JP6009180B2 - Medical image display system - Google Patents

Description

  The present invention relates to a medical image display technique.

  In recent years, the digitization of medical data has progressed, but the amount of image data taken by a medical device for one patient has increased, and there is a mechanism for efficiently using a large amount of digitized image data for diagnosis. It has been demanded.

  In medical institutions such as hospitals, an image management system called PACS (Picture Archiving and Communication System) that can store and manage digitized medical image data and exchange it on an online network is generally used. is there. Image data exchanged by PACS is standardized with DICOM (Digital Imaging and Communication in Medicine) as its format. Patent Document 1 discloses a medical image management system using a PACS server that manages images in the DICOM standard format and the image display thereof.

JP2011-212094

  However, in the above-described technology, the environment of actual interpretation (diagnosis based on medical images), for example, the characteristics of the monitor to be used may vary depending on medical personnel such as doctors and nurses. There is no denying the possibility that a different diagnosis will be made.

  The present invention has been made in view of the above problems, and an object thereof is to perform a more suitable image display according to an image confirmation environment.

To achieve the above object, for example, as one embodiment of the present invention, through the server holding the medical image data, and the interpretation terminal device connected via a network to the server, the network to the server connection A medical image display system including the read terminal device, wherein the interpretation terminal device includes an interpretation display unit, the browse terminal device includes a browse display unit, and the server stores medical image data stored therein. An image processing unit that performs image processing, and the interpretation terminal device transmits diagnostic environment information including information on an image display environment at the time of diagnosis using the medical image displayed on the interpretation display unit to the server, Holds the diagnostic environment information received together with the diagnostic object image data, and the browsing terminal device relates to the performance or characteristics of the browsing display unit of the browsing terminal device When the diagnosis terminal display mode is selected in the browsing terminal device, the server holds the received information on the performance or characteristics of the browsing display unit of the browsing terminal device first. Compared with the information on the performance or characteristics of the interpretation display unit of the interpretation terminal device that has been, if the performance or characteristics of the browsing display unit is the same as or better than the performance or characteristics of the interpretation display unit, The image processing unit transmits image data subjected to image processing according to the diagnostic environment information to the browsing terminal device, and when the diagnostic display mode is not selected and when the diagnostic display mode is selected. When the performance or characteristic of the browsing display unit is inferior to the performance or characteristic of the interpretation display unit, the image processing unit is an image according to information on the performance or characteristic of the browsing display unit. The image data subjected to physical, may be configured to transmit to the viewing terminal device.

  According to the present invention, it is possible to more suitably display a medical image.

It is a figure which shows an example of the medical image display system which is Example 1 of this invention. It is a figure explaining an example of the relationship of the display bit of image data and the interpretation terminal in Example 1 of this invention. It is an example of the flowchart which shows the process of the PACS server in Example 1 of this invention. It is a figure explaining the area modulation which is an example of the multi-gradation processing in Example 1 of this invention. It is a block diagram which shows an example of the dynamic range compression process in Example 1 of this invention. It is a figure which shows an example of the medical image display system which is Example 2 of this invention. It is an example of the flowchart which shows the process of the PACS server in Example 2 of this invention. An example of the medical image display service form which is Example 3 of this invention is shown. It shows another form of Example 3 of the present invention.

  FIG. 1 is a diagram illustrating an example of a medical image display system that is Embodiment 1 of the present invention.

  In FIG. 1, 1001 is a radiographing / interpreting doctor, 1002 is image data, 1003 is a PACS server, 1004 is image data, 1005 is information on a monitor 1007 (example: EDID data), 1006 is an interpreting doctor, and 1007 is a monitor. An imaging device such as CT or MRI operated by the imaging / interpretation doctor 1001 captures a medical image. A first information processing apparatus (photographing equipment side terminal device) having a display unit connected to the photographing device acquires a photographed image from the photographing device and displays it on the display unit. The imaging / reading doctor 1001 confirms the image of the display image. The imaging device or the information processing apparatus is connected to the network, and transfers the image data 1002 of the captured image to the PACS 1003 server via the network. The transferred image data is recorded and held in the storage unit of the PACS 1003 server.

Next, the second information processing apparatus connected to the monitor 1007 operated by the interpretation doctor 1006 acquires the image data 1004 from the PACS 1003 server. The monitor 1007 displays the image data 1004 acquired by the second information processing apparatus from the PACS 1003 server. Interpretation doctor 1006 makes a diagnosis based on the image displayed on monitor 1007. In Embodiment 1 of the present invention, in acquiring image data, the second information processing apparatus transmits information 1005 of the monitor 1007 to the PACS server 1003 via the network. Here, the PACS server 1003 processes the image according to the information 1005 and transmits the image data 1004 to the second information processing apparatus. It is also possible to configure the reading shadow terminal on the monitor 1007 alone. Or monitor 1007 and the second information processing apparatus may be configured to read the shadow terminal together.

  The interpretation terminal information 1005 is information relating to the monitor 1007, and includes information relating to characteristics and performance, for example. As the interpretation terminal information 1005, for example, EDID (Extended Display Identification Data) may be used. EDID is data developed by VESA (Video Electronics Standards Associatio) that includes information on video that can be displayed or input by the video display device, manufacturer information, product information, etc. It is written in the internal ROM. In this embodiment, displayable bit information (display gradation performance information) of the monitor is used as an example of EDID. For example, as shown in FIG. 2, the displayable bit accuracy (a) and image data (corresponding to the image data held in the PACS server 1003 in FIG. 1) of the interpretation terminal 2002 (corresponding to the monitor 1007 in FIG. 1) If the bit accuracy (b) of the image data is different and (a) is lower than (b), the upper bits of the image data are generally deleted, and an image with lost contrast in the high gradation area is displayed. The In the conventional DICOM standard, the center point (WL: Window Level) and extraction width (WW: Window Width), which is called windowing processing, are determined, and the pixel data within the range is linearly monitored. Although it is possible to perform conversion processing for rounding up to the gradation expression that can be displayed above, the above-mentioned WL and WW are slightly different for the interpreter in that they must be set by the interpreter themselves through the second information processing apparatus. There is a load. Moreover, there is a possibility that the contrast of the entire image is lowered due to the linear rounding process.

  On the other hand, a flowchart showing processing on the PACS server side in the present embodiment will be described with reference to FIG. The PACS server receives the display bit (gradation) information in the EDID data from the interpretation terminal (3001) and compares it with the bit (gradation) information of the image data. In step 3002), the image data is directly transmitted to the interpretation terminal (3006). If the gradation of the image data is smaller than the gradation of the display bit information in the EDID data, the image data is subjected to multi-gradation processing (3005) and transmitted to the interpretation terminal (3006). When the gradation of the display bit information in the EDID data is smaller than the gradation of the image data, the image data is subjected to dynamic range compression processing (3004) and transmitted to the interpretation terminal (3006).

  FIG. 4 is a diagram illustrating area modulation, which is an example of multi-gradation processing. Various methods exist as the multi-gradation processing. In this embodiment, an example using the area modulation technique will be described. This method uses the fact that the brightness perceived by the human eye changes as the area of the light source changes. Specifically, the number of gradations that can be expressed by one pixel is increased by inputting a video signal in units of sub-pixels constituting one pixel. In general, since the three sub-pixels are approximately equal in size, as shown in FIG. 4, it is possible to express different gradations of three patterns with one pixel.

  According to the above processing, when the gradation of the display unit on the interpretation terminal side is larger than the gradation of the image data, by performing multi-gradation processing on the image data in the PACS server and transmitting it to the interpretation terminal, A display that maximizes the performance of the display unit of the interpretation terminal can be realized.

  FIG. 5 is a block diagram illustrating an example of dynamic range compression (DRC) processing. In FIG. 5, 5001 is a low-pass filter unit, 5002 is a division unit, 5003 is a gain adjustment unit, and 5004 is a multiplication unit. Various methods exist as the dynamic range compression processing. In this embodiment, a method applying Retinex theory is used. According to Retinex theory, the light that enters the human eye is determined by the product of the reflected light of the object and the illumination light. Furthermore, since the human eye shows a strong correlation with the reflected light, if only the dynamic range of the illumination light component is narrowed, the dynamic range can be compressed while maintaining high contrast. Specific processing is performed as follows.

  When the input wide dynamic range image data is I, the reflected light component is D, the illumination h light component is L, and the dynamic range compressed image data is L ′, the following equation holds.

I = L * D (Equation 1)
I '= L' * D (Equation 2)
From Equation 1 and Equation 2,
I '= (L' / L) * I (Equation 3)
FIG. 5 is a block diagram of Equation 3. In many cases, the illumination light component changes gently. Therefore, the illumination light component can be extracted by the low-pass filter 5001. A reflected light component is obtained by dividing the extracted illumination light component into an input image 5002. The illumination light component is subjected to dynamic range compression by a gain adjusting unit 5003 and multiplied by the reflected light component 5004. Thus, by compressing only the illumination light component while maintaining the reflected light component, it is possible to obtain a high-contrast image with a relatively narrow dynamic range.

  According to the above processing, when the gradation of the display unit on the interpretation terminal side is smaller than the gradation of the image data, the PACS server performs dynamic range compression processing while maintaining high contrast and then converts the gradation to the interpretation terminal. By transmitting, it is possible to display an image with higher contrast than the conventional display on the display unit of the interpretation terminal.

  Here, the multi-gradation processing or the dynamic range compression processing is performed by an image processing unit provided in the PACS server. Here, the image processing unit may be configured by hardware such as an FPGA (Field-Programmable Gate Array) or an ASIC (Application Specific Integrated Circuit) that is mounted on a device constituting the PACS server. Moreover, the structure which performs the software using CPU or GPU in the apparatus which comprises a PACS server may be sufficient. Alternatively, either hybrid execution using both of them may be used.

  In the above description, the example using the EDID gradation information for the display unit of the interpretation terminal has been described. However, the present invention is not limited to this. An example of using other information about the display unit of the interpretation terminal will be described below.

  (1) Resolution change processing (for example, high-definition processing such as super-resolution) may be performed on the PACS server side using resolution information about the display unit of the interpretation terminal. (2) Color management processing (image chromaticity change processing) may be performed on the PACS server side using color gamut information (for example, displayable color gamut performance information) about the display unit of the image interpretation terminal. (3) FRC (Frame Rate Conversion) processing may be performed on the PACS server side using frame rate information about the display unit of the interpretation terminal.

  As described above, according to the medical image display system of the first embodiment of the present invention, information on the display unit of the image interpretation terminal held by the image interpretation terminal is transferred and used for image processing on the PACS server side. It is possible to display a more suitable image for interpretation without imposing a load on the user.

  FIG. 6 is a diagram illustrating an example of a medical image display system that is Embodiment 2 of the present invention.

  In FIG. 6, the same elements as those shown in FIG. 1 are denoted by the same reference numerals, and the description thereof is omitted.

  In the second embodiment, information on an interpretation environment (for example, information on an image display environment at the time of diagnosis and diagnosis) that has been interpreted by a clinician (diagnosis using a medical image) is received from the interpretation terminal together with image data. Sent to the PACS server and stored in the storage unit of the PACS server. As a result, even in other interpretation environments, image confirmation can be performed in a situation as close as possible to the above-described environment. Note that the interpretation environment information may be referred to as diagnostic environment information.

  Hereinafter, the operation of parts different from those of the first embodiment will be described.

  In FIG. 6, reference numeral 6001 denotes image data including interpretation environment information. Reference numeral 6004 denotes a browsing terminal (monitor) connected to the PACS server via the network. Reference numeral 6005 denotes other doctors and nurses who browse images stored in the PACS server via the browsing terminal. 6002 is image data, and 6003 is information (for example, EDID data) on the monitor 6004 of the viewing terminal. Note that the viewing terminal may be configured by the monitor 6004 alone. Alternatively, the viewing terminal may be configured by integrating the monitor 6004 and the information processing apparatus connected to the monitor 6004.

  Hereinafter, a case where the interpretation environment information 6001 includes the gradation information of the interpretation terminal 1007 will be described as an example. Specifically, for example, for each image, DICOM shows the interpretation (diagnostic) completed / not completed, the number of gradations of the interpretation terminal, the image processing contents at the time of interpretation (no / DRC processing / multi-gradation processing), and the name of the interpreter What is necessary is just to comprise so that it may write in the extension area | region of a header. Regarding image processing contents, it is conceivable to perform a plurality of processes on the server side. In this case, by adding header information, the contents can be recorded even if the types of processing increase.

  Fig. 7 shows how image data sent from the interpretation terminal 1007 to the PACS server and stored in the PACS server 1003 (with interpretation environment information 6001 added) is connected to the PACS server 1003 via the network. 6 is an image transmission flowchart on the PACS server side when another doctor or nurse 6005 browses using the browsed terminal 6004.

  First, the PACS server 1003 receives the EDID information 6003 of the browsing terminal 6004 browsed by other doctors and nurses 6005 via the network (7001). Before and after this, information for identifying the browsing target image is received from the browsing terminal 6004. Note that the EDID information of the monitor of the image interpretation terminal 1007 is transmitted to the image interpretation terminal 1007 before image data is transmitted from the image interpretation terminal 1007 to the PACS server 1003, for example. The PACS server 1003 holds this and can be used for the following processing. Next, among the image data stored in the PACS server 1003, the header of the image data identified as the browsing target image is read and analyzed (7002). If the diagnosis has been completed, a message to that effect is displayed (not shown), and whether or not the diagnosis display mode is to be selected is selected (7003). The selection can be realized, for example, by transmitting instruction information or display information for performing display for prompting the selection to the viewing terminal and transmitting the selection result input to the viewing terminal 6004 to the PACS server 1003. In addition, whether or not to select the display mode for diagnosis when browsing a diagnosed image is set in advance via the browsing terminal 6004, and the setting information is stored in the PACS server. May be.

  Here, when the result of the selection (7003) is negative (no display at the time of diagnosis), according to the first embodiment, image data 6002 more suitable for the environment of the viewing terminal 6004 is transmitted (7004, 7006). Thereby, a more suitable image display can be provided in the browsing terminal.

  When the result of the selection (7003) is the display mode during diagnosis, the PACS server 1003 compares the display performance or display characteristics (the number of gradations in this example) between the viewing terminal 6004 and the interpretation terminal 1007 (7007). The comparison may be performed based on the EDID information received from each. When both are the same, and when the number of gradations of the browsing terminal 6004 is larger than the number of gradations of the interpretation terminal 1007, image processing performed at the time of diagnosis display described in the interpretation environment information 6001 stored in the header To transmit the image data 6002 to the viewing terminal 6004 (7005, 7006). In addition, when the number of gradations of the browsing terminal 6004 is smaller than the number of gradations of the interpretation terminal 1007, it is implemented together with information for displaying that the strict diagnosis display mode is not possible (not shown). The image data 6002 after image processing (such as DRC) suitable for the environment of the viewing terminal 6004 as disclosed in Example 1 is transmitted to the viewing terminal 6004 (7004, 7006).

  As described above, according to this embodiment, doctors and nurses using other terminals confirm the same image with the same or closer image quality as the image displayed on the terminal when the doctor made a diagnosis. can do. This can be expected to strengthen the evidence for diagnosis, improve the level of information sharing among doctors, and contribute to quantification of diagnosis.

  In addition, as the interpretation environment information stored in the PACS server 1003 together with the image, a plurality of images may be written per image. Further, the interpretation environment information of a plurality of doctors may be stored as diagnosis data of Doctor A and diagnosis data of Doctor B, respectively.

  Also, the recording information in the DICOM header is not limited to gradation information such as DRC processing and multi-gradation processing. An example of using other information about the display unit of the interpretation terminal will be described below.

  (1) When resolution change processing (for example, high resolution processing such as super-resolution) is possible in the PACS server 1003, for example, the resolution information of the interpretation terminal is recorded in the header, and further, as the image processing content during interpretation The presence / absence and type of resolution change processing may be recorded. In this case, the processing when browsing images from the browsing terminal can be explained by changing the description of FIG. 7 as follows. In the comparison of display performance or display characteristics between the viewing terminal 6004 and the interpretation terminal 1007 (7007), the resolution performance may be compared. When both are the same and when the resolution of the viewing terminal 6004 is higher than the resolution of the interpretation terminal 1007, the image processing performed at the time of diagnosis described in the interpretation environment information 6001 stored in the header is executed. The image data 6002 is transmitted to the viewing terminal 6004 (7005, 7006). In addition, when the resolution of the browsing terminal 6004 is lower than the resolution of the interpretation terminal 1007, the environment of the browsing terminal 6004 is displayed together with information for displaying that the strict diagnosis display mode is not possible (not shown). Thus, the image data 6002 after suitable image processing (such as resolution reduction processing) is transmitted to the viewing terminal 6004 (7004, 7006).

  (2) If color management processing is possible in the PACS server 1003, for example, the color gamut information of the interpretation terminal is recorded in the header, and the presence / absence and type of color management processing is recorded as the image processing content during interpretation. That's fine. In this case, the processing when browsing images from the browsing terminal can be explained by changing the description of FIG. 7 as follows. In the comparison of display performance or display characteristics (7007) between the viewing terminal 6004 and the interpretation terminal 1007, the displayable color gamut performance may be compared. When both are the same, and when the color gamut that can be displayed on the viewing terminal 6004 is wider than the color gamut that can be displayed on the interpretation terminal 1007, the display at the time of diagnosis described in the interpretation environment information 6001 stored in the header The performed image processing is executed, and image data 6002 is transmitted to the viewing terminal 6004 (7005, 7006). Further, when the color gamut that can be displayed on the viewing terminal 6004 is narrower than the color gamut that can be displayed on the image interpretation terminal 1007, a display (not shown) indicating that the strict diagnosis display mode is not possible is performed. Along with the information, image data 6002 after image processing (color management processing, etc.) suitable for the environment of the viewing terminal 6004 is transmitted to the viewing terminal 6004 (7004, 7006).

  (3) Also, if FRC processing is possible in the PACS server 1003, for example, the frame rate information of the interpretation terminal is recorded in the header, and the presence / absence and type of color management processing is recorded as the image processing content during interpretation Good. In this case, the processing when browsing images from the browsing terminal can be explained by changing the description of FIG. 7 as follows. In comparison of display performance or display characteristics (7007) between the viewing terminal 6004 and the interpretation terminal 1007, the frame rate performance may be compared. When both are the same, and when the frame rate of the viewing terminal 6004 is higher than the frame rate of the interpretation terminal 1007, the image processing performed at the time of diagnosis described in the interpretation environment information 6001 stored in the header is executed. Then, the image data 6002 is transmitted to the viewing terminal 6004 (7005, 7006). In addition, when the frame rate of the viewing terminal 6004 is lower than the frame rate of the interpretation terminal 1007, the viewing terminal 6004 is displayed together with information for displaying that the strict diagnosis display mode is not possible (not shown). The image data 6002 after image processing (such as FRC processing for reducing the frame rate) suitable for the environment is transmitted to the viewing terminal 6004 (7004, 7006).

  In the above example, 6001 is described as image data including interpretation environment information. However, when the image data is originally transmitted from the PACS server 1003 to the interpretation terminal information 1005 as in the first embodiment and the same image data is held in the PACS server 1003, the image data is transmitted. The interpretation environment information and the identification information for identifying the target image data may be transmitted. In this case, the PACS server 1003 uses the received identification information to identify the image data of the target image from the image data held in the storage unit, and further stores the received interpretation environment information in the header of the image data of the target image. That's fine. If transmission of image data is omitted in this way, the amount of data transmitted and received is reduced, and more efficient and high-speed processing can be expected as the entire system.

  As described above, according to the medical image display system of the second embodiment of the present invention, the same image can be displayed on other viewing terminals with the same or closer image quality as the image displayed on the interpretation terminal at the time of interpretation. Thus, more suitable medical images can be displayed.

  FIG. 8 shows an example of a medical image display system according to Embodiment 3 of the present invention.

  According to the present embodiment, it is possible to construct an optimal interpretation environment in various device terminals and environments by collectively managing image data and image processing on the cloud.

  In FIG. 8, 8001 is a cloud computing main body, and 8002 to 8006 are client terminals connected to the cloud.

  The cloud computing 8001 has all the functions of the PACS server described in the first and second embodiments. Specifically, a server similar to the PACS server described in the first and second embodiments may be provided on the cloud computing 8001. Or you may provide the server group which distributes the function of the PACS server demonstrated in Example 1, 2 by the some server. Each client-side device 8002 to 8006 (at least a device having a display unit or a device connected to a display device) connects to the cloud and requests image data. The cloud side 8001 receives the respective EDID information transmitted from the client devices 8002 to 8006. Next, the header information of the requested image data is analyzed, and for example, the more suitable image processing described in the first embodiment or the second embodiment is automatically performed. The image data after image processing is transmitted to each client terminal.

  In the present embodiment, the cloud itself is assumed to be a large scale across regions, but is not limited thereto, and may be private such as in a hospital. For example, in this case, as shown in FIG. 9, the system configuration may be such that EDID information of monitors of a plurality of client devices in a hospital is previously stored as table information in a storage on the cloud side. As for the table information, when the in-hospital monitor accesses the image data on the cloud (for example, when connecting for the first time), the EDID information may be transmitted and recorded in the storage on the cloud side. Once accessed, the information is stored in the storage on the cloud side, so there is no need to send and receive EDID information again. Here, the installation location of the client device (monitor) may be stored together with the EDID information as in the table information shown in the figure. In this case, in the second embodiment, when the strict diagnosis display mode is not possible on the monitor of the client device currently being browsed, information on the monitor locations of other client devices capable of the diagnosis display mode in the vicinity. Can be transmitted from the cloud side to the currently browsed client device and presented to the user via the monitor.

  Development of telemedicine is indispensable in order to efficiently provide highly accurate medical care with a small number of doctors in response to an increase in the medical population toward an aging society in the future. According to the medical image display system of Embodiment 3 of the present invention described above, more suitable image display is possible in various environments. In addition, it is possible to provide an image display state with the same or closer image quality among a plurality of sites. Thereby, it can contribute to the improvement of medical quality.

  Note that the terminal devices and servers described in the above embodiments include a wired or wireless network interface that transmits information to the network and receives information from the network.

1001 Radiographing doctor, 1002 Image data, 1003 PACS, 1004 Image data, 1005 EDID data, 1006 Interpretation doctor, 1007 Monitor,
2001 Image data, 2002 Interpretation terminal,
5001 Low-pass filter section, 5002 division section, 5003 gain adjustment section, 5004 multiplication section,
6001 Image data including image interpretation environment, 6002 image data, 6003 EDID data, 6004 viewing terminal, 6005 Doctor or nurse
8001 cloud computing, 8002 to 8006 client terminal,

Claims (10)

A medical image display system including a server holding the medical image data, and the interpretation terminal device connected via a network to the server, and a 閲 list terminal device the connected via a network to a server ,
The image interpretation terminal device includes an image interpretation display unit,
The browsing terminal device includes a browsing display unit,
The server includes an image processing unit that performs image processing on medical image data to be held,
The interpretation terminal device transmits diagnostic environment information including information on an image display environment at the time of diagnosis using a medical image displayed on the interpretation display unit to the server,
The server holds the received diagnostic environment information together with diagnostic target image data,
The browsing terminal device transmits information on the performance or characteristics of the browsing display unit of the browsing terminal device to the server,
When the diagnosis display mode is selected in the browsing terminal device, the server receives the information on the performance or characteristics of the browsing display unit of the browsing terminal device and the previously stored information of the interpretation terminal device. When the performance or characteristic of the browsing display unit is the same as or better than the performance or characteristic of the interpretation display unit, the image processing unit is compared with the diagnostic environment. Image data that has undergone image processing according to information is transmitted to the browsing terminal device, and when the diagnostic display mode is not selected and when the diagnostic display mode is selected, the performance or characteristics of the browsing display unit Is inferior to the performance or characteristics of the image interpretation display unit, image data that the image processing unit has performed image processing according to information on the performance or characteristics of the browsing display unit, Medical image display system and transmits the serial reading terminal device. The medical image display system according to claim 1,
When the performance or characteristic of the browsing display unit is inferior to the performance or characteristic of the image interpretation display unit, the server sends information indicating that the strict diagnosis display mode is not possible to the browsing terminal device. A medical image display system characterized by: The medical image display system according to claim 1,
The performance or characteristic of the browsing display unit is the display gradation performance of the browsing display unit,
The medical image display system, wherein the performance or characteristic of the interpretation display unit is display gradation performance of the interpretation display unit. The medical image display system according to claim 1,
The diagnostic environment information includes a center point and an extraction width, which are set when the medical image is displayed on the image interpretation terminal device, and are used for DICOM windowing processing. . The medical image display system according to claim 1,
The medical image display system, wherein the server constitutes a cloud, and the interpretation terminal device and the browsing terminal device are client terminals connected to the cloud. The medical image display system according to claim 5,
The cloud further comprises a storage for holding information on the performance or characteristics of the browsing display unit of the browsing terminal device connected to the cloud,
When the display mode at diagnosis is selected, but the performance or characteristic of the browsing display unit is inferior to the performance or characteristic of the interpretation display unit, the display mode at diagnosis is possible around the browsing terminal device being browsed A medical image display system, wherein an installation location of another browsing terminal device is transmitted from the cloud side to the browsing terminal device being browsed and presented to the user via the browsing display unit. The medical image display system according to claim 1,
The performance or characteristic of the browsing display unit is the resolution performance of the browsing display unit,
The medical image display system characterized in that the performance or characteristic of the interpretation display unit is the resolution performance of the interpretation display unit. The medical image display system according to claim 1,
The performance or characteristic of the browsing display unit is the displayable color gamut performance of the browsing display unit,
The medical image display system characterized in that the performance or characteristic of the image interpretation display unit is the displayable color gamut performance of the image interpretation display unit. The medical image display system according to claim 1,
The performance or characteristic of the browsing display unit is the frame rate performance of the browsing display unit,
The medical image display system characterized in that the performance or characteristic of the interpretation display unit is the frame rate performance of the interpretation display unit. The medical image display system according to claim 3,
The server uses the image processing unit to reduce the number of gradations of the stored medical image data according to information on display gradation performance of the browsing display unit for the stored medical image data. A medical image display system that performs a contrast correction process when performing the above.

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