CN115868933A - Method and system for collecting waveform of monitor - Google Patents
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- CN115868933A CN115868933A CN202211590386.7A CN202211590386A CN115868933A CN 115868933 A CN115868933 A CN 115868933A CN 202211590386 A CN202211590386 A CN 202211590386A CN 115868933 A CN115868933 A CN 115868933A
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- 238000012545 processing Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 16
- 230000011218 segmentation Effects 0.000 description 8
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000036772 blood pressure Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
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- 230000003111 delayed effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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Abstract
The invention provides a method and a system for collecting a monitor waveform, which comprises the steps of obtaining a first display image and a second display image of a monitor; processing the first display image and the second display image to obtain a first oscillogram; transmitting the first oscillogram to a display device for displaying; the display equipment is in remote communication connection with the monitor; acquiring a third display image; processing the second display image and the third display image to obtain a second oscillogram; splicing the first oscillogram and the second oscillogram to obtain a oscillogram displayed on the display equipment; repeatedly acquiring and processing subsequent display images to display the waveform data of the monitor on the display device; to acquire waveform images of all types of monitors from all manufacturers.
Description
Technical Field
The invention relates to the technical field of monitor communication, in particular to a method and a system for acquiring a monitor waveform.
Background
The monitor is widely used in medicine, and when a patient is observed in medicine, waveform data on the monitor is often required to be collected so as to analyze and process the waveform data to obtain the state of an illness of the patient. For example, in the case of an emergency ambulance or a home monitor, since there is no professional at the patient, the data of the monitor cannot be analyzed to determine the condition of the patient, and thus treatment is delayed. Although the data of the monitor can be transmitted to the hospital through the data transmission interface of the monitor and the advice of a professional can be obtained in time, however, manufacturers for producing the monitor are various, and communication protocols of the monitors produced by different manufacturers are different, so that the hospital can only obtain data of a small part of monitors, and the application range is very limited.
In view of the above, the present specification provides a method and a system for acquiring a waveform of a monitor, which acquire monitor data of the monitor by bypassing a communication interface of the monitor, so as to acquire waveform images of all types of monitors of all manufacturers.
Disclosure of Invention
The invention aims to provide a method for collecting a monitor waveform, which comprises the steps of obtaining a first display image and a second display image of a monitor; acquiring the first display image earlier than the second display image; processing the first display image and the second display image to obtain a first oscillogram; transmitting the first oscillogram to a display device for displaying; the display equipment is in remote communication connection with the monitor; acquiring a third display image; acquiring the second display image at a time earlier than a time at which the third display image is acquired; processing the second display image and the third display image to obtain a second oscillogram; splicing the first oscillogram and the second oscillogram to obtain a oscillogram displayed on the display equipment; repeatedly acquiring and processing subsequent display images to display the waveform data of the monitor on the display device.
Further, acquiring a display image comprises acquiring a monitored video through a video output interface of the monitor; analyzing the monitoring video to obtain a multi-second frame image according to a time sequence; randomly selecting a frame image from the multi-second frame images as a reference frame image, and taking the frame image which is away from the reference frame image by an integer of seconds as the display image; numbering the acquired display images according to a time sequence to obtain a first display image, a second display image and an Nth display image; n is the total seconds of the monitored video.
Further, the video output interface comprises VGA, AV and HDMI video output interfaces.
Further, the obtaining of the first oscillogram includes identifying a type of a waveform in a display image, and dividing the display image into a plurality of divided images with different waveforms based on the type of the waveform; acquiring a first waveform image and a second waveform image of each waveform; the first waveform image is an image of the waveform divided from the first display image; the second waveform image is an image of the waveform divided from the second display image; respectively processing the first waveform image and the second waveform image based on a first erasing area and a second erasing area to obtain a first waveform sub-image and a second waveform sub-image; the first waveform sub-image is a waveform image in the first waveform image before the first erasing area; the second waveform subimage is a waveform diagram in the second waveform image before a second erasing area; and removing a waveform area overlapped with the first waveform sub-image in the second waveform sub-image to obtain the first waveform image.
Further, the method also comprises the step of carrying out gray scale processing on the segmentation image to obtain a gray scale image only comprising RGB values (255 ) and (0, 0).
Further, acquiring a waveform image, including extracting pixel points with RGB values (0, 0) in the gray image; sequencing the extracted pixel points according to the abscissa of the pixel points to obtain the waveform image; and for a plurality of pixel points with the same horizontal coordinate, taking the average value of the vertical coordinates of the plurality of pixel points as the vertical coordinate of the point.
Further, the transmitting the first oscillogram to a display device for displaying includes processing the first oscillogram to obtain coordinate values of a plurality of pixel points in the first oscillogram and first obtaining time; processing the coordinate value and the first acquisition time to obtain JSON data; and transmitting the JSON data to the display equipment, and restoring the JSON data by the display equipment to obtain the first oscillogram.
Further, the splicing the first waveform diagram and the second waveform diagram includes; obtaining coordinate values of a plurality of pixel points in the first oscillogram and first obtaining time; obtaining coordinate values of a plurality of pixel points in the second oscillogram and second obtaining time; and splicing the pixel points with the same coordinate value at the tail end of the first oscillogram and the front end of the second oscillogram according to the time sequence.
Further, the display image is an image of the first frame per second.
The invention aims to provide a system for acquiring the waveform of a monitor, which comprises a display image acquisition module, a waveform image acquisition module, a data transmission module, a splicing module and a circulation module; the display image acquisition module is used for acquiring a first display image and a second display image of the monitor; acquiring the first display image earlier than the second display image; acquiring a third display image; acquiring the second display image at a time earlier than a time at which the third display image is acquired; the oscillogram acquisition module is used for processing the first display image and the second display image to obtain a first oscillogram; processing the second display image and the third display image to obtain a second oscillogram; the data transmission module is used for transmitting the first oscillogram to display equipment for displaying; the display equipment is in remote communication connection with the monitor; the splicing module is used for splicing the first oscillogram and the second oscillogram to obtain a oscillogram displayed on the display equipment; the circulation module is used for controlling the display image acquisition module, the oscillogram acquisition module, the data transmission module and the splicing module to repeatedly acquire and process subsequent display images so as to display the waveform data of the monitor on the display equipment.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
the display image of the monitor is obtained, and the monitoring data of the monitor is obtained by bypassing the communication interface of the monitor, so that the waveform images of all types of monitors of all manufacturers are collected.
Drawings
Fig. 1 is an exemplary flow chart of a method for acquiring a waveform of a monitor according to some embodiments of the invention;
fig. 2 is a block diagram of an exemplary system for acquiring a waveform of a monitor according to some embodiments of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Fig. 1 is an exemplary flow chart of a method for acquiring a monitor waveform according to some embodiments of the invention. In some embodiments, the content illustrated in flow 100 may be performed by system 200. As shown in fig. 1, the process 100 may include the following steps:
step S110, acquiring a first display image and a second display image of a monitor; the first display image is acquired at a time earlier than the time at which the second display image is acquired. In some embodiments, step S110 may be performed by the display image acquisition module 210.
The display image may refer to an image displayed on a display screen by the monitor. For example, an interface where a monitor displays a waveform map and numerical values may be considered a display image. The display image may include at least a waveform image. For example, the display images may include an electrocardiographic waveform, a blood oxygenation waveform, a respiration waveform, a blood pressure waveform, and the like. In some embodiments, the display images may be acquired periodically. For example, the display image is acquired once in 1s, and for Ns, N display images, i.e., the first display image, the second display image, the third display image, \8230, and the nth display image may be acquired in time sequence.
In some embodiments, the display image acquisition module 210 may acquire the monitored video through a video output interface of the monitor; analyzing the monitored video, and obtaining multi-second frame images according to a time sequence; randomly selecting a frame image from the multi-second frame images as a reference frame image, and taking the frame image which is away from the reference frame image by an integer number of seconds as a display image; numbering the acquired display images according to a time sequence to obtain a first display image, a second display image and an Nth display image; n is the total seconds of the monitored video. The video output interface may refer to an interface that outputs video and images. For example, the video output interfaces may include VGA, AV and HDMI video output interfaces. The monitored video can refer to video obtained by a display interface of the monitor over time. The video displayed on the display interface of the monitor is transmitted to the display image acquisition module 210 through the video data transmission line to acquire the monitored video. For each second of the monitored video, which may include 25 frames of images, a plurality of frames of monitored images per second may be obtained by parsing the monitored video. For example, a first frame image, a second frame image, \8230;, a twenty-fifth frame image of a first second can be obtained by analyzing a monitoring video of 10 seconds; the first frame image, the second frame image, \8230 ] and the twenty-fifth frame image of the second; 8230and the tenth second, and the twenty-fifth and eighth frame images of the first, second and eighth images of 8230. The reference frame image may refer to a display image selected for the first time. For example, the first selected display image may be the first frame image of the first second, and in order to acquire the monitored video of each second, the first frame image of the first second may be used as a reference frame image, the position of the image in each second frame image that is used as the reference frame image is referred to, and the frame images in the corresponding positions in other seconds are extracted as the display images. For example, for 10s of monitored video, the reference frame image may be the first frame image of the first second, and then the first display image is the first frame image of the first second, the second display image is the first frame image of the second, the third display image is the first frame image of the third second, \8230, and the tenth display image is the first frame image of the tenth second.
Step S120, the first display image and the second display image are processed to obtain a first waveform diagram. In some embodiments, step S120 may be performed by the oscillogram obtaining module 220.
The first waveform map may refer to a waveform between times when the first display image and the second display image are acquired. For example, the first display image is a first frame image of a first second, the second display image is a first frame image of a second, and the first waveform is a waveform from a second frame of the first second to a first frame of the second. In some embodiments, the waveforms in the second display image that overlap with the first display image may be removed, and the remaining waveforms may be used as the first waveform map.
In some embodiments, a type of a waveform in the display image is identified, and the display image is segmented into a plurality of segmented images of different waveforms based on the type of the waveform; acquiring a first waveform image and a second waveform image of each waveform; the first waveform image is an image of the waveform divided from the first display image; the second waveform image is an image of the waveform divided from the second display image; respectively processing the first waveform image and the second waveform image based on the first erasing area and the second erasing area to obtain a first waveform sub-image and a second waveform sub-image; the first waveform sub-image is a waveform image in the first waveform image before the first erasing area; the second waveform sub-image is a waveform diagram before the second erasing area in the second waveform image. And removing the waveform area overlapped with the first waveform sub-image in the second waveform sub-image to obtain a first waveform image.
The display image may include a plurality of waveforms, and in some embodiments, the display image may be segmented by preset positions to obtain segmented images of the plurality of waveforms. For example, the display image is divided from top to bottom to obtain an electrocardiographic waveform, a blood oxygen waveform and a blood pressure waveform.
The preset position is a position in the display image of each waveform determined between uses. In some embodiments, a sample display image can be obtained by monitoring body parameters of a normal human body, the area of a center electrical waveform, a blood oxygen waveform and a blood pressure waveform in the sample image is identified, the position of each waveform of the monitor is determined, and the position of each waveform is recorded as a preset position.
In some embodiments, the sample display image may be input to a waveform recognition model, the model performs segmentation on each waveform, and outputs preset segmentation positions of a plurality of waveforms obtained by segmentation and types of the waveforms. Specifically, the identification model acquires a display area of each waveform of the monitor, the display image is segmented based on the size of the display area to obtain sample segmented images of various waveforms, and the model acquires the characteristics of each sample image. And identifying the characteristics to obtain the type of the waveform corresponding to the sample segmentation image. In some embodiments, the waveform identification model may perform smoothing processing on a waveform of the input sample segmentation image to obtain a smoothed waveform, and identify the smoothed waveform to obtain preset segmentation positions of different waveforms.
The waveform image may refer to an image including only waveforms. In some embodiments, the segmentation image may be grayscale processed, resulting in a grayscale image that includes only RGB values (255 ) and (0, 0). Extracting pixel points with RGB values (0, 0 and 0) in the gray level image; sequencing the extracted pixel points according to the abscissa of the pixel points to obtain a waveform image; and for a plurality of pixel points with the same horizontal coordinates, taking the average value of the vertical coordinates of the plurality of pixel points as the vertical coordinate of the point. For example, a first waveform image is extracted after performing gradation processing on the first display image.
The erase region may refer to a region of the monitor for displaying a new waveform for the erase history waveform. In some embodiments, the waveform of the post-erase portion of the erased area is a history waveform. The first waveform sub-image may refer to a new waveform, for example, a waveform of a previous second, and a waveform of a later portion of the erased area is a history waveform, so that a waveform of a previous portion of the erased area may be used as the waveform sub-image.
In some embodiments, the trend of the waveform may be identified and the continuous regions where the trend of the waveform is consistent may be deleted. For example, a variation trend of the waveform in the first waveform sub-image may be identified, and a portion of the second waveform sub-image where the variation trend is consistent with the variation trend of the waveform in the first waveform sub-image may be deleted, and the remaining portion may be used as the first waveform image.
Step S130, transmitting the first oscillogram to a display device for displaying; the display device is in remote communication connection with the monitor. In some embodiments, step S130 may be performed by the data transmission module 230.
The display device may refer to a device that displays a waveform diagram. For example, a device that displays a first waveform map and a subsequent stitched waveform map. In some embodiments, the display device may be placed in a hospital, the monitor may be placed on an emergency ambulance, and the waveform of the emergency ambulance monitor may be transmitted back to the hospital during the emergency treatment of the patient, so that the expert in the hospital may cooperatively rescue the patient in real time.
In some embodiments, the first oscillogram is processed to obtain coordinate values of a plurality of pixel points in the first oscillogram and first obtaining time; processing the coordinate value and the first acquisition time to obtain JSON data; and transmitting the JSON data to display equipment, and restoring the JSON data by the display equipment to obtain a first oscillogram. For example, a planar coordinate system is established based on a position set in advance, coordinate values of a plurality of points in the first oscillogram are determined based on the established planar coordinate system, and a time at which the first oscillogram is acquired is taken as a first acquisition time. Illustratively, the first acquisition time may be a time at which the first display image is acquired.
Step S140, acquiring a third display image; the second display image is acquired at a time earlier than the time at which the third display image is acquired. In some embodiments, step S140 may be performed by the display image acquisition module 210.
For more on the acquisition of the third display image, see step S110 and its related description.
Step S150, the second display image and the third display image are processed to obtain a second waveform diagram. In some embodiments, step S150 may be performed by the oscillogram acquisition module 220.
The second display image and the third display image are processed to obtain the second oscillogram in the same way as the first oscillogram is obtained by processing the first display image and the second display image. For more details on obtaining the second waveform diagram, refer to step S120 and its related description.
And step S160, splicing the first oscillogram and the second oscillogram to obtain a oscillogram displayed on the display device. In some embodiments, step S160 may be performed by the stitching module 240.
As the monitoring data of the patient is continuous data, the oscillograms of a plurality of time points of the patient can be spliced to obtain the continuous wave data of the patient. In some embodiments, coordinate values of a plurality of pixel points in the first oscillogram and first obtaining time are obtained; obtaining coordinate values of a plurality of pixel points in a second oscillogram and second obtaining time; and splicing the pixels with the same coordinate value at the tail end of the first oscillogram and the front end of the second oscillogram according to the time sequence.
In some embodiments, the first waveform map and the second waveform map may not have an overlapping portion or a missing portion of an intermediate waveform between the first waveform map and the second waveform map, and the first waveform map and the second waveform map may be input into a stitching model, and the model outputs a stitched waveform map. For example, the stitching model may obtain a first end feature and a first feature of the first waveform, the first end feature may be related to a variation trend of an end pixel point of the first waveform, and the first feature may be a variation feature of the first waveform; the splicing model can acquire a second end characteristic and a second characteristic of the second waveform, the second end characteristic can be related to the variation trend of a pixel point at the end of the second waveform, and the second characteristic can be the variation characteristic of the second waveform; the stitching model may determine an intermediate waveform between the first waveform and the second waveform based on the first end feature, the first feature, the second end feature, and the second feature; and splicing the intermediate waveform, the first waveform and the second waveform to obtain a spliced oscillogram.
In some embodiments, the stitching model may be an LSTM model, and the stitching model may obtain a waveform after stitching based on a historical stitching waveform. For example, for splicing the N-1 waveform and the N waveform, the splicing model can splice the N-1 waveform and the N waveform based on the characteristics of the spliced first waveform and the spliced second waveform, the spliced second waveform and the spliced third waveform, \8230, the spliced N-2 waveform and the spliced N-1 waveform, and the spliced first waveform to the N-1 waveform to obtain waveform diagrams of the spliced first waveform to the N waveform.
Step S170, repeatedly acquiring and processing subsequent display images to display the waveform data of the monitor on the display device. In some embodiments, step S170 may be performed by the loop module 250.
Fig. 2 is an exemplary block diagram of a system for acquiring a monitor waveform according to some embodiments of the present invention. As shown in fig. 2, the system 200 may include a display image acquisition module 210, a waveform image acquisition module 220, a data transmission module 230, a stitching module 240, and a loop module 250.
The display image acquiring module 210 is configured to acquire a first display image and a second display image of the monitor; the time for acquiring the first display image is earlier than the time for acquiring the second display image; acquiring a third display image; the second display image is acquired at a time earlier than the time at which the third display image is acquired. For more details of the display image capture module 210, refer to fig. 1 and its associated description.
The oscillogram acquiring module 220 is configured to process the first display image and the second display image to obtain a first oscillogram; and processing the second display image and the third display image to obtain a second oscillogram. For more of the waveform diagram obtaining module 220, refer to fig. 1 and the related description thereof.
The data transmission module 230 is configured to transmit the first waveform diagram to a display device for displaying; the display 5 device is in remote communication with the monitor. For more on the data transmission module 230, refer to fig. 1 and its related description.
The splicing module 240 is configured to splice the first waveform diagram and the second waveform diagram to obtain a waveform diagram displayed on the display device. For more on the stitching module 240, see fig. 1 and its associated description.
The 0-cycle module 250 is configured to control the display image acquisition module, the waveform image acquisition module, the data transmission module, and the stitching module to repeatedly acquire and process subsequent display images, so as to display waveform data of the monitor on the display device. For more of the loop module 250, see FIG. 1 and its associated description.
The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art 5. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for collecting a waveform of a monitor, comprising
Acquiring a first display image and a second display image of a monitor; the time for acquiring the first display image is earlier than the time for acquiring the second display image;
processing the first display image and the second display image to obtain a first oscillogram;
transmitting the first oscillogram to a display device for displaying; the display equipment is in remote communication connection with the monitor;
acquiring a third display image; acquiring the second display image at a time earlier than a time at which the third display image is acquired;
processing the second display image and the third display image to obtain a second oscillogram;
splicing the first oscillogram and the second oscillogram to obtain a oscillogram displayed on the display equipment;
repeatedly acquiring and processing subsequent display images to display the waveform data of the monitor on the display device.
2. The method of acquiring a monitor waveform of claim 1 wherein acquiring a display image comprises acquiring a display image of a patient
Acquiring a monitored video through a video output interface of the monitor;
analyzing the monitoring video to obtain a multi-second frame image according to a time sequence;
randomly selecting a frame image from the multi-second frame images as a reference frame image, and taking the frame image which is away from the reference frame image by an integer number of seconds as the display image;
numbering the acquired display images according to a time sequence to obtain a first display image, a second display image and an Nth display image; n is the total seconds of the monitored video.
3. The method of acquiring a monitor waveform of claim 2 wherein the video output interfaces comprise VGA, AV and HDMI video output interfaces.
4. The method of acquiring a waveform of a monitor of claim 1, wherein the obtaining a first waveform map comprises
Identifying the type of a waveform in a display image, and dividing the display image into a plurality of divided images with different waveforms based on the type of the waveform;
acquiring a first waveform image and a second waveform image of each waveform; the first waveform image is an image of the waveform divided from the first display image; the second waveform image is an image of the waveform divided from the second display image;
respectively processing the first waveform image and the second waveform image based on a first erasing area and a second erasing area to obtain a first waveform sub-image and a second waveform sub-image; the first waveform sub-image is a waveform image in the first waveform image before the first erasing area; the second waveform sub-image is a waveform image in the second waveform image before a second erasing area;
and removing the waveform area overlapped with the first waveform sub-image in the second waveform sub-image to obtain the first waveform image.
5. The method of acquiring a monitor waveform of claim 4 further comprising gray-scale processing the segmented image resulting in a gray-scale image comprising only RGB values (255 ) and (0, 0).
6. The method of acquiring a monitor waveform of claim 5 wherein acquiring a waveform image comprises
Extracting pixel points with RGB values of (0, 0) in the gray level image;
sequencing the extracted pixel points according to the abscissa of the pixel points to obtain the waveform image; and for a plurality of pixel points with the same horizontal coordinates, taking the average value of the vertical coordinates of the plurality of pixel points as the vertical coordinate of the point.
7. The method of acquiring a waveform of a monitor of claim 1 wherein transmitting the first waveform map to a display device for display comprises
Processing the first oscillogram to obtain coordinate values of a plurality of pixel points in the first oscillogram and first obtaining time;
processing the coordinate value and the first acquisition time to obtain JSON data;
and transmitting the JSON data to the display equipment, and restoring the JSON data by the display equipment to obtain the first oscillogram.
8. The method of acquiring a monitor waveform of claim 1 wherein the stitching the first and second waveform maps comprises;
obtaining coordinate values of a plurality of pixel points in the first oscillogram and first obtaining time;
obtaining coordinate values of a plurality of pixel points in the second oscillogram and second obtaining time;
and splicing the pixel points with the same coordinate value at the tail end of the first oscillogram and the front end of the second oscillogram according to the time sequence.
9. The method of acquiring a monitor waveform of claim 1 wherein the display image is an image of the first frame per second.
10. A system for acquiring the waveform of a monitor is characterized by comprising a display image acquisition module, a oscillogram acquisition module, a data transmission module, a splicing module and a circulation module;
the display image acquisition module is used for acquiring a first display image and a second display image of the monitor; acquiring the first display image earlier than the second display image; acquiring a third display image; acquiring the second display image at a time earlier than a time at which the third display image is acquired;
the oscillogram acquisition module is used for processing the first display image and the second display image to obtain a first oscillogram; processing the second display image and the third display image to obtain a second oscillogram;
the data transmission module is used for transmitting the first oscillogram to display equipment for displaying; the display equipment is in remote communication connection with the monitor;
the splicing module is used for splicing the first oscillogram and the second oscillogram to obtain a oscillogram displayed on the display equipment;
the circulation module is used for controlling the display image acquisition module, the oscillogram acquisition module, the data transmission module and the splicing module to repeatedly acquire and process subsequent display images so as to display the waveform data of the monitor on the display equipment.
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| CN113656131A (en) * | 2021-08-16 | 2021-11-16 | 维沃移动通信有限公司 | Remote control method, device, electronic equipment and storage medium |
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