatus shown in FIG. 1 is provided. It is a flowchart which shows the flow of the image display process which the three-dimensional image display apparatus shown in FIG. 1 performs. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a flowchart which shows the flow of the image display process which the three-dimensional image display apparatus which concerns on the 2nd Embodiment of this invention performs. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a schematic diagram which shows the example of a display of the three-dimensional image displayed based on the flow of the image display process shown in FIG. It is a flowchart which shows the flow of the image display process which the three-dimensional image display apparatus which concerns on the 3rd Embodiment of this invention performs.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 3D image display apparatus 2 Control part 4 Display part 5 1st operation part (operation part)
5 Second operation unit (operation unit)

Claims (6)

A display unit that three-dimensionally displays a plurality of parts of the subject;
Means for displaying the plurality of parts on the display unit based on the normal display condition for each of the plurality of parts;
A first operation unit for receiving a first input operation for designating a desired part from the plurality of displayed parts;
Means for specifying the displayed plurality of sites as a target site or a non-target site in response to the first input operation on the first operation unit;
Based on the normal display condition of the identified site of interest, the identified site of interest is displayed on the display unit, and the transparency of the identified site of interest is higher than the normal display condition of the identified site of interest. position based on the transparent display condition you transparent display except it displays only the contour of the non-target site I viewable der, and means for displaying the identified the non-target site on the display unit,
With
When the non-target region displayed based on the transparent display condition is designated as a desired region by the first input operation on the first operation unit, the specifying unit selects the non-target region as the target region of interest. Specify as a part, specify the attention site that was displayed based on the normal display conditions as the non-attention part,
It means for the display, change the transparent display condition to the normal display conditions, the display of the specified attention site, and change the normal display condition on the transparent display condition, the non-target sites and the specific A three-dimensional image display device characterized by being displayed. The specifying means specifies, when a plurality of desired parts are designated from the plurality of parts by the first input operation on the first operation unit, those parts as attention parts. 3. The three-dimensional image display device according to 1. The specifying means specifies a part as a target part when a desired part is specified from the plurality of parts by the first input operation on the first operation unit, and specifies all parts other than the part. The three-dimensional image display device according to claim 1, wherein the three-dimensional image display device is specified as the non-attention site . The first operation unit accepts a position specifying operation for specifying a position in the display area of the part as the first input operation,
4. The three-dimensional image display according to claim 1 , wherein the specifying unit specifies the part where the position specified by the position specifying operation is in the display area as the target part. apparatus. The first operation unit receives an area specifying operation for specifying an area including a part of the display area of the part as the first input operation,
The said specifying means specifies the said site | part which has a part of said display area in the said area | region designated by the said area | region designation | designated operation as said attention site | part. 3D image display device. When the non-target region displayed based on the transparent display condition is designated as a desired region by the first input operation on the first operation unit, the specifying unit selects the non-target region as the target region of interest. When the non-target region displayed based on the transparent display condition is additionally specified as a desired region by specifying the region as an additional operation on the first operation unit, the non-target region is specified as the target region three-dimensional image display apparatus according to claim 1, 2, 3, 4 or 5, wherein that.