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WO2021253730A1 - Procédé et appareil de génération de video d'évaluation, dispositif informatique et support de stockage - Google Patents

Procédé et appareil de génération de video d'évaluation, dispositif informatique et support de stockage Download PDF

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Publication number
WO2021253730A1
WO2021253730A1 PCT/CN2020/132975 CN2020132975W WO2021253730A1 WO 2021253730 A1 WO2021253730 A1 WO 2021253730A1 CN 2020132975 W CN2020132975 W CN 2020132975W WO 2021253730 A1 WO2021253730 A1 WO 2021253730A1
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Prior art keywords
temporary file
video
file
assessment
display interface
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English (en)
Chinese (zh)
Inventor
归晓斌
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Feiyinuo Technology Suzhou Co Ltd
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Feiyinuo Technology Suzhou Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/441—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4438—Window management, e.g. event handling following interaction with the user interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working

Definitions

  • This application relates to the field of medical imaging technology, and in particular to a method, device, computer equipment, and storage medium for generating a scanning skill assessment video in an ultrasonic detection process.
  • Ultrasound examination is a method of medical imaging examination, which assists clinicians in the diagnosis of diseases, and can also be used to evaluate the efficacy and guide the next treatment. Under normal circumstances, it is necessary to train and guide junior physicians in ultrasound scanning skills to improve the technical level of junior physicians.
  • a method for generating an assessment video comprising:
  • the first temporary file and the second temporary file are merged to generate an assessment video file corresponding to the ultrasound scanning skills.
  • the response to the video recording instruction to start acquiring the display interface image of the ultrasound display terminal includes:
  • a new window is created in the display interface of the ultrasound display terminal, and all areas of the display interface corresponding to the window except the ultrasound image area are blocked;
  • the generating the first temporary file according to the acquired image sequence of the display interface and generating the second temporary file according to the acquired image sequence of the operation technique includes:
  • the number of frames of the first temporary file is the same as the number of frames of the second temporary file.
  • the merging the first temporary file and the second temporary file to generate an assessment video file corresponding to the ultrasound scanning skill includes:
  • the second temporary file is appended to the end position of the first temporary file to generate an assessment video file corresponding to the ultrasound scanning skill.
  • the number of the assessment video files is multiple; the method further includes:
  • the cloud server In response to the upload instruction, upload the evaluation video file to be uploaded to a cloud server; the cloud server stores evaluation data generated by evaluating the uploaded evaluation video file.
  • the method before the responding to the video recording instruction, the method further includes:
  • the login instruction In response to a login instruction, log in to the ultrasound display terminal; the login instruction includes a user identification of the examined physician, and the user identification is used to instruct the cloud server to establish a network connection with the ultrasound display terminal.
  • the merging the first temporary file with the second temporary file when the video recording ends includes:
  • the video recording is ended, and the first temporary file and the second temporary file are merged;
  • the video recording is ended, and the first temporary file and the second temporary file are merged.
  • a processing device for assessment data comprising:
  • the image acquisition module is used to start acquiring the display interface image of the ultrasonic display terminal in response to the video recording instruction, and at the same time turn on the image acquisition device to perform image acquisition on the operating method of the ultrasonic probe;
  • the temporary file generating module is configured to generate a first temporary file according to the acquired image sequence of the display interface, and generate a second temporary file according to the acquired image sequence of manipulation techniques;
  • the video file generating module is configured to merge the first temporary file with the second temporary file when the video recording ends to generate an assessment video file corresponding to the ultrasound scanning skill.
  • a computer device includes a memory and a processor, the memory stores a computer program, and the processor implements the following steps when the computer program is executed:
  • the first temporary file and the second temporary file are merged to generate an assessment video file corresponding to the ultrasound scanning skills.
  • the first temporary file and the second temporary file are merged to generate an assessment video file corresponding to the ultrasound scanning skills.
  • the method, device, computer equipment and storage medium for generating the above assessment video start to acquire the display interface image of the ultrasonic display terminal by responding to the video recording instruction, and at the same time turn on the image acquisition device to perform image acquisition on the operating technique of the ultrasonic probe;
  • the acquired display interface image sequence generates a first temporary file, and a second temporary file is generated according to the acquired operation technique image sequence; when the video recording is over, the first temporary file and the second temporary file are merged to generate an ultrasound scan
  • the assessment video files can be used to assess the ultrasound scanning skills of junior physicians, which changes the assessment method of ultrasound scanning skills in traditional technology, avoids expert physicians from viewing the scanning process of junior physicians on site, and improves the assessment efficiency of ultrasound scanning skills .
  • FIG. 1 is an application environment diagram of a method for generating an assessment video in an embodiment
  • FIG. 2 is a schematic flowchart of a method for generating an assessment video in an embodiment
  • FIG. 3 is a schematic flowchart of step S202 in an embodiment
  • FIG. 4 is a schematic flowchart of step S204 in an embodiment
  • Figure 5a is a schematic flowchart of a method for generating an assessment video in an embodiment
  • Figure 5b is a schematic diagram of an interface for uploading an assessment video in an embodiment
  • Figure 6 is a schematic diagram of a login interface of an ultrasound display terminal in an embodiment
  • FIG. 7 is a schematic flowchart of a method for generating an assessment video in an embodiment
  • Figure 8a is a schematic diagram of an evaluation query interface of a first terminal in an embodiment
  • Figure 8b is a schematic diagram of an evaluation query interface of the first terminal in an embodiment
  • Figure 9 is a structural block diagram of a device for generating assessment videos in an embodiment
  • Fig. 10 is an internal structure diagram of a computer device in an embodiment.
  • the method for generating assessment videos provided in this application can be applied to the application environment as shown in FIG. 1.
  • the ultrasound display terminal 102 communicates with the cloud server 104 through the network.
  • the first terminal 106 used by the physician to be assessed (usually a junior physician) and the second terminal 108 used by the expert physician also communicate with the cloud server 104 via the network.
  • the ultrasonic display terminal 102 responds to the video recording instruction to start acquiring the display interface image of the ultrasonic display terminal, and at the same time, the image acquisition device is turned on to perform image acquisition of the operating method of the ultrasonic probe; thus, the first temporary file is generated according to the acquired display interface image sequence , Generate a second temporary file according to the collected operation technique image sequence; when the video recording ends, merge the first temporary file with the second temporary file to generate an assessment video file corresponding to the ultrasound scanning skills.
  • the ultrasound imaging equipment includes an ultrasound probe and an ultrasound display terminal 102.
  • the ultrasound display terminal 102 includes a processor, a display, and a memory.
  • the processor processes the ultrasonic echo signal/data to obtain the ultrasonic image of the target part or the ultrasonic image of the interventional object.
  • the ultrasound images obtained by the processor can be stored in the memory, and these ultrasound images can be displayed on the display or sent to the ultrasound workstation.
  • the first terminal 106 and the second terminal 108 can be, but are not limited to, various personal computers, laptops, smart phones, tablets, and portable wearable devices.
  • the cloud server 104 can be an independent server or a server cluster composed of multiple servers. to realise.
  • a method for generating an assessment video is provided. Taking the method applied to the ultrasound display terminal 102 in FIG. 1 as an example for description, the method includes the following steps:
  • the primary physician when performing medical ultrasound testing, operates the ultrasound probe to scan the target site to be tested.
  • the ultrasonic display terminal applies an electrical signal to the ultrasonic probe through the ultrasonic cable so that the ultrasonic probe emits ultrasonic waves to the target site to be detected.
  • the ultrasonic probe receives the echo signal reflected by the target part and feeds the echo signal back to the ultrasonic display terminal through the ultrasonic cable.
  • the ultrasonic display terminal can generate an ultrasonic image of the target part according to the echo signal for diagnosis by the physician.
  • the target part is a part of interest of the physician, such as liver, pancreas, uterus, etc.
  • a corresponding display interface can be provided for primary physicians to operate.
  • the above display interface can include controls such as a logo marquee or a menu bar.
  • the junior doctor can input the operation instructions for the ultrasound image through the display interface according to the actual use situation, so as to perform operations such as measurement of the ultrasound image through the ultrasound display terminal.
  • the operating methods of the ultrasound probe may include forward, backward, rotating, tilting to the left, tilting to the right, increasing or decreasing the force, acceleration and deceleration, etc. of the ultrasound probe.
  • the image acquisition device can collect the image of the doctor's operation method of the ultrasound probe, thereby saving his operation method of the ultrasound probe, and lay the foundation for generating the assessment video file.
  • a video recording button is set in the display interface of the ultrasound display terminal, and the video recording button is triggered when the junior physician performs scanning exercises or scanning examinations on the ultrasound display terminal.
  • the ultrasound display terminal responds to the video recording instruction issued by the primary physician, and not only starts to record the screen of the display interface of the ultrasound display terminal, but also turns on the image acquisition device to perform image acquisition on the operating method of the ultrasound probe.
  • the ultrasound scanning process of the primary physician can be completely preserved, so that the expert physician can subsequently evaluate the skill level of the primary physician.
  • the shooting range of the image acquisition device may include the operation technique of the ultrasound probe, and may also include the face of the primary physician, so as to avoid the occurrence of cheating.
  • S204 Generate a first temporary file according to the acquired image sequence of the display interface, and generate a second temporary file according to the acquired image sequence of the manipulation technique.
  • a series of display interface images obtained by recording the display interface of the ultrasound display device constitute a display interface image sequence.
  • a series of manipulation images collected by the image capture device constitutes a sequence of manipulation images.
  • this application creatively uses the display interface image sequence and the operation technique image sequence to create the evaluation video file, and when playing the evaluation video file, it is necessary to ensure that the time correspondence between the display interface image and the operation technique image is followed Relationship, the two will be played synchronously. Therefore, in order to ensure the accuracy of the data and the subsequent generation of an orderly assessment video file, the display interface image and the operation technique image are respectively temporarily saved.
  • the acquired image sequence of the display interface is saved in the first temporary file, and the acquired operation technique image sequence is saved in the second temporary file.
  • the first temporary file and the second temporary file are merged to generate a video file, which reduces the time and effort spent on the evaluation of expert physicians.
  • the assessment video file is provided with a file header, and the file header information includes the data length information of the assessment video file.
  • the assessment video file corresponding to the scanning skill ensures that the two parts of the image have the same end time; the synchronization of the display interface image screen and the operation method image screen in the assessment video file is realized, so that the assessment video file can be used for the ultrasound of the junior physician
  • the assessment of scanning skills has changed the assessment method of ultrasonic scanning skills in traditional technology, avoiding expert physicians from viewing the scanning process of junior physicians on site, and improving the assessment efficiency of ultrasonic scanning skills.
  • starting to acquire a display interface image of the ultrasound display terminal includes the following steps:
  • the display interface image of the ultrasound display terminal includes not only the ultrasound image area, but also other areas that display patient information, doctor information, and hospital information. Specifically, in order to ensure the fairness of the assessment, it is necessary for expert physicians to hide this information in other areas. Therefore, before starting the video recording, that is, after responding to the video recording instruction, a new window can be created in the display interface of the ultrasound display terminal.
  • the window can be invisible to the assessed physician, that is, the information seen by the assessed physician still includes the information of the ultrasound image area and other areas, while the expert physician only needs to see the ultrasound In the image area, all areas of the display interface corresponding to the newly created window except the ultrasound image area are blocked, so that the corresponding display interface image is obtained based on the newly created window.
  • a new window is created, and all areas except the ultrasound image area in the display interface corresponding to the window are blocked, which ensures the fairness of the assessment.
  • generating the first temporary file according to the acquired display interface image sequence, and generating the second temporary file according to the acquired operation technique image sequence includes the following steps:
  • S402 Acquire a display interface image at a preset frame rate, and write them in the first temporary file sequentially in chronological order;
  • S404 Collect the operation technique images at the same preset frame rate, and write them into the second temporary file in sequence according to the time sequence.
  • the number of frames of the first temporary file is the same as the number of frames of the second temporary file.
  • the display interface image screen and the operation technique image screen are played synchronously, the time to start acquiring the display interface image and the time to start collecting the operation technique image must be consistent, and the acquisition of the display interface image must be stopped.
  • the time of, and the time of stopping the acquisition of the image of the operation technique must be the same, and the two need to write their corresponding images to the first temporary file and the second temporary file in chronological order at the same frame rate (for example, 15 frames per second) .
  • the second temporary file is appended to the end position of the first temporary file to generate an assessment video file corresponding to the ultrasonic scanning skills.
  • the acquired display interface image and operation technique image are temporarily saved in chronological order at the same frame rate, the acquired display interface image sequence is written into the first temporary file, and the acquired operation technique image sequence Writing into the second temporary file can ensure the accuracy of the data and the subsequent generation of an orderly assessment video file.
  • the number of assessment video files is multiple.
  • the method also includes the following steps:
  • S502 In response to the selection instruction of at least one evaluation video file, determine the evaluation video file corresponding to the selection instruction as the evaluation video file to be uploaded;
  • the junior physician can perform multiple operations on the ultrasound display terminal for practice requirements or examination requirements to obtain multiple assessment video files, and can browse multiple assessment video files from multiple assessment video files. Determine the more satisfactory video file. Specifically, a selection operation is performed on multiple evaluation video files, and in response to a selection instruction of at least one evaluation video file, the selected at least one evaluation video file is determined to be an evaluation video file with upload. Then, the upload button in the display interface is triggered, and in response to the upload instruction, the assessment video file to be uploaded starts to upload.
  • the cloud server can store the evaluation data, and the cloud server stores the evaluation data generated by evaluating the uploaded evaluation video file.
  • the method before responding to the video recording instruction, the method further includes: responding to the login instruction, logging in to the ultrasound display terminal.
  • the login instruction includes the user identification of the assessed physician, and the user identification is used to instruct the cloud server to establish a network connection with the ultrasound display terminal.
  • the ultrasound display terminal displays a login interface, and the assessed physician is provided with a user ID, and the user ID and password of the assessed physician (usually a junior physician) are used to log in.
  • the login instruction log in to the ultrasound display terminal.
  • the login instruction includes the user identification of the assessed physician, and the user identification is used to instruct the cloud server to establish a network connection with the ultrasound display terminal.
  • the assessed physician can obtain practice requirements or examination requirements before uploading the assessment video file to the cloud server.
  • merging the first temporary file with the second temporary file includes: when the duration of the video recording reaches the preset duration, ending the video recording, and combining the first temporary file with the second temporary file File merging; or in response to the video stop recording instruction, end video recording, and merge the first temporary file with the second temporary file.
  • the present application provides a method for generating an assessment video.
  • the method includes the following steps:
  • the login instruction includes the user identification of the assessed physician, and the user identification is used to instruct the cloud server to establish a network connection with the ultrasound display terminal.
  • S706 Acquire a display interface image corresponding to the window, and at the same time turn on the image acquisition device to perform image acquisition on the operating method of the ultrasonic probe.
  • S708 Acquire the display interface image at a preset frame rate, and write the first temporary file sequentially in chronological order.
  • the number of frames of the first temporary file is the same as the number of frames of the second temporary file.
  • the number of assessment video files is multiple.
  • the duration of the video recording reaches the preset duration
  • the video recording is ended, and the second temporary file is appended to the end of the first temporary file; or in response to the video stop recording instruction, the video recording is ended, and the second temporary file is appended to the first temporary file.
  • the end position of a temporary file is the end position of a temporary file.
  • the cloud server stores evaluation data generated by evaluating the uploaded evaluation video file.
  • the present application provides a method for generating assessment videos.
  • the method includes the following steps:
  • S816 Generate a first temporary file according to the acquired image sequence of the display interface, and generate a second temporary file according to the acquired image sequence of the manipulation technique.
  • the display interface images are acquired at a preset frame rate and written into the first temporary file in chronological order;
  • the operation technique images are acquired at the same preset frame rate and written into the second temporary file in chronological order; wherein, The number of frames of the first temporary file is the same as the number of frames of the second temporary file. It can be ensured that the image of the display interface and the image of the operation technique can be played synchronously.
  • S820 In response to the selection instruction of at least one evaluation video file, determine the evaluation video file corresponding to the selection instruction as the evaluation video file to be uploaded.
  • the expert physician views the assessment video file on the second terminal, and simultaneously plays the ultrasound image and the operation technique image.
  • the expert physician evaluates the awareness to be evaluated through the display interface of the second terminal, and generates evaluation data.
  • the second terminal may send the evaluation data to the cloud server, and the cloud server receives the evaluation data generated by evaluating the uploaded evaluation video file.
  • the query instruction includes the user identification of the assessed physician, and the user identification is used to instruct the cloud server to search for corresponding evaluation data according to the user identification.
  • the assessed physician inquires the assessment result of the exercise or examination through the first terminal.
  • a device 900 for generating an assessment video which includes: an image acquisition module 910, a temporary file generation module 920, and a video file generation module 930, wherein:
  • the image acquisition module 910 is configured to start acquiring the display interface image of the ultrasound display terminal in response to the video recording instruction, and at the same time turn on the image acquisition device to perform image acquisition on the operating method of the ultrasound probe;
  • the temporary file generating module 920 is configured to generate a first temporary file according to the acquired image sequence of the display interface, and generate a second temporary file according to the acquired image sequence of manipulation techniques;
  • the video file generating module 930 is configured to merge the first temporary file with the second temporary file when the video recording ends to generate an assessment video file corresponding to the ultrasound scanning skill.
  • the image acquisition module 910 is further configured to create a new window in the display interface of the ultrasound display terminal in response to a video recording instruction, and the display interface corresponding to the window except the ultrasound image area The areas are all blocked; the display interface image corresponding to the window is acquired.
  • the temporary file generating module 920 is further configured to obtain the display interface image at a preset frame rate, and write the first temporary file sequentially in chronological order; to capture the operation at the same preset frame rate The manual image is written into the second temporary file sequentially in chronological order; wherein the number of frames of the first temporary file is the same as the number of frames of the second temporary file.
  • the video file generating module 930 is further configured to append the second temporary file to the end position of the first temporary file to generate an assessment video file corresponding to the ultrasound scanning skill.
  • the number of the assessment video files is multiple; the generating device further includes a video file selection module and a video file upload module, wherein:
  • the video file selection module is configured to respond to at least one selection instruction of the evaluation video file, and determine the evaluation video file corresponding to the selection instruction as the evaluation video file to be uploaded;
  • the video file upload module is configured to upload the evaluation video file to be uploaded to a cloud server in response to an upload instruction; the cloud server stores evaluation data generated by evaluating the uploaded evaluation video file.
  • the generating device further includes a login module for logging in to the ultrasound display terminal in response to a login instruction; the login instruction includes the user identification of the examined physician, and the user identification is used to indicate the The cloud server establishes a network connection with the ultrasound display terminal.
  • the video file generation module 930 is further configured to end video recording when the duration of the video recording reaches a preset duration, and merge the first temporary file with the second temporary file; or respond to the video Stop the recording instruction, end the video recording, and merge the first temporary file with the second temporary file.
  • Each module in the device for generating an assessment video described above can be implemented in whole or in part by software, hardware, and a combination thereof.
  • the foregoing modules may be embedded in the form of hardware or independent of the processor in the computer device, or may be stored in the memory of the computer device in the form of software, so that the processor can call and execute the operations corresponding to the foregoing modules.
  • a computer device is provided.
  • the computer device may be a terminal, and its internal structure diagram may be as shown in FIG. 10.
  • the computer equipment includes a processor, a memory, a communication interface, a display screen and an input device connected through a system bus.
  • the processor of the computer device is used to provide calculation and control capabilities.
  • the memory of the computer device includes a non-volatile storage medium and an internal memory.
  • the non-volatile storage medium stores an operating system and a computer program.
  • the internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium.
  • the communication interface of the computer device is used to communicate with an external terminal in a wired or wireless manner, and the wireless manner can be implemented through WIFI, an operator's network, NFC (near field communication) or other technologies.
  • WIFI wireless fidelity
  • NFC near field communication
  • the computer program is executed by the processor, a method for generating an assessment video is realized.
  • the display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen
  • the input device of the computer equipment can be a touch layer covered on the display screen, or it can be a button, trackball or touchpad set on the housing of the computer equipment , It can also be an external keyboard, touchpad, or mouse.
  • FIG. 10 is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied.
  • the specific computer device may Including more or less parts than shown in the figure, or combining some parts, or having a different arrangement of parts.
  • a computer device including a memory and a processor, and a computer program is stored in the memory, and the processor implements the following steps when the processor executes the computer program:
  • the processor further implements the following steps when executing the computer program: in response to the video recording instruction, a new window is created in the display interface of the ultrasound display terminal, and the display interface corresponding to the window except for the ultrasound image area All other areas outside are blocked; the display interface image corresponding to the window is acquired.
  • the processor further implements the following steps when executing the computer program: acquiring the display interface images at a preset frame rate, and writing them to the first temporary file in chronological order; acquiring all images at the same preset frame rate The operation technique images are sequentially written into the second temporary file in chronological order; wherein the number of frames of the first temporary file is the same as the number of frames of the second temporary file.
  • the processor executes the computer program, the following steps are further implemented: append a second temporary file to the end position of the first temporary file, and generate an assessment video file corresponding to the ultrasound scanning skill.
  • the number of the evaluation video files is multiple; the processor further implements the following step when executing the computer program: in response to at least one selection instruction of the evaluation video file, the evaluation video file corresponding to the selection instruction The file is determined to be an evaluation video file to be uploaded; in response to an upload instruction, the evaluation video file to be uploaded is uploaded to a cloud server; the cloud server stores evaluation data generated by evaluating the uploaded evaluation video file.
  • the processor further implements the following steps when executing the computer program: in response to a login instruction, log in to the ultrasound display terminal; the login instruction includes the user identification of the examined physician, and the user identification is used to indicate The cloud server establishes a network connection with the ultrasound display terminal.
  • the processor further implements the following steps when executing the computer program: when the duration of the video recording reaches a preset duration, ending the video recording, and merging the first temporary file with the second temporary file; or responding In the video stop recording instruction, the video recording is ended, and the first temporary file and the second temporary file are merged.
  • a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:
  • the following steps are also implemented: in response to a video recording instruction, a new window is created in the display interface of the ultrasound display terminal, and the ultrasound image area is excluded from the display interface corresponding to the window. Areas other than those are blocked; the display interface image corresponding to the window is acquired.
  • the following steps are also implemented: acquiring the display interface image at a preset frame rate, and sequentially writing to the first temporary file in chronological order; acquiring at the same preset frame rate The operation technique images are sequentially written into the second temporary file in chronological order; wherein the number of frames of the first temporary file is the same as the number of frames of the second temporary file.
  • the following steps are further implemented: append a second temporary file to the end position of the first temporary file, and generate an assessment video file corresponding to the ultrasound scanning skill.
  • the number of the assessment video files is multiple; when the computer program is executed by the processor, the following steps are further implemented: in response to at least one selection instruction of the assessment video file, the assessment corresponding to the selection instruction
  • the video file is determined to be the evaluation video file to be uploaded; in response to the upload instruction, the evaluation video file to be uploaded is uploaded to the cloud server; the cloud server stores evaluation data generated by evaluating the uploaded evaluation video file .
  • the following steps are further implemented: in response to a login instruction, log in to the ultrasound display terminal; the login instruction includes the user identification of the examined physician, and the user identification is used to indicate The cloud server establishes a network connection with the ultrasound display terminal.
  • the following steps are further implemented: when the duration of the video recording reaches a preset duration, the video recording is ended, and the first temporary file and the second temporary file are merged; or In response to the video stop recording instruction, the video recording is ended, and the first temporary file and the second temporary file are merged.
  • Non-volatile memory may include read-only memory (Read-Only Memory, ROM), magnetic tape, floppy disk, flash memory, or optical storage.
  • Volatile memory may include random access memory (RAM) or external cache memory.
  • RAM may be in various forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), etc.

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Abstract

La présente demande concerne un procédé et un appareil de génération de vidéo d'évaluation, un dispositif informatique et un support de stockage. Le procédé consiste : en réponse à une instruction d'enregistrement vidéo, à démarrer l'acquisition d'une image d'interface d'affichage d'un terminal d'affichage à ultrasons, et à démarrer simultanément un dispositif de collecte d'image de manière à effectuer une collecte d'image sur une technique de fonctionnement d'une sonde à ultrasons; à générer un premier fichier temporaire selon une séquence d'images d'interface d'affichage acquises, et à générer un second fichier temporaire selon une séquence d'images de technique de fonctionnement recueillies; et une fois l'enregistrement vidéo terminé, à fusionner le premier fichier temporaire avec le second fichier temporaire de manière à générer un fichier vidéo d'évaluation correspondant à une compétence de balayage à ultrasons. Par conséquent, la compétence de balayage à ultrasons d'un médecin primaire peut être évaluée à l'aide d'un fichier vidéo d'évaluation. Le procédé d'évaluation d'une compétence de balayage à ultrasons dans la technologie classique est modifié, un médecin expert n'a pas besoin de vérifier le processus de balayage du médecin primaire sur le terrain, et l'efficacité d'évaluation de la compétence de balayage à ultrasons est améliorée.
PCT/CN2020/132975 2020-06-15 2020-11-30 Procédé et appareil de génération de video d'évaluation, dispositif informatique et support de stockage Ceased WO2021253730A1 (fr)

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CN115265515A (zh) * 2022-05-27 2022-11-01 上海仙途智能科技有限公司 地图数据采集方法及装置、计算机可读存储介质、终端
CN119908748B (zh) * 2023-10-30 2025-11-28 青岛海信医疗设备股份有限公司 一种超声设备、超声扫查的动画展示方法、装置及介质

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