Three-dimensional volume rendering medical image processing method, device, medium and equipment

Abstract

The present invention provides a method, device, medium and equipment for processing a three-dimensional volume-rendered medical image. The method comprises: obtaining and displaying a three-dimensional volume-rendered medical image of a heart, wherein the three-dimensional volume-rendered medical image comprises a target blood vessel and a three-dimensional model of at least one anatomical structure of the heart; obtaining a clipping plane according to the display plane of the three-dimensional volume-rendered medical image and the target blood vessel; obtaining an anatomical structure to be clipped, wherein the anatomical structure to be clipped partially or completely obscures the target blood vessel; and processing the anatomical structure to be clipped according to the clipping plane to expose the target blood vessel. The three-dimensional volume-rendered medical image processing method can process the three-dimensional volume-rendered medical image to expose the target blood vessel therein, which is beneficial for medical personnel to observe the complete target blood vessel.

Description

Technical Field

[0001] The present invention relates to an image processing method, and in particular to a three-dimensional body rendering medical image processing method, device, medium and equipment. Background Art

[0002] Volume Rendering (VR) of medical images is a 3D imaging technology that is often used to perform stereoscopic imaging of arteries and veins, soft tissues and bone structures. It can also be used to display structures such as bronchial trees, colon and inner ear. It has become one of the indispensable display technologies in CT 3D reconstruction.

[0003] In the diagnosis of heart disease, 3D volume rendering is often used to generate a 3D model of the heart to assist medical staff in diagnosis. However, in actual applications, when medical staff need to observe the target vessel of interest from a specific angle, the target vessel may be blocked by anatomical structures such as the auricle and myocardium, making it impossible for medical staff to observe the entire target vessel. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a three-dimensional volume rendering medical image processing method, device, medium and equipment to solve the above-mentioned problems existing in the prior art.

[0005] To achieve the above-mentioned object and other related objects, a first aspect of the present invention provides a three-dimensional volume-rendered medical image processing method, the method comprising: acquiring and displaying a three-dimensional volume-rendered medical image of a heart, the three-dimensional volume-rendered medical image comprising a target blood vessel and a three-dimensional model of at least one anatomical structure of the heart; acquiring a clipping plane according to a display plane of the three-dimensional volume-rendered medical image and the target blood vessel; acquiring an anatomical structure to be clipped, the anatomical structure to be clipped partially or completely obstructing the target blood vessel; and processing the anatomical structure to be clipped according to the clipping plane to expose the target blood vessel.

[0006] In an embodiment of the first aspect, a method for acquiring a three-dimensional volume-rendered medical image of a heart includes: acquiring a CT image sequence including the heart; and processing the CT image sequence to obtain the three-dimensional volume-rendered medical image.

[0007] In an embodiment of the first aspect, the method further includes: using a deep learning model to segment the CT image sequence to obtain a three-dimensional model of multiple anatomical structures of the heart.

[0008] In an embodiment of the first aspect, a method for obtaining a clipping plane based on the display plane and target blood vessel of the three-dimensional volume rendered medical image includes: obtaining the endpoint of the target blood vessel close to the aorta as a reference point; obtaining a plane passing through the reference point and parallel to the display plane as the clipping plane.

[0009] In an embodiment of the first aspect, a method for acquiring the reference point includes: acquiring a blood vessel centerline of the target blood vessel; and acquiring an end point of the blood vessel centerline close to the aorta as the reference point.

[0010] In an embodiment of the first aspect, the method further includes: adjusting the clipping plane in response to a received first instruction.

[0011] In an embodiment of the first aspect, the method further includes: acquiring the target blood vessel in response to a received second instruction.

[0012] A second aspect of the present invention provides a three-dimensional volume-rendered medical image processing device, the device comprising: a medical image acquisition module, used to acquire a three-dimensional volume-rendered medical image of the heart, the three-dimensional volume-rendered medical image comprising a target blood vessel and a three-dimensional model of at least one anatomical structure of the heart; a display module, used to display the three-dimensional volume-rendered medical image; a clipping plane acquisition module, used to acquire a clipping plane according to the display plane of the three-dimensional volume-rendered medical image and the target blood vessel; a clipping object acquisition module, used to acquire an anatomical structure to be clipped, the anatomical structure to be clipped partially or completely occluding the target blood vessel; and a clipping object processing module, used to process the anatomical structure to be clipped according to the clipping plane to expose the target blood vessel.

[0013] A third aspect of the present invention provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the three-dimensional volume rendering medical image processing method as described in any one of the first aspects of the present invention.

[0014] The fourth aspect of the present invention provides an electronic device, comprising: a memory storing a computer program; a processor communicatively connected to the memory, and executing the three-dimensional body rendering medical image processing method described in any one of the first aspect of the present invention when calling the computer program.

[0015] As described above, the three-dimensional volume rendering medical image processing method described in one or more embodiments of the present invention has the following beneficial effects:

[0016] The three-dimensional volume rendering medical image processing method can obtain a clipping plane and an anatomical structure that blocks a target blood vessel, and process the anatomical structure that blocks a target blood vessel based on the clipping plane to expose the target blood vessel, which is beneficial for medical personnel to observe the complete target blood vessel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1A Shown is a flow chart of a specific embodiment of the three-dimensional volume rendering medical image processing method of the present invention.

[0018] Figure 1B Shown is an example diagram of a 3D rendered medical image in a specific embodiment of the 3D rendered medical image processing method of the present invention.

[0019] Figure 1C Shown is an example diagram of a 3D volume rendered medical image processed by the 3D volume rendered medical image processing method according to a specific embodiment of the present invention.

[0020] Figure 2 FIG. 1 is a detailed flow chart of step S11 of the three-dimensional volume rendering medical image processing method according to the present invention in a specific embodiment.

[0021] Figure 3A FIG. 1 is a detailed flow chart of step S12 of the three-dimensional volume rendering medical image processing method according to the present invention in a specific embodiment.

[0022] Figure 3B FIG. 1 is a detailed flow chart of step S121 of the three-dimensional volume rendering medical image processing method according to the present invention in a specific embodiment.

[0023] Figure 3C Shown is an example diagram of the translation of the clipping plane in a specific embodiment of the three-dimensional volume rendering medical image processing method of the present invention.

[0024] Figure 4A Shown is a flowchart of key steps in a specific embodiment of the three-dimensional volume rendering medical image processing method of the present invention.

[0025] Figure 4B Shown is a flowchart of key steps in a specific embodiment of the three-dimensional volume rendering medical image processing method of the present invention.

[0026] Figure 5 Shown is a schematic structural diagram of a three-dimensional volume rendering medical image processing device according to a specific embodiment of the present invention.

[0027] Figure 6 Shown is a schematic structural diagram of the electronic device of the present invention in a specific embodiment.

[0028] Component number description

[0029] 5 3D volume rendering medical image processing device

[0030] 51 Medical Image Acquisition Module

[0031] 52 Display Module

[0032] 53 Clipping plane acquisition module

[0033] 54 Clipping object acquisition module

[0034] 55 Clipping object processing module

[0035] 600 Electronic equipment

[0036] 610 Memory

[0037] 620 processor

[0038] 630 Display

[0039] Steps S11 to S14

[0040] Steps S111 to S112

[0041] Steps S121 to S122

[0042] Steps S1211 to S1212

[0043] Steps S41a to S48a

[0044] Steps S41b~S44b DETAILED DESCRIPTION

[0045] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0046] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The illustrations only show the components related to the present invention rather than the number, shape and size of the components in actual implementation. The type, quantity and proportion of each component in actual implementation may be changed at will, and the component layout type may also be more complicated. In addition, in this article, relational terms such as "first", "second", etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0047] In the diagnosis process of heart disease, 3D volume rendering is often used to generate a 3D model of the heart to assist medical staff in diagnosis. However, in actual applications, when medical staff need to observe the target blood vessel of interest from a specific angle, the target blood vessel may be blocked by anatomical structures such as the auricle and myocardium, resulting in the medical staff being unable to observe the entire target blood vessel. To address this problem, a 3D volume rendering medical image processing method is provided in one embodiment of the present invention. Specifically, please refer to Figure 1A The three-dimensional volume rendering medical image processing method in this embodiment includes:

[0048] S11, acquiring and displaying a three-dimensional volume-rendered medical image of the heart, for example, the three-dimensional volume-rendered medical image may be displayed on a display screen of an electronic device such as a computer. The three-dimensional volume-rendered medical image includes a target blood vessel and a three-dimensional model of at least one anatomical structure of the heart. The target blood vessel is, for example, a coronary vessel, and the anatomical structure of the heart includes, but is not limited to, a left ventricle, a left atrium, a right ventricle, a right atrium, an aorta, a left ventricular myocardial wall, a coronary artery, and the like.

[0049] S12, acquiring a clipping plane according to the display plane of the 3D rendered medical image and the target blood vessel, wherein the display plane of the 3D rendered medical image refers to a plane parallel to the plane of the display screen, and the clipping plane is preferably parallel to the display plane.

[0050] S13, obtaining an anatomical structure to be cropped, wherein the anatomical structure to be cropped partially or completely blocks the target blood vessel. Figure 1B , where the target vessel is blocked by the left atrial appendage, which is a part of the left atrium of the human body. Figure 1B The left atrium is taken as the anatomical structure to be cropped.

[0051] S14, processing the anatomical structure to be cut according to the cutting plane to expose the target blood vessel. Figure 1C, showing the image obtained after processing the anatomical structure to be cropped according to the cropping plane in this embodiment. In the image obtained after processing, the target blood vessel is completely exposed, and medical personnel can easily observe or print the target blood vessel.

[0052] According to the above description, the three-dimensional volume rendering medical image processing method described in this embodiment can obtain the clipping plane and the anatomical structure that blocks the target blood vessel, and process the anatomical structure that blocks the target blood vessel based on the clipping plane to expose the target blood vessel, which is beneficial for medical personnel to observe or print the complete target blood vessel.

[0053] Manual cropping refers to manually cropping the anatomical structure to be cropped from the three-dimensional volume rendering medical image. This method is complex to operate and is easy to crop other organs and tissues, and will leave holes in the three-dimensional volume rendering medical image, resulting in image distortion and lack of realism. Compared with manual cropping, the three-dimensional volume rendering medical image processing method described in this embodiment can automatically process the anatomical structure to be cropped based on the cropping plane to expose the target blood vessel, and this method is simple to implement. In addition, the three-dimensional volume rendering medical image processing method is only used to process the anatomical structure to be cropped, so that irrelevant organs and tissues will not be cropped, and after the processing is completed, no holes will be left in the three-dimensional volume rendering medical image, so it will not cause image distortion and lack of realism.

[0054] In one embodiment of the present invention, a method for implementing processing the anatomical structure to be cropped according to the clipping plane includes: in the anatomical structure to be cropped, deleting a portion thereof located in front of the clipping plane from the three-dimensional volume rendered medical image, thereby exposing the target blood vessel. The front of the clipping plane refers to a direction in which the clipping plane faces the user.

[0055] In one embodiment of the present invention, a method for processing the anatomical structure to be cropped according to the clipping plane includes: in the anatomical structure to be cropped, all pixels located in front of the clipping plane are configured to be transparent in display mode, thereby exposing the target blood vessel.

[0056] See also Figure 2 In one embodiment of the present invention, a method for obtaining a three-dimensional volume rendering medical image of a heart includes:

[0057] S111, acquiring a CT image sequence containing a heart, wherein the CT image sequence contains a series of heart CT images.

[0058] S112, processing the CT image sequence to obtain the 3D volume rendered medical image. For example, the CT image sequence may be 3D reconstructed to obtain the 3D volume rendered medical image.

[0059] In one embodiment of the present invention, the method further includes: using a deep learning model to segment the CT image sequence to obtain a three-dimensional model of multiple anatomical structures of the heart.

[0060] Optionally, the three-dimensional volume rendering medical image processing method further comprises: displaying a three-dimensional model of multiple anatomical structures of the heart.

[0061] See also Figure 3A In one embodiment of the present invention, a method for obtaining a clipping plane according to a display plane of the three-dimensional volume rendered medical image and a target blood vessel includes:

[0062] S121, acquiring an end point of the target blood vessel close to the aorta as a reference point.

[0063] Optionally, see Figure 3B In this embodiment, the method for obtaining the reference point includes:

[0064] S1211, acquiring the blood vessel centerline of the target blood vessel.

[0065] S1212, obtaining the endpoint of the blood vessel centerline close to the aorta as the reference point. Specifically, the distance between each endpoint of the blood vessel centerline and the aorta can be obtained, and one endpoint from the two endpoints of the blood vessel centerline is selected as the reference point according to the distance.

[0066] S122: Acquire a plane passing through the reference point and parallel to the display plane as the clipping plane.

[0067] Optionally, the three-dimensional volume rendering medical image processing method further includes: adjusting the clipping plane in response to a received first instruction. The first instruction may be input by a user through a device such as a mouse or keyboard, and is used to adjust the clipping plane. The first instruction may, for example, specify a translation distance of the clipping plane. In this case, the method for responding to the first instruction in this embodiment includes: controlling the clipping plane to translate along its vertical direction according to the translation distance specified by the first instruction. The example diagram of the translation is shown in FIG. Figure 3C shown.

[0068] In one embodiment of the present invention, the three-dimensional volume rendering medical image processing method further includes: acquiring the target blood vessel in response to a received second instruction. The second instruction can be input by a user through a device such as a mouse or keyboard to specify the target blood vessel.

[0069] In one embodiment of the present invention, the 3D rendered medical image processing method further comprises: rotating the 3D rendered medical image in response to a received third instruction, and acquiring the direction of the clipping plane according to the rotation angle. The third instruction may be input by a user through a device such as a mouse or keyboard, and is used to control the rotation of the 3D rendered medical image and specify the rotation angle.

[0070] In one embodiment of the present invention, the three-dimensional volume rendering medical image processing method further includes: acquiring the anatomical structure to be cropped in response to a received fourth instruction. The fourth instruction can be input by a user through a device such as a mouse or keyboard, and is used to specify the anatomical structure to be cropped. For example, a unique label can be configured for each anatomical structure of the heart, and the fourth instruction carries the label of the anatomical structure to be cropped specified by the user, and the anatomical structure to be cropped can be acquired based on the label carried by the fourth instruction.

[0071] In one embodiment of the present invention, the three-dimensional volume rendering medical image processing method includes the steps of setting cropping parameters and cropping the three-dimensional volume rendering medical image. Figure 4A In this embodiment, the step of setting the cropping parameters specifically includes:

[0072] S41a, acquiring a CT sequence image of the heart and converting it into three-dimensional volume data, thereby acquiring a three-dimensional volume rendering medical image of the heart.

[0073] S42a, segmenting each anatomical structure of the heart to obtain a three-dimensional model of each anatomical structure.

[0074] S43a, obtaining a set of three-dimensional point coordinates of the blood vessel centerline of each coronary artery of the heart.

[0075] S44a: Rotate the three-dimensional volume rendered medical image to a specified angle in response to the received user instruction.

[0076] S45a, obtaining an initial clipping plane, wherein the initial clipping plane passes through a point at the end of the vascular centerline of the target blood vessel close to the aorta, and an angle of the initial clipping plane is parallel to a current display plane of the three-dimensional volume rendered medical image, that is, parallel to a display screen plane.

[0077] S46a: In response to the received user instruction, the initial clipping plane is translated to obtain a clipping plane.

[0078] S47a, save a set of current clipping parameters to the memory, the clipping parameters include: parameter 1, the selected target blood vessel, and the point of the blood vessel centerline of the target blood vessel close to one end of the aorta; parameter 2, the rotation direction of the three-dimensional volume rendering medical image; parameter 3, the translation distance of the clipping plane relative to the initial clipping plane; parameter 4, the anatomical structure to be clipped, which can be represented by the label of the anatomical structure. Among them, parameter 1 + parameter 2 is used to determine the default initial clipping plane, parameter 2 + parameter 3 is used to determine the adjusted clipping plane, and the adjusted clipping plane + parameter 4 is used to determine the final clipping result.

[0079] S48a, repeating the above steps S44a to S47a to obtain one or more sets of new cropping parameters and save them in the memory.

[0080] See also Figure 4B In this embodiment, the step of cropping the three-dimensional volume rendering medical image specifically includes:

[0081] S41b, obtaining a 3D volume-rendered medical image to be cropped.

[0082] S42b, loading a set of cropping parameters from the memory.

[0083] S43b, cropping the three-dimensional volume rendered medical image to be cropped based on the cropping parameters loaded in step S42b.

[0084] S44b, outputting the three-dimensional volume rendered medical image cropped in step S43b.

[0085] Optionally, in this embodiment, after step S44b, the following step may further include: printing the three-dimensional volume rendered medical image cropped in step S43b.

[0086] According to the above description, the 3D volume rendering medical image processing method described in this embodiment mainly includes two steps. The first step is to set the cropping parameters in an interactive way, and the second step is to apply the above cropping parameters during the product operation to achieve the effect of one-key cropping to expose the target blood vessel. This method can avoid the occlusion of the target blood vessel by irrelevant anatomical structures, thereby better assisting doctors in disease diagnosis and medical image printing.

[0087] Based on the above description of the 3D volume rendering medical image processing method, the present invention also provides a 3D volume rendering medical image processing device. Figure 5The three-dimensional volume rendering medical image processing device 5 comprises a medical image acquisition module 51, a display module 52, a clipping plane acquisition module 53, a clipping object acquisition module 54 and a clipping object processing module 55. The medical image acquisition module 51 is used to acquire a three-dimensional volume rendering medical image of the heart. The display module 52 is connected to the medical image acquisition module 51 and is used to display the three-dimensional volume rendering medical image. The clipping plane acquisition module 53 is connected to the display module 52 and is used to acquire a clipping plane according to the display plane of the three-dimensional volume rendering medical image and the target blood vessel. The clipping object acquisition module 54 is used to acquire an anatomical structure to be clipped, and the anatomical structure to be clipped partially or completely blocks the target blood vessel. The clipping object processing module 55 is connected to the medical image acquisition module 51, the clipping plane acquisition module 53 and the clipping object acquisition module 54 and is used to process the anatomical structure to be clipped according to the clipping plane to expose the target blood vessel.

[0088] It should be noted that the modules in the three-dimensional volume rendering medical image processing device 5 are Figure 1A Steps S11 to S14 in the three-dimensional volume rendering medical image processing method shown correspond to each other, and will not be described in detail here to save space.

[0089] Optionally, the medical image acquisition module includes a CT image sequence acquisition unit and a medical image acquisition unit, the CT image sequence acquisition unit is used to acquire a CT image sequence containing the heart, and the medical image acquisition unit is used to process the CT image sequence to obtain the three-dimensional volume rendering medical image.

[0090] Optionally, the three-dimensional volume rendering medical image processing device further includes an image segmentation module for processing the CT image sequence using a deep learning model to obtain a three-dimensional model of multiple anatomical structures of the heart.

[0091] Optionally, the clipping plane acquisition module includes a reference point acquisition unit and a clipping plane acquisition unit, the reference point acquisition unit is used to acquire the endpoint of the target blood vessel close to the aorta as a reference point, and the clipping plane acquisition unit is used to acquire a plane passing through the reference point and parallel to the display plane as the clipping plane.

[0092] Optionally, the reference point acquisition unit includes a blood vessel centerline acquisition subunit and a reference point acquisition subunit, the blood vessel centerline acquisition subunit is used to acquire the blood vessel centerline of the target blood vessel, and the reference point acquisition unit is used to acquire the endpoint of the blood vessel centerline close to the aorta as the reference point.

[0093] Optionally, the three-dimensional volume rendering medical image processing apparatus further comprises an instruction response module, wherein the instruction response module is configured to adjust the clipping plane in response to a received first instruction and / or acquire the target blood vessel in response to a received second instruction.

[0094] Based on the above description of the three-dimensional body rendering medical image processing method, the present invention also provides a computer-readable storage medium having a computer program stored thereon, which is executed by a processor to implement Figure 1A The three-dimensional volume rendering medical image processing method shown.

[0095] Based on the above description of the three-dimensional body rendering medical image processing method, the present invention also provides an electronic device. Specifically, please refer to Figure 6 In one embodiment of the present invention, the electronic device 600 includes a memory 610 and a processor 620, wherein the memory 610 stores a computer program, and the processor 620 is connected to the memory 610 for executing the computer program when the computer program is called. Figure 1A The three-dimensional volume rendering medical image processing method is shown.

[0096] Optionally, the electronic device 600 further includes a display 630, which is communicatively connected with the memory 610 and the processor 620, and is used to display a GUI interaction interface related to the three-dimensional volume rendering medical image processing method.

[0097] The protection scope of the three-dimensional body rendering medical image processing method described in the present invention is not limited to the execution order of the steps listed in this embodiment. All solutions implemented by adding, reducing or replacing steps in the prior art based on the principles of the present invention are included in the protection scope of the present invention.

[0098] The present invention also provides a three-dimensional body rendering medical image processing device, which can implement the three-dimensional body rendering medical image processing method described in the present invention. However, the implementation device of the three-dimensional body rendering medical image processing method described in the present invention includes but is not limited to the structure of the three-dimensional body rendering medical image processing device listed in this embodiment. All structural deformations and replacements of the prior art made according to the principles of the present invention are included in the protection scope of the present invention.

[0099] In summary, the three-dimensional volume rendering medical image processing method in one or more embodiments of the present invention can obtain the clipping plane and the anatomical structure that blocks the target blood vessel, and process the anatomical structure that blocks the target blood vessel based on the clipping plane to expose the target blood vessel, which is beneficial for medical personnel to observe the complete target blood vessel. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has a high industrial utilization value.

[0100] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A three-dimensional volume rendering medical image processing method, It is characterized in that The method comprises: Acquire and display a three-dimensional volume-rendered medical image of the heart, wherein the three-dimensional volume-rendered medical image includes a three-dimensional model of a target blood vessel and at least one anatomical structure of the heart; Acquire a clipping plane according to the display plane of the three-dimensional volume rendered medical image and the target blood vessel; Acquire an anatomical structure to be cropped, wherein the anatomical structure to be cropped partially or completely covers the target blood vessel; Processing the anatomical structure to be cut according to the cutting plane to expose the target blood vessel; The method for obtaining the cropping parameters includes: S1, obtaining a CT sequence image of the heart and converting it into three-dimensional volume data, thereby obtaining a three-dimensional volume rendering medical image of the heart; S2, segmenting each anatomical structure of the heart to obtain a three-dimensional model of each anatomical structure; S3, obtaining a set of three-dimensional point coordinates of the center line of each coronary artery of the heart; S4, rotating the three-dimensional volume rendered medical image to a specified angle in response to a received user instruction; S5, acquiring an initial clipping plane, wherein the initial clipping plane passes through a point at the end of the blood vessel centerline of the target blood vessel close to the aorta, and an angle of the initial clipping plane is parallel to a current display plane of the three-dimensional volume rendered medical image; S6, translating the initial clipping plane in response to the received user instruction to obtain a clipping plane; S7, saving a set of current clipping parameters to a memory, wherein the clipping parameters include: parameter 1, the selected target blood vessel, and a point of the blood vessel centerline of the target blood vessel close to one end of the aorta; parameter 2, the rotation direction of the three-dimensional volume rendering medical image; parameter 3, the translation distance of the clipping plane relative to the initial clipping plane; parameter 4, the anatomical structure to be clipped; wherein the parameters 1 and 2 are used to determine a default initial clipping plane, the parameters 2 and 3 are used to determine an adjusted clipping plane, and the adjusted clipping plane and the parameter 4 are used to determine a final clipping result; S8, repeating the above steps S4 to S7 to obtain one or more groups of cropping parameters and save them in the memory.

2. The method according to claim 1, It is characterized in that The method for obtaining a three-dimensional volume rendering medical image of the heart includes: Acquiring a CT image sequence containing the heart; The CT image sequence is processed to obtain the three-dimensional volume rendered medical image.

3. The method according to claim 2, It is characterized in that The method further comprises: The CT image sequence is segmented using a deep learning model to obtain a three-dimensional model of multiple anatomical structures of the heart.

4. The method according to claim 1, It is characterized in that The method for obtaining a clipping plane according to the display plane of the three-dimensional volume rendered medical image and the target blood vessel comprises: Acquire an end point of the target blood vessel close to the aorta as a reference point; A plane passing through the reference point and parallel to the display plane is obtained as the clipping plane.

5. The method according to claim 4, It is characterized in that The method for obtaining the reference point includes: Acquiring a blood vessel centerline of the target blood vessel; The end point of the blood vessel centerline close to the aorta is obtained as the reference point.

6. The method according to any one of claims 1 to 5, It is characterized in that The method further includes adjusting the clipping plane in response to the received first instruction.

7. The method according to claim 1, It is characterized in that The method further includes acquiring the target blood vessel in response to the received second instruction.

8. A three-dimensional volume rendering medical image processing device, It is characterized in that The device comprises: A medical image acquisition module, configured to acquire a three-dimensional volume-rendered medical image of the heart, wherein the three-dimensional volume-rendered medical image includes a target blood vessel and a three-dimensional model of at least one anatomical structure of the heart; A display module, used for displaying the three-dimensional volume rendered medical image; A clipping plane acquisition module, used for acquiring a clipping plane according to the display plane of the three-dimensional volume rendered medical image and the target blood vessel; A cropping object acquisition module, used to acquire an anatomical structure to be cropped, wherein the anatomical structure to be cropped partially or completely blocks the target blood vessel; A clipping object processing module, used for processing the anatomical structure to be clipped according to the clipping plane to expose the target blood vessel; The method for obtaining the cropping parameters includes: S1, obtaining a CT sequence image of the heart and converting it into three-dimensional volume data, thereby obtaining a three-dimensional volume rendering medical image of the heart; S2, segmenting each anatomical structure of the heart to obtain a three-dimensional model of each anatomical structure; S3, obtaining a set of three-dimensional point coordinates of the center line of each coronary artery of the heart; S4, rotating the three-dimensional volume rendered medical image to a specified angle in response to a received user instruction; S5, acquiring an initial clipping plane, wherein the initial clipping plane passes through a point at the end of the blood vessel centerline of the target blood vessel close to the aorta, and an angle of the initial clipping plane is parallel to a current display plane of the three-dimensional volume rendered medical image; S6, translating the initial clipping plane in response to the received user instruction to obtain a clipping plane; S7, saving a set of current clipping parameters to a memory, wherein the clipping parameters include: parameter 1, the selected target blood vessel, and a point of the blood vessel centerline of the target blood vessel close to one end of the aorta; parameter 2, the rotation direction of the three-dimensional volume rendering medical image; parameter 3, the translation distance of the clipping plane relative to the initial clipping plane; parameter 4, the anatomical structure to be clipped; wherein the parameters 1 and 2 are used to determine a default initial clipping plane, the parameters 2 and 3 are used to determine an adjusted clipping plane, and the adjusted clipping plane and the parameter 4 are used to determine a final clipping result; S8, repeating the above steps S4 to S7 to obtain one or more groups of cropping parameters and save them in the memory.

9. A computer-readable storage medium having a computer program stored thereon, Features: When the computer program is executed by a processor, the three-dimensional volume rendering medical image processing method described in any one of claims 1 to 7 is implemented.

10. An electronic device, It is characterized in that The electronic device comprises: A memory storing a computer program; A processor is communicatively connected to the memory, and executes the three-dimensional body rendering medical image processing method according to any one of claims 1 to 7 when calling the computer program.

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