WO2020168697A1 - 基于VRDS 4D医学影像的栓塞的Ai识别方法及产品 - Google Patents
基于VRDS 4D医学影像的栓塞的Ai识别方法及产品 Download PDFInfo
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Definitions
- This application relates to the technical field of medical imaging devices, and in particular to an Ai recognition method and product based on VRDS 4D medical image embolism.
- CT Computed Tomography
- MRI Magnetic Resonance Imaging
- DTI Diffusion Tensor Imaging
- Computed Tomography Positron Emission Computed Tomography
- the embodiments of the present application provide an Ai recognition method and product for embolism based on VRDS 4D medical images, in order to improve the accuracy and efficiency of embolism recognition by medical imaging devices.
- an embodiment of the present application provides an Ai recognition method based on VRDS 4D medical image embolism, which is applied to a medical imaging device; the method includes:
- the target medical image data including the target blood vessel data set and the embolization data set, the first data in the target blood vessel data set and the embolism
- the second data in the data set of is independent of each other, and the data set of the target blood vessel is a transfer function result of the cube space of the surface of the target blood vessel and the tissue structure inside the target blood vessel;
- the characteristic attribute including at least one of the following: density, crawling direction, correspondence with cancer focus, and edge characteristics;
- the type of the embolism is determined according to the characteristics, and the type is output.
- the embodiments of the present application provide an Ai recognition device based on VRDS Ai 4D medical image embolism, which is applied to a medical imaging device;
- the VRDS Ai 4D medical image embolization Ai recognition device includes a processing unit and a communication unit ,among them,
- the processing unit is configured to determine a bitmap BMP data source according to multiple scanned images of a target part of a target user, the target part including an embolism formed on the wall of the target blood vessel; and to generate a bitmap according to the BMP data source
- Target medical image data the target medical image data including the target blood vessel data set and the embolization data set, the first data in the target blood vessel data set and the second data in the embolization data set
- the data are independent of each other, the data set of the target blood vessel is the result of the transfer function of the cube space of the target blood vessel surface and the tissue structure inside the target blood vessel; and is used to perform 4D medical imaging according to the target medical image data
- the characteristic attribute of the embolism is determined according to the imaging result, and the characteristic attribute includes at least one of the following: density, crawling direction, correspondence with the cancer site, and edge characteristics; and used to determine the type of the embolism according to the characteristics, And output the type through the communication unit.
- an embodiment of the present application provides a medical imaging device, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured by the above Executed by a processor, the above-mentioned program includes instructions for executing steps in any method of the first aspect of the embodiments of the present application.
- an embodiment of the present application provides a computer-readable storage medium, wherein the foregoing computer-readable storage medium stores a computer program for electronic data exchange, wherein the foregoing computer program enables a computer to execute In one aspect, some or all of the steps described in any method.
- the embodiments of the present application provide a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute For example, some or all of the steps described in any method of the first aspect.
- the computer program product may be a software installation package.
- the medical imaging device firstly determines the bitmap BMP data source based on multiple scanned images of the target part of the target user, and secondly, generates the target medical image data based on the BMP data source, and again, based on the target medical image
- the data is subjected to 4D medical imaging, and the characteristic attributes of the embolism are determined according to the imaging results. Finally, the type of embolism is determined according to the characteristics, and the type is output.
- the target part includes the embolism formed on the wall of the target vessel
- the target medical image data includes the data set of the target vessel and the embolization data set, the first data in the data set of the target vessel and the second data set in the embolization
- the data are independent of each other.
- the data set of the target blood vessel is the result of the transfer function of the cube space of the target blood vessel surface and the tissue structure inside the target blood vessel.
- the characteristic attributes include at least one of the following: density, crawling direction, correspondence with cancer focus, edge characteristics It can be seen that the medical imaging device of the present application can accurately determine the type of embolism by the imaging result of 4D medical imaging, and improve the accuracy and efficiency of embolism recognition.
- FIG. 1 is a schematic structural diagram of a VRDS Ai 4D medical image intelligent analysis and processing system provided by an embodiment of the present application;
- FIG. 2 is a schematic flowchart of an Ai recognition method for embolism based on VRDS 4D medical images according to an embodiment of the present application;
- FIG. 3 is a schematic structural diagram of a medical imaging device provided by an embodiment of the present application.
- FIG. 4 is a block diagram of functional units of an Ai recognition device based on embolization of VRDS Ai 4D medical images provided by an embodiment of the present application.
- the medical imaging devices involved in the embodiments of this application refer to various instruments that use various media as information carriers to reproduce the internal structure of the human body as images.
- the image information and the actual structure of the human body have spatial and temporal distributions.
- DICOM data refers to the original image file data collected by medical equipment that reflects the internal structural characteristics of the human body. It can include electronic computed tomography CT, magnetic resonance MRI, diffusion tensor imaging DTI, and positron emission computed tomography PET-
- image source refers to the Texture2D/3D image volume data generated by analyzing the original DICOM data.
- VRDS refers to the Virtual Reality Doctor system (VRDS for short).
- FIG. 1 is a schematic structural diagram of a VRDS Ai 4D medical image intelligent analysis and processing system 100 based on an embodiment of the present application.
- the system 100 includes a medical imaging device 110 and a network database 120.
- the medical imaging device 110 can Including the local medical imaging device 111 and/or the terminal medical imaging device 112, the local medical imaging device 111 or the terminal medical imaging device 112 is used for embolization based on the VRDS Ai 4D medical image presented in the embodiment of this application based on the original DICOM data
- the recognition algorithm is based on the recognition, positioning and four-dimensional volume rendering of human embolism to achieve four-dimensional three-dimensional imaging effects (the four-dimensional medical image specifically refers to the medical image including the internal spatial structural features and external spatial structural features of the displayed tissue.
- Spatial structural characteristics mean that the slice data inside the tissue is not lost, that is, the medical imaging device can present the internal structure of organs, blood vessels and other tissues.
- the external spatial structural characteristics refer to the environmental characteristics between tissues, including the relationship between tissues and tissues. Spatial location characteristics (including intersection, interval, fusion, etc., such as the edge structure characteristics of the intersection between the kidney and the artery, etc.).
- the local medical imaging device 111 can also be used to perform image source data processing relative to the terminal medical imaging device 112. Edit to form the transfer function result of the four-dimensional human body image.
- the transfer function result can include the transfer function result of the surface of the internal organs and the tissue structure of the internal organs, and the transfer function result of the cube space, such as the cube required for the transfer function
- the network database 120 may be, for example, a cloud server.
- the network database 120 is used to store the image source generated by analyzing the original DICOM data and the transfer function result of the four-dimensional human body image edited by the local medical imaging device 111.
- the image source may be from multiple sources.
- a local medical imaging device 111 to realize interactive diagnosis of multiple doctors.
- HMDS Head mounted Displays Set
- the operating actions refer to the user’s actions through the medical imaging device.
- An external intake device such as a mouse, keyboard, etc., controls the operation of the four-dimensional human body image to achieve human-computer interaction.
- the operation action includes at least one of the following: (1) Change the color and/or of a specific organ/tissue Transparency, (2) positioning zoom view, (3) rotating view, realizing multi-view 360-degree observation of four-dimensional human body image, (4) "entering" human organs to observe internal structure, real-time clipping effect rendering, (5) moving up and down view.
- FIG. 2 is a schematic flowchart of an Ai recognition method for embolism based on VRDS 4D medical imaging according to an embodiment of the present application, which is applied to the medical imaging device described in FIG. 1;
- Ai recognition methods for embolism in VRDS 4D medical images include:
- the medical imaging device determines a bitmap BMP data source according to multiple scanned images of a target part of the target user, the target part including an embolus formed on the wall of the target blood vessel.
- the scan image includes any one of the following: CT image, MRI image, DTI image, PET-CT image.
- the medical imaging device determines the bitmap BMP data source according to multiple scanned images of the target part of the target user.
- the implementation method may be: the medical imaging device acquires the internal structure of the human body of the target user collected by the medical device. Multiple scanned images with characteristics; filter out at least one scanned image containing the target part from the multiple scanned images, and use the at least one scanned image as the medical digital imaging and communication DICOM data of the target user; parse the The DICOM data generates an image source of the target user, and the image source includes texture 2D/3D image volume data.
- the first preset processing includes at least one of the following operations: VRDS limited contrast adaptive histogram equalization, hybrid partial differential denoising, VRDS Ai flexibility Deformation treatment.
- the VRDS limited contrast adaptive histogram equalization includes: regional noise ratio limiting, global contrast limiting; dividing the local histogram of the image source into multiple partitions, for each partition, according to the neighborhood of the partition
- the slope of the cumulative histogram determines the slope of the transformation function, and the degree of contrast magnification around the pixel value of the partition is determined according to the gradient of the transformation function, and then the limit cropping process is performed according to the degree of contrast magnification to generate the distribution of the effective histogram
- it also generates effective and usable neighborhood size values, and evenly distributes the cropped part of the histogram to other areas of the histogram.
- the hybrid partial differential denoising includes: different from Gaussian low-pass filtering (indiscriminately attenuating the high-frequency components of the image, denoising will also produce blurring of the edges of the image), formed by objects in natural images
- the isoilluminance lines (including edges) should be sufficiently smooth and smooth curves, that is, the absolute value of the curvature of these isoilluminance lines should be small enough.
- the local gray value of the image will fluctuate randomly, resulting in isoilluminance. Irregular oscillations of the lines form iso-illuminance lines with large local curvatures.
- the design is achieved through VRDS Ai curvature drive and VRDS Ai high-order hybrid denoising, which can protect the edge of the image and avoid the appearance in the smoothing process.
- Mixed partial differential denoising model of step effect is achieved through VRDS Ai curvature drive and VRDS Ai high-order hybrid denoising, which can protect the edge of the image and avoid the appearance in the smoothing process.
- the VRDS Ai elastic deformation processing includes: superimposing positive and negative random distances on the original dot matrix to form a difference position matrix, and then the grayscale at each difference position forms a new dot matrix, which can realize the internal image Distortion and deformation of the image, and then rotate, distort, and translate the image.
- the medical imaging device obtains the BMP data source by processing the original scanned image data, which increases the amount of information of the original data, and increases the depth dimension information, and finally obtains data that meets the requirements of 4D medical image display.
- the medical imaging device generates target medical image data according to the BMP data source.
- the target medical image data includes a data set of the target blood vessel and the embolization data set.
- the first data and the second data in the embolization data set are independent of each other, and the data set of the target blood vessel is a transfer function result of the cube space of the surface of the target blood vessel and the tissue structure inside the target blood vessel.
- the implementation manner for the medical imaging device to generate target medical image data according to the BMP data source may be: the medical imaging device imports the BMP data source into a preset VRDS medical network model to obtain The first medical image data, the first medical image data includes the original data set of the target blood vessel, the original data set of the target blood vessel includes the fusion data of the target blood vessel and the embolism; The medical image data is imported into a preset cross-vessel network model, and the fusion data is spatially segmented through the cross-vessel network model to obtain the target blood vessel data set and the embolization data set; and the target blood vessel is integrated And the embolization data collection to obtain the target medical image data.
- the intersecting blood vessel network model realizes the separation of blood vessel and embolism data through the following operations: (1) extracting the fusion data at the intersection position; (2) separating the fusion data based on a preset data separation algorithm for each fusion data to obtain mutual Independent blood vessel boundary point data and embolization boundary point data; (3) Integrate multiple blood vessel boundary point data obtained after processing into the first data, and integrate multiple embolization boundary point data obtained after processing into the second data. (4) Determine the data set of the target blood vessel and the embolization data set according to the original data set, the first data, and the second data.
- the medical imaging device synthesizes the data set of the target blood vessel and the embolization data set to obtain the target medical image data, including: the data set of the target blood vessel and the data set of the medical imaging device
- the embolization data set performs a second preset process to obtain the target medical image data, and the second preset process includes at least one of the following operations: 2D boundary optimization processing, 3D boundary optimization processing, and data enhancement processing.
- the 2D boundary optimization processing includes: multiple sampling to obtain low-resolution information and high-resolution information, where the low-resolution information can provide the contextual semantic information of the segmented target in the entire image, that is, reflect the relationship between the target and the environment These features are used for object category judgment, and high-resolution information is used to provide more refined features for segmentation targets, such as gradients.
- the 3D boundary optimization processing includes: 3D convolution, 3D max pooling, and 3D upward convolution layer, the input data size is a1, a2, a3, the number of channels is c, the filter size is f, that is, the filter dimension is f*f*f*c, the number of filters is n, the final output of the 3-dimensional convolution is:
- each layer contains two 3*3*3 convolution kernels, each of which follows an activation function (Relu), and then in each dimension there is a 2*2*2 maximum pooling and merging two Steps.
- each layer is composed of 2*2*2 upward convolutions, with a step size of 2 in each dimension, and then two 3*3*3 convolutions, and then Relu. Then in the analysis path, the shortcut connections of the equal resolution layers provide the basic high-resolution features of the synthesized path. In the last layer, 1*1*1 convolution reduces the number of output channels.
- the data enhancement processing includes any one of the following: data enhancement based on arbitrary angle rotation, data enhancement based on histogram equalization, data enhancement based on white balance, data enhancement based on mirroring operation, data enhancement based on random cut And data enhancement based on simulating different lighting changes.
- the medical imaging device obtains the first medical image data through the BMP data source VRDS medical network model, and then imports the first medical image data into the preset cross-vascular network model, and finally obtains the target medical image data, which improves the convenience of embolism recognition Sex.
- the medical imaging device performs 4D medical imaging according to the target medical image data, and determines the characteristic attribute of the embolism according to the imaging result.
- the characteristic attribute includes at least one of the following: density, crawling direction, and cancer focus location Correspondence, edge characteristics.
- the 4D medical imaging refers to presenting four-dimensional medical images.
- the implementation manner of the medical imaging device performing 4D medical imaging according to the target medical image data may be: the medical imaging device selects from the target medical image data a quality score greater than a preset score The enhanced data is used as 4D imaging data, and then 4D medical imaging is performed based on the 4D imaging data.
- the quality score can be comprehensively evaluated from the following dimensions: average gradient, information entropy, visual information fidelity, peak signal-to-noise ratio PSNR, structural similarity SSIM, mean square error MSE, etc., for details, please refer to the common image field The image quality scoring algorithm will not be repeated here.
- the medical imaging device further performs data screening through quality scores to improve the imaging effect.
- the medical imaging device determines the type of the embolism according to the characteristic, and outputs the type.
- the type output by the medical imaging device may be displaying the type of the embolism on a display device, and the type output by the medical imaging device may be broadcasting the type of the embolism through a buzzer, and
- the medical imaging device can also output the type in other ways, which is not specifically limited.
- the characteristic attribute includes density
- the determining the type of embolism according to the characteristic includes: obtaining a pre-stored blood vessel embolism density table, the blood vessel embolism density table including blood vessels in different parts and formation Correspondence between the density interval of the thrombus or cancer thrombus in the blood vessel; query the blood vessel embolism density table to obtain the target density interval to which the density of the embolism at the target site belongs; determine the thrombus or tumor thrombus corresponding to the target density interval Is the type of embolism.
- the query of the blood vessel embolism density table may use the target site and the embolism density of the target site as a query identifier to query the blood vessel embolism density table.
- the same embolization density in different parts may have different types of embolisms, and the same embolization density in different parts may have the same embolism types.
- the medical imaging device determines the type of embolism by querying the pre-stored vascular embolism density table, which improves the efficiency of identifying embolism.
- the medical imaging device determines the type of embolism by recognizing the crawling direction, which improves the convenience of recognizing emboli.
- the feature attribute includes a correspondence with a cancer focus site; the determining the type of embolism according to the feature includes: if it is detected that the embolism corresponds to the cancer focus location, It is determined that the embolism is a cancer thrombus; if it is detected that the correspondence between the embolism and the cancer focus site is not corresponding, it is determined that the embolism is a thrombus.
- the cancerous focus site refers to the lesion site where cancer occurs in the human body.
- the medical imaging device determines the type of embolism by corresponding to the location of the cancer focus by embolization, which improves the efficiency of identifying embolism.
- the medical imaging device determines the type of embolism by detecting the edge characteristics of the embolism, which improves the efficiency of identifying the embolism.
- the characteristic attributes include density, crawling direction, correspondence with cancer focus, and edge characteristics; the determining the type of embolism according to the characteristics includes: obtaining the pre-trained target The embolism recognition model of the target blood vessel at the location; using the density, the crawling direction, the correspondence with the cancer focus location, and the edge characteristics as input data, import the embolization recognition model to obtain the embolism as a thrombus The first probability and the second probability that the embolism is a cancer embolus; the type of the embolism is determined according to the first probability and the second probability.
- obtaining the pre-trained embolization recognition model of the target blood vessel at the target site may be obtained by obtaining the pre-trained embolization recognition model of the target vessel at the target site from a network database in a networked state.
- determining the type of embolism according to the first probability and the second probability may be determining that the embolism is a thrombus when the first probability is greater than the second probability, and determining when the first probability is less than the second probability
- the embolism is a cancer embolus.
- the medical imaging device introduces the embolism density, crawling direction, correspondence with the cancer focus, and edge characteristics into the embolism recognition model to obtain the embolism type, which improves the convenience of recognizing emboli.
- the medical imaging device firstly determines the bitmap BMP data source based on multiple scanned images of the target part of the target user, and secondly, generates the target medical image data based on the BMP data source, and again, based on the target medical image
- the data is subjected to 4D medical imaging, and the characteristic attributes of the embolism are determined according to the imaging results. Finally, the type of embolism is determined according to the characteristics, and the type is output.
- the target part includes the embolism formed on the wall of the target blood vessel
- the target medical image data includes the data set of the target blood vessel and the embolization data set
- the data are independent of each other.
- the data set of the target blood vessel is the result of the transfer function of the cube space between the surface of the target blood vessel and the tissue structure inside the target blood vessel.
- the characteristic attributes include at least one of the following: density, crawling direction, correspondence with cancer focus, edge characteristics It can be seen that the medical imaging device of the present application can accurately determine the type of embolism by the imaging result of 4D medical imaging, and improve the accuracy and efficiency of embolism recognition.
- FIG. 3 is a schematic structural diagram of a medical imaging apparatus 300 provided by an embodiment of the present application.
- the medical imaging apparatus 300 includes a processor 310, a memory 320, a communication interface 330, and one or more programs 321, wherein the one or more programs 321 are stored in the above-mentioned memory 320 and are configured to be executed by the above-mentioned processor 310, and the one or more
- the program 321 includes instructions for executing the following steps; determining a bitmap BMP data source according to multiple scanned images of a target part of the target user, the target part including embolism formed on the wall of the target blood vessel; according to the BMP data source Generate target medical image data, the target medical image data including the target blood vessel data set and the embolization data set, the first data in the target blood vessel data set and the first data in the embolization data set The two data are independent of each other.
- the data set of the target blood vessel is the result of the transfer function of the cube space of the target blood vessel surface and the tissue structure inside the target blood vessel; 4D medical imaging is performed according to the target medical image data, and according to the imaging As a result, the characteristic attribute of the embolism is determined, and the characteristic attribute includes at least one of the following: density, crawling direction, correspondence with the cancer focus, and edge characteristics; the type of the embolism is determined according to the characteristic, and the type is output .
- the medical imaging device firstly determines the bitmap BMP data source based on multiple scanned images of the target part of the target user, and secondly, generates the target medical image data based on the BMP data source, and again, based on the target medical image
- the data is subjected to 4D medical imaging, and the characteristic attributes of the embolism are determined according to the imaging results. Finally, the type of embolism is determined according to the characteristics, and the type is output.
- the target part includes the embolism formed on the wall of the target blood vessel
- the target medical image data includes the data set of the target blood vessel and the embolization data set
- the data are independent of each other.
- the data set of the target blood vessel is the result of the transfer function of the cube space between the surface of the target blood vessel and the tissue structure inside the target blood vessel.
- the characteristic attributes include at least one of the following: density, crawling direction, correspondence with cancer focus, edge characteristics It can be seen that the medical imaging device of the present application can accurately determine the type of embolism by the imaging result of 4D medical imaging, and improve the accuracy and efficiency of embolism recognition.
- the characteristic attribute includes density
- the instructions in the program are specifically used to perform the following operations: obtaining a pre-stored vascular embolism density table,
- the blood vessel embolism density table includes the correspondence between blood vessels of different parts and the density intervals of thrombus or cancer embolism formed in the blood vessels; query the blood vessel embolism density table to obtain the target density interval to which the embolism density of the target part belongs Determining that the thrombus or cancer thrombus corresponding to the target density interval is the type of the embolism.
- the characteristic attribute includes a crawling direction; in terms of determining the type of the embolism according to the characteristic, the instructions in the program are specifically used to perform the following operations: if the embolism is detected If the crawling direction is against the blood flow direction, it is determined that the embolism is a cancer thrombus; if it is detected that the crawling direction of the embolism is the blood flow direction, it is determined that the embolism is a thrombus.
- the characteristic attribute includes the correspondence with the cancer focus; in terms of determining the type of embolism according to the characteristic, the instructions in the program are specifically used to perform the following operations: the program It also includes instructions for performing the following operations: if it is detected that the embolism corresponds to the cancer foci, it is determined that the embolism is a cancer embolus; if the embolism is detected that the correspondence to the cancer foci is not Correspondingly, the embolism is determined to be a thrombus.
- the characteristic attribute includes edge characteristics; in terms of determining the type of embolism according to the characteristic, the instructions in the program are specifically used to perform the following operations: if the embolism is detected If the edge characteristic is smooth and continuous, it is determined that the embolism is a cancer thrombus; if the edge characteristic of the embolus is detected as not smooth and continuous, it is determined that the embolism is a thrombus.
- the characteristic attributes include density, crawling direction, correspondence with cancer foci, and edge characteristics; in terms of determining the type of embolism based on the characteristics, the instructions in the program are specifically used To perform the following operations: obtain a pre-trained embolization recognition model of the target blood vessel at the target site; import the density, the crawling direction, the correspondence with the cancer site, and the edge characteristics as input data
- the embolism recognition model obtains a first probability that the embolism is a thrombus and a second probability that the embolism is a cancer thrombus; the type of the embolism is determined according to the first probability and the second probability.
- the instructions in the program are specifically used to perform the following operations: import the BMP data source into a preset VRDS medical network model , Obtain first medical image data, the first medical image data includes the original data set of the target blood vessel, the original data set of the target blood vessel includes the fusion data of the target blood vessel and the embolism;
- the first medical image data is imported into a preset cross-vessel network model, and the fusion data is spatially segmented through the cross-vessel network model to obtain the data set of the target blood vessel and the embolization data set;
- the target blood vessel data collection and the embolization data collection are used to obtain the target medical image data.
- the medical imaging apparatus includes hardware structures and/or software modules corresponding to each function.
- this application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
- the embodiment of the present application may divide the medical imaging device into functional units according to the foregoing method examples.
- each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit. It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
- FIG. 4 is a block diagram of the functional unit composition of an Ai recognition device 400 based on embolization of VRDS Ai 4D medical images involved in an embodiment of the present application.
- the Ai recognition device 400 based on embolism of VRDS Ai 4D medical images is applied to a medical imaging device.
- the Ai recognition device 400 based on embolism of VRDS Ai 4D medical images includes a processing unit 401 and a communication unit 402. Among them,
- the processing unit 401 is configured to determine a bitmap BMP data source according to multiple scanned images of a target part of a target user, the target part including an embolism formed on the wall of a target blood vessel; and to determine a bitmap BMP data source according to the BMP data source Generate target medical image data, the target medical image data including the target blood vessel data set and the embolization data set, the first data in the target blood vessel data set and the first data in the embolization data set The two data are mutually independent, the data set of the target blood vessel is the result of the transfer function of the cube space of the target blood vessel surface and the tissue structure inside the target blood vessel; and is used for 4D medical imaging according to the target medical image data,
- the characteristic attribute of the embolism is determined according to the imaging result, and the characteristic attribute includes at least one of the following: density, crawling direction, correspondence with the tumor site, edge characteristics; and used to determine the type of embolism according to the characteristic , And output the type through the communication unit 402.
- the Ai recognition device 400 based on embolism of VRDS Ai 4D medical images may further include a storage unit 403 for storing program codes and data of the electronic device.
- the processing unit 401 may be a processor
- the communication unit 402 may be a touch screen or a transceiver
- the storage unit 403 may be a memory.
- the medical imaging device firstly determines the bitmap BMP data source based on multiple scanned images of the target part of the target user, and secondly, generates the target medical image data based on the BMP data source, and again, based on the target medical image
- the data is subjected to 4D medical imaging, and the characteristic attributes of the embolism are determined according to the imaging results. Finally, the type of embolism is determined according to the characteristics, and the type is output.
- the target part includes the embolism formed on the wall of the target blood vessel
- the target medical image data includes the data set of the target blood vessel and the embolization data set
- the data are independent of each other.
- the data set of the target blood vessel is the result of the transfer function of the cube space between the surface of the target blood vessel and the tissue structure inside the target blood vessel.
- the characteristic attributes include at least one of the following: density, crawling direction, correspondence with cancer focus, edge characteristics It can be seen that the medical imaging device of the present application can accurately determine the type of embolism by the imaging result of 4D medical imaging, and improve the accuracy and efficiency of embolism recognition.
- the characteristic attribute includes density
- the processing unit 401 is specifically configured to: obtain a pre-stored vascular embolism density table, and the vascular embolism
- the density table includes the correspondence between blood vessels of different parts and the density intervals of thrombus or cancer embolism formed in the blood vessels; query the blood vessel embolism density table to obtain the target density interval to which the embolism density of the target part belongs; determine the The thrombus or cancer thrombus corresponding to the target density interval is the type of the embolism.
- the characteristic attribute includes a crawling direction; in terms of determining the type of the embolism according to the characteristic, the processing unit 401 is specifically configured to: if it is detected that the crawling direction of the embolism is reverse If the direction of blood flow is the direction of blood flow, it is determined that the embolism is a cancer embolus; if it is detected that the crawling direction of the embolism is the direction of blood flow, the embolism is determined to be a thrombus.
- the characteristic attribute includes the correspondence with the cancer focus; in terms of determining the type of embolism according to the characteristic, the processing unit 401 is specifically configured to: if the embolism is detected Correspondence with the cancer foci is determined to be the embolism; if the embolism is detected as not corresponding to the cancer foci, it is determined that the embolism is a thrombus.
- the characteristic attribute includes an edge characteristic; in terms of determining the type of the plug according to the characteristic, the processing unit 401 is specifically configured to: if the edge characteristic of the plug is detected to be smooth If it is continuous, it is determined that the embolism is a cancer embolus; if it is detected that the edge characteristics of the embolism are not smooth and continuous, it is determined that the embolism is a thrombus.
- the characteristic attributes include density, crawling direction, correspondence with cancer foci, and edge characteristics; in terms of determining the type of embolism according to the characteristics, the processing unit 401 is specifically configured to : Obtain a pre-trained embolization recognition model of the target blood vessel at the target site; use the density, the crawling direction, the correspondence with the cancer focus site, and the edge characteristics as input data to import the embolization recognition model Model to obtain a first probability that the embolism is a thrombus and a second probability that the embolism is a cancer thrombus; the type of the embolism is determined according to the first probability and the second probability.
- the processing unit 401 is specifically configured to: import the BMP data source into a preset VRDS medical network model to obtain the first Medical image data, the first medical image data includes a raw data set of the target blood vessel, the raw data set of the target blood vessel includes fusion data of the target blood vessel and the embolism; and the first medical image Import data into a preset cross-vessel network model, and perform spatial segmentation processing on the fusion data through the cross-vessel network model to obtain the data set of the target blood vessel and the embolization data set; integrate the data of the target blood vessel And the embolization data collection to obtain the target medical image data.
- An embodiment of the present application also provides a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any method as recorded in the above method embodiment ,
- the aforementioned computer includes a medical imaging device.
- the embodiments of the present application also provide a computer program product.
- the above-mentioned computer program product includes a non-transitory computer-readable storage medium storing a computer program. Part or all of the steps of the method.
- the computer program product may be a software installation package, and the computer includes a medical imaging device.
- the disclosed device may be implemented in other ways.
- the device embodiments described above are only illustrative.
- the division of the above-mentioned units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or integrated. To another system, or some features can be ignored, or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical or other forms.
- the units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.
- the above integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable memory.
- the technical solution of the present application essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a memory, A number of instructions are included to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the foregoing methods of the various embodiments of the present application.
- the aforementioned memory includes: U disk, Read-Only Memory (ROM, Read-Only Memory), Random Access Memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.
- the program can be stored in a computer-readable memory, and the memory can include: flash disk , Read-only memory (English: Read-Only Memory, abbreviation: ROM), random access device (English: Random Access Memory, abbreviation: RAM), magnetic disk or optical disc, etc.
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Abstract
Description
Claims (20)
- 一种基于VRDS 4D医学影像的栓塞的Ai识别方法,其特征在于,应用于医学成像装置;所述方法包括:根据目标用户的目标部位的多张扫描图像确定位图BMP数据源,所述目标部位包括形成于目标血管的管壁的栓塞;根据所述BMP数据源生成目标医学影像数据,所述目标医学影像数据包括所述目标血管的数据集合和所述栓塞的数据集合,所述目标血管的数据集合中的第一数据和所述栓塞的数据集合中的第二数据相互独立,所述目标血管的数据集合为所述目标血管表面和所述目标血管内部的组织结构的立方体空间的传递函数结果;根据所述目标医学影像数据进行4D医学成像,并根据成像结果确定所述栓塞的特征属性,所述特征属性包括以下至少一种:密度、爬行方向、与癌灶部位对应性、边缘特性;根据所述特征确定所述栓塞的类型,并输出所述类型。
- 根据权利要求1所述的方法,其特征在于,所述特征属性包括密度;所述根据所述特征确定所述栓塞的类型,包括:获取预存的血管栓塞密度表,所述血管栓塞密度表包括不同部位的血管与形成于该血管的血栓或癌栓的密度区间的对应关系;查询所述血管栓塞密度表,获取所述目标部位的栓塞的密度所属的目标密度区间;确定所述目标密度区间对应的血栓或癌栓为所述栓塞的类型。
- 根据权利要求1所述的方法,其特征在于,所述特征属性包括爬行方向;所述根据所述特征确定所述栓塞的类型,包括:若检测到所述栓塞的爬行方向为逆血流方向,则确定所述栓塞为癌栓;若检测到所述栓塞的爬行方向为血流方向,则确定所述栓塞为血栓。
- 根据权利要求1所述的方法,其特征在于,所述特征属性包括与癌灶部位对应性;所述根据所述特征确定所述栓塞的类型,包括:若检测到所述栓塞的与癌灶部位对应性为对应,则确定所述栓塞为癌栓;若检测到所述栓塞的与癌灶部位对应性为不对应,则确定所述栓塞为血栓。
- 根据权利要求1所述的方法,其特征在于,所述特征属性包括边缘特性;所述根据所述特征确定所述栓塞的类型,包括:若检测到所述栓塞的边缘特性为光滑连续,则确定所述栓塞为癌栓;若检测到所述栓塞的边缘特性为不光滑连续,则确定所述栓塞为血栓。
- 根据权利要求1所述的方法,其特征在于,所述特征属性包括密度、爬行方向、与癌灶部位对应性、边缘特性;所述根据所述特征确定所述栓塞的类型,包括:获取预先训练好的所述目标部位的目标血管的栓塞识别模型;将所述密度、所述爬行方向、所述与癌灶部位对应性、所述边缘特性作为输入数据,导入所述栓塞识别模型,得到所述栓塞为血栓的第一概率和所述栓塞为癌栓的第二概率;根据所述第一概率和所述第二概率确定所述栓塞的类型。
- 根据权利要求1-6任一项所述的方法,其特征在于,所述根据所述BMP数据源生成目标医学影像数据,包括:将所述BMP数据源导入预设的VRDS医学网络模型,得到第一医学影像数据,所述第一医学影像数据包括所述目标血管的原始数据集合,所述目标血管的原始数据集合中包括所述目标血管与所述栓塞的融合数据;将所述第一医学影像数据导入预设的交叉血管网络模型,通过所述交叉血管网络模型对所述融合数据进行空间分割处理,得到所述目标血管的数据集合和所述栓塞的数据集合;综合所述目标血管的数据集合和所述栓塞的数据集合,得到所述目标医学影像数据。
- 根据权利要求7所述的方法,其特征在于,所述综合所述目标血管的数据集合和所述栓塞的数据集合,得到所述目标医学影像数据,包括:对所述目标血管的数据集合和所述栓塞的数据集合执行第二预设处理,得到所述目标医学影像数据,所述第二预设处理包括以下至少一种操作:2D边 界优化处理、3D边界优化处理、数据增强处理。
- 根据权利要求1所述的方法,其特征在于,所述输出所述类型,包括:在显示设备上显示所述栓塞的类型。
- 一种基于VRDS Ai 4D医学影像的栓塞的Ai识别装置,其特征在于,应用于医学成像装置;所述基于VRDS Ai 4D医学影像的栓塞的Ai识别装置包括处理单元和通信单元,其中,所述处理单元,用于根据目标用户的目标部位的多张扫描图像确定位图BMP数据源,所述目标部位包括形成于目标血管的管壁的栓塞;以及用于根据所述BMP数据源生成目标医学影像数据,所述目标医学影像数据包括所述目标血管的数据集合和所述栓塞的数据集合,所述目标血管的数据集合中的第一数据和所述栓塞的数据集合中的第二数据相互独立,所述目标血管的数据集合为所述目标血管表面和所述目标血管内部的组织结构的立方体空间的传递函数结果;以及用于根据所述目标医学影像数据进行4D医学成像,并根据成像结果确定所述栓塞的特征属性,所述特征属性包括以下至少一种:密度、爬行方向、与癌灶部位对应性、边缘特性;以及用于根据所述特征确定所述栓塞的类型,并通过所述通信单元输出所述类型。
- 根据权利要求10所述的装置,其特征在于,所述特征属性包括密度;在所述根据所述特征确定所述栓塞的类型方面,所述处理单元具体用于:获取预存的血管栓塞密度表,所述血管栓塞密度表包括不同部位的血管与形成于该血管的血栓或癌栓的密度区间的对应关系;查询所述血管栓塞密度表,获取所述目标部位的栓塞的密度所属的目标密度区间;确定所述目标密度区间对应的血栓或癌栓为所述栓塞的类型。
- 根据权利要求10所述的装置,其特征在于,所述特征属性包括爬行方向;在所述根据所述特征确定所述栓塞的类型方面,所述处理单元具体用于:若检测到所述栓塞的爬行方向为逆血流方向,则确定所述栓塞为癌栓;若检测到所述栓塞的爬行方向为血流方向,则确定所述栓塞为血栓。
- 根据权利要求10所述的装置,其特征在于,所述特征属性包括与癌灶部位对应性;在所述根据所述特征确定所述栓塞的类型方面,所述处理单元具 体用于:若检测到所述栓塞的与癌灶部位对应性为对应,则确定所述栓塞为癌栓;若检测到所述栓塞的与癌灶部位对应性为不对应,则确定所述栓塞为血栓。
- 根据权利要求10所述的装置,其特征在于,所述特征属性包括边缘特性;在所述根据所述特征确定所述栓塞的类型方面,所述处理单元具体用于:若检测到所述栓塞的边缘特性为光滑连续,则确定所述栓塞为癌栓;若检测到所述栓塞的边缘特性为不光滑连续,则确定所述栓塞为血栓。
- 根据权利要求10所述的装置,其特征在于,所述特征属性包括密度、爬行方向、与癌灶部位对应性、边缘特性;在所述根据所述特征确定所述栓塞的类型方面,所述处理单元具体用于:获取预先训练好的所述目标部位的目标血管的栓塞识别模型;将所述密度、所述爬行方向、所述与癌灶部位对应性、所述边缘特性作为输入数据,导入所述栓塞识别模型,得到所述栓塞为血栓的第一概率和所述栓塞为癌栓的第二概率;根据所述第一概率和所述第二概率确定所述栓塞的类型。
- 根据权利要求10-15任一项所述的装置,其特征在于,在所述根据所述BMP数据源生成目标医学影像数据方面,所述处理单元具体用于:将所述BMP数据源导入预设的VRDS医学网络模型,得到第一医学影像数据,所述第一医学影像数据包括所述目标血管的原始数据集合,所述目标血管的原始数据集合中包括所述目标血管与所述栓塞的融合数据;将所述第一医学影像数据导入预设的交叉血管网络模型,通过所述交叉血管网络模型对所述融合数据进行空间分割处理,得到所述目标血管的数据集合和所述栓塞的数据集合;综合所述目标血管的数据集合和所述栓塞的数据集合,得到所述目标医学影像数据。
- 根据权利要求16所述的装置,其特征在于,在所述综合所述目标血管的数据集合和所述栓塞的数据集合,得到所述目标医学影像数据方面,所述处理单元具体用于:对所述目标血管的数据集合和所述栓塞的数据集合执行第二预设处理,得到所述目标医学影像数据,所述第二预设处理包括以下至少一种操作:2D边界优化处理、3D边界优化处理、数据增强处理。
- 根据权利要求10所述的装置,其特征在于,在所述输出所述类型方面,所述输出单元具体用于:在显示设备上显示所述栓塞的类型。
- 一种医学成像装置,其特征在于,包括处理器、存储器、通信接口,以及一个或多个程序,所述一个或多个程序被存储在所述存储器中,并且被配置由所述处理器执行,所述程序包括用于执行如权利要求1-9任一项所述的方法中的步骤的指令。
- 一种计算机可读存储介质,其特征在于,存储用于电子数据交换的计算机程序,其中,所述计算机程序使得计算机执行如权利要求1-9任一项所述的方法。
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