WO2021012246A1 - Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo - Google Patents

Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo Download PDF

Info

Publication number
WO2021012246A1
WO2021012246A1 PCT/CN2019/097625 CN2019097625W WO2021012246A1 WO 2021012246 A1 WO2021012246 A1 WO 2021012246A1 CN 2019097625 W CN2019097625 W CN 2019097625W WO 2021012246 A1 WO2021012246 A1 WO 2021012246A1
Authority
WO
WIPO (PCT)
Prior art keywords
video signal
preview
template
materials
output
Prior art date
Application number
PCT/CN2019/097625
Other languages
English (en)
Chinese (zh)
Inventor
刘伟欣
周晶晶
Original Assignee
西安诺瓦星云科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 西安诺瓦星云科技股份有限公司 filed Critical 西安诺瓦星云科技股份有限公司
Priority to PCT/CN2019/097625 priority Critical patent/WO2021012246A1/fr
Priority to CN201980019805.1A priority patent/CN112567735A/zh
Publication of WO2021012246A1 publication Critical patent/WO2021012246A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268—Signal distribution or switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • This application relates to the technical field of video surveillance, and in particular to a multi-video signal preview method and a multi-video signal preview system.
  • the input and output of video processing equipment are increasing.
  • the operator generally needs to continuously monitor the current video input and output status through the monitoring screen to complete the operation of the equipment. Therefore, the video monitoring function of video processing equipment plays an important role, and the ease of use of this part of the function has a great impact on the user experience. Therefore, the multi-screen preview (MVR) technology emerged at the historic moment, which can display the current output screen, preview the output screen and/or input screen in a multi-video signal preview screen at the same time, and the on-site equipment operators can use the multi-video
  • the signal preview screen has a global grasp of the on-site video signal processing status, which greatly improves the ease of use of the equipment.
  • the single monitoring video output interface provides monitoring of input or output video images.
  • the preview screen output by the single monitoring video output interface is single, which cannot realize the simultaneous display of input and output video images.
  • the preview screen layout is fixed, and the preview screens with multiple layouts cannot be flexibly switched.
  • a single monitoring screen cannot meet the needs of field applications. Therefore, how to centrally monitor the input and output video signals on a single monitoring video output interface, provide multiple multi-video signal preview screen layout modes, and realize flexible switching between layout modes are currently urgent problems to be solved.
  • the embodiments of the present application provide a multi-video signal preview method and a multi-video signal preview system, which can implement centralized monitoring of the input and output video of a video processing device on a single video output interface, and can achieve multiple multiple
  • the flexible switching of video signal preview screen layout makes multi-video signal preview screen effects more flexible and diverse.
  • a multi-video signal preview method includes: obtaining multiple input video signal materials from multiple video signal sources, and performing video processing on the multiple input video signal materials to obtain multiple Output video signal material; provide selected multi-video signal preview template and preview display; according to the layout parameters of the selected multi-video signal preview template, the resolution of the preview display, the multiple inputs
  • the attribute information of the video signal material and the attribute information of the multiple output video signal materials are calculated to obtain the layout parameters of the multi-video signal preview screen; and the multiple input video signals are calculated according to the layout parameters of the multi-video signal preview screen.
  • the material and the multiple output video signal materials are integrated and processed to obtain a multi-video signal preview screen; the multi-video signal preview screen is output to the preview display through a single monitoring video output interface for display; wherein, the The layout parameters of the selected multi-video signal preview template include: preview template window parameters, signal source corresponding to the preview template window, and preview template line parameters; the preview template window parameters include: preview template window start point Coordinates, preview template window height and preview template window width; the preview template line parameters include: preview template line starting point coordinates, preview template line length and preview template line width; preview template window starting point coordinates The height of the preview template window, the width of the preview template window, the starting point coordinates of the preview template line, and the length of the preview template line are respectively relative parameters; the preview template line width is an absolute parameter; The multi-video signal preview method further includes: selecting a multi-video signal preview template from a plurality of multi-video signal preview templates as the selected multi-video signal preview template.
  • a multi-video signal preview method includes: obtaining multiple input video signal materials from multiple video signal sources, and performing video processing on the multiple input video signal materials to obtain multiple Output video signal materials; provide selected multi-video signal preview templates and preview displays; according to the layout parameters of the selected multi-video signal preview templates, the resolution of the preview display, the multiple The attribute information of the input video signal material and the attribute information of the multiple output video signal materials are calculated to obtain the layout parameters of the multi-video signal preview screen; and the multiple input videos are calculated according to the layout parameters of the multi-video signal preview screen.
  • the signal material and the multiple output video signal materials are integrated and processed to obtain a multi-video signal preview picture; the multi-video signal preview picture is output to the preview display through a single monitoring video output interface for display.
  • a single surveillance video output interface provided by a video processing device can only monitor input or output video images, resulting in a single preview image output by a single surveillance video output interface, which cannot realize simultaneous display of input and output video images.
  • the preview screen layout is fixed, and the preview screens with multiple layouts cannot be switched flexibly.
  • a selected multi-video signal preview template is used to integrate multiple input video signal materials and multiple output video signal materials to obtain a multi-video signal preview screen, and output the multiple video signal through a single monitoring video output interface.
  • the video signal preview screen is displayed on the preview monitor.
  • the input and output of video processing equipment can be realized on a single video output interface.
  • the inputting multiple video signal sources to obtain multiple input video signal materials includes: splitting some or all of the multiple video signal sources to obtain multiple sub video signals Source; the multiple input video signal materials include: the multiple sub video signal sources and the multiple video signal sources that have not undergone the split processing.
  • the layout parameters of the selected multi-video signal preview template include: preview template window parameters, signal source corresponding to the preview template window, and preview template line parameters.
  • the preview template window parameters include: the starting point coordinates of the preview template window, the height of the preview template window, and the width of the preview template window;
  • the preview template line parameters include: the preview template line Starting point coordinates, preview template line length and preview template line width.
  • the starting point coordinates of the preview template window, the height of the preview template window, the width of the preview template window, the coordinates of the starting point of the preview template line, and the length of the preview template line They are relative parameters; the line width of the preview template is an absolute parameter.
  • the multi-video signal preview picture includes: at least one of the input video signal material and/or at least one of the output video signal material.
  • the layout parameters of the preview template according to the selected multiple video signals, the resolution of the preview display, the attribute information of the multiple input video signal materials, the The attribute information of multiple output video signal materials is calculated to obtain the layout parameters of the multi-video signal preview screen, including: in response to a user selection operation, selecting a multi-video signal preview template to obtain the selected multi-video signal preview template layout parameters Calculate the resolution size corresponding to each window in the multi-video signal preview template according to the resolution of the preview display and the layout parameters of the selected multi-video signal preview template; according to the multiple The attribute information of the input video signal material, the resolution size of the window in the multi-video signal preview template corresponding to the multiple input video signal materials, the attribute information of the multiple output video signal materials, and the corresponding The resolution size of the windows in the multiple video signal preview template of the multiple output video signal materials is calculated to obtain the zoom parameters corresponding to the multiple input video signal materials and the multiple output video signal materials; The zoom parameter and the starting point coordinate of the preview template window corresponding to the input video
  • a multi-video signal preview system provided by an embodiment of the present application includes: a video processing device, including a single monitoring video output interface, and the video processing device is configured to execute the video processing device described in any of the foregoing embodiments.
  • a multi-video signal preview method to obtain the multi-video signal preview picture and output the multi-video signal preview picture through the single monitoring video output interface; a preview display for receiving and displaying the single monitoring video output The multi-video signal preview image output by the interface.
  • the multiple multi-video signal preview templates are pre-stored in the video processing device.
  • an embodiment of the present application provides a computer-readable medium, where the computer-readable medium stores computer-readable instructions, and the computer-readable instructions include instructions for executing any of the foregoing Video signal preview method instruction.
  • the above technical solution may have one or more of the following advantages: by calling the selected multi-video signal preview template, multiple input video signal materials and multiple output video signal materials are integrated and processed to obtain a multi-video signal preview picture, and a single The monitoring video output interface outputs the multi-video signal preview screen to the preview display for display.
  • the monitoring video output interface outputs the multi-video signal preview screen to the preview display for display.
  • FIG. 1A is a schematic flowchart of a multi-video signal preview method according to an embodiment of the application
  • FIG. 1B is a schematic flow chart of obtaining multiple output video signal materials in a multi-video signal preview method according to an embodiment of the application;
  • FIG. 1C is a schematic flowchart of obtaining a multi-video signal preview picture in a multi-video signal preview method according to an embodiment of the application;
  • FIG. 2 is a schematic structural diagram of a multi-video signal preview system according to another embodiment of the application.
  • 3A-3F are schematic diagrams of the layout of some multi-video signal preview templates in an embodiment of the application.
  • FIG. 4 is a detailed schematic diagram of the multi-video signal preview template shown in FIG. 3F;
  • 5A-5C are schematic diagrams of preview effects corresponding to the multiple video signal preview templates shown in FIGS. 3A-3C;
  • FIG. 6 is a schematic structural diagram of a computer-readable medium according to still another embodiment of this application.
  • a multi-video signal preview method 10 provided by an embodiment of this application. include:
  • Step S11 Input multiple video signal sources to obtain multiple input video signal materials.
  • the multiple input video signal materials that is, the multiple input video signal sources, are used as the material sources of the multiple video signal preview images to be generated subsequently.
  • Step S13 Perform video processing on the multiple input video signal materials to obtain multiple output video signal materials.
  • the multiple output video signal materials that is, multiple output video signals obtained by performing video processing on the multiple input video signal materials (the input multiple video signal sources), are used as multiple video signals to be generated subsequently The source of the preview screen.
  • Step S15 Perform integration processing on the multiple input video signal materials and the multiple output video signal materials based on the selected multiple video signal preview template and the resolution of the preview display to obtain a multiple video signal preview picture.
  • Step S17 Output the multi-video signal preview screen to the preview display through a single monitoring video output interface for display.
  • the multi-video signal preview picture includes, for example, at least one of the input video signal material or at least one output video signal material, that is, the video signal material in the multi-video signal preview picture is selected from all Any one of the plurality of input video signal materials and the plurality of output video signal materials or any one of the output video signal materials.
  • the multi-video signal preview screen includes: at least one input video signal material and at least one The output video signal material, that is, the video signal material in the multi-video signal preview picture includes at least one input video signal material and one output video signal material.
  • the multi-video signal preview picture may also include only the input video signal material or only the output video signal material.
  • the number of the input video signal material may be one or more; when the multi-video signal preview picture only includes the output video signal material, the number of the output video signal material It can also be one or more.
  • step S11 includes, for example, splitting some or all of the multiple video signal sources to obtain multiple sub-video signal sources; in this case, the multiple input video signal materials include: Sub video signal sources and video signal sources that have not undergone the split processing among the multiple video signal sources.
  • step S11 may not include the step of “splitting part or all of the multiple video signal sources to obtain multiple sub-video signal sources”.
  • the The plurality of input video signal materials include the plurality of video signal sources. That is, in some embodiments, some split processing may be performed on the multiple video signal sources before performing step S13; in other embodiments, the split processing may not be performed, but directly As the video signal material of the multi-video signal preview picture.
  • Step S11 is performed to split the INPUTA in the two input video signal sources. For example, as shown in FIG. 1B, split from the middle into left and right parts, that is, two sub video signal sources INPUTA1 and INPUTA2 are obtained; Split processing. At this time, the obtained multiple video signal materials include INPUTA1, INPUTA2, and INPUTB in this example.
  • Step S13 is then performed to perform video processing on the multiple input video signal materials described in this example, namely INPUTA1, INPUTA2, and INPUTB.
  • the multiple input video signal materials described in this example namely INPUTA1, INPUTA2, and INPUTB.
  • FIG. After merging with the reduced INPUTB, expand the screen size to the right to obtain the output video signal material OUTPUT2, and expand the screen size of the INPUTB to the right to obtain the output video signal material OUTPUT3, that is, the multiple output video signals finally obtained through step S13
  • the materials are OUTPUT1, OUTPUT2, and OUTPUT3 in this example.
  • the multiple input video signal materials and the multiple output video signal materials jointly constitute the video signal material of the multi-video signal preview picture that is subsequently generated.
  • Step S15 includes, for example, obtaining the layout parameters of the selected multi-video signal preview template; based on the attribute information of the multiple input video signal materials, the attribute information of the multiple output video signal materials, and the selected The layout parameter of the multi-video signal preview template and the resolution of the preview display are calculated to obtain the layout parameter of the multi-video signal preview screen; the pair of layout parameters based on the multi-video signal preview screen Performing the integration processing on the plurality of input video signal materials and the plurality of output video signal materials to obtain the multi-video signal preview picture.
  • the layout parameters of the selected multi-video signal preview template used in step S15 include, for example: preview template window parameters, signal source corresponding to the preview template window, and preview template line parameters.
  • the attribute information of the multiple input video signal materials is, for example, the resolution of each input video signal material
  • the attribute information of the multiple output video signal materials is, for example, the resolution of each output video signal material.
  • the preview template window parameters include, for example, the starting point coordinates of the preview template window, the height of the preview template window, and the width of the preview template window.
  • the preview template line parameters include: the starting point coordinates of the preview template line, the length of the preview template line and the width of the preview template line.
  • the starting point coordinates of the preview template window, the height of the preview template window, the width of the preview template window, the starting point coordinates of the preview template line, and the length of the preview template line are relative parameters;
  • the line width of the preview template is an absolute parameter.
  • the attribute information calculated to obtain the layout parameters of the multi-video signal preview screen includes, for example, in response to a user selection operation, selecting a multi-video signal preview template to obtain the layout parameters of the selected multi-video signal preview template;
  • the resolution of the display and the layout parameters of the selected multi-video signal preview template are calculated to obtain the resolution size corresponding to each window in the multi-video signal preview template; according to the attributes of the multiple input video signal materials Information, the resolution size of the window in the multi-video signal preview template corresponding to the plurality of input video signal materials, the attribute information of the plurality of output video signal materials, respectively corresponding to the plurality of output video signals
  • the resolution size of the window in the multi-video signal preview template of the material is calculated to obtain the scaling parameters respectively corresponding to the multiple input video signal materials and the multiple output video signal materials;
  • the multi-video signal preview template is selected to obtain the layout parameters of the selected multi-video signal preview template; according to the resolution and the preview display
  • the layout parameters of the selected multi-video signal preview template are calculated to obtain the resolution size corresponding to each window in the multi-video signal preview template; according to the attribute information of multiple input video signal materials, corresponding to multiple input video signal materials
  • the resolution size of the window in the multi-video signal preview template, the attribute information of multiple output video signal materials, and the resolution size of the window in the multi-video signal preview template corresponding to multiple output video signal materials are calculated.
  • the zoom parameters corresponding to the input video signal material and the multiple output video signal materials respectively; the zoom parameter corresponding to each input video signal material and each output video signal material and the starting point coordinates of the preview template window are used as the multi-video signal preview
  • the layout parameters of the screen are sent to the corresponding MVR Scaler module.
  • the scaling processing module will perform the processing on the multiple input video signal materials such as INPUTA1, INPUTA2, and INPUTB obtained in FIG. 1B and the multiple output video signal materials based on the layout parameters of the multi-video signal preview screen.
  • the OUTPUT1, OUTPUT2, and OUTPUT3 obtained in 1B are scaled and integrated to obtain the multi-video signal preview picture.
  • the aforementioned step of calculating the scaling parameters further includes, for example, the resolution size of the window in the multi-video signal preview template corresponding to the multiple input video signal materials according to the attribute information of the multiple input video signal materials.
  • Window zoom information, window splicing information, attribute information of multiple output video signal materials, window resolution size, window zoom information and window splicing information calculation in the multi-video signal preview template corresponding to multiple output video signal materials Obtain the scaling parameters corresponding to multiple input video signal materials and multiple output video signal materials, respectively.
  • the window zoom information mentioned therein is, for example, a 1:1 display or a 19:9 zoom display.
  • the mentioned window splicing information is, for example, that there are two video signal materials in the window to be spliced up and down.
  • the multi-video signal preview method further includes: selecting a multi-video signal preview template from a plurality of multi-video signal preview templates as the selected multi-video signal preview template. Through this step, different multi-video signal preview templates are selected as the target multi-video signal preview templates, so that the switching between the multi-video signal preview templates can be realized, and then the selected target multi-video signal preview templates can be called in the subsequent steps.
  • a multi-video signal preview template from a plurality of multi-video signal preview templates as the selected multi-video signal preview template.
  • different multi-video signal preview templates are selected as the target multi-video signal preview templates, so that the switching between the multi-video signal preview templates can be realized, and then the selected target multi-video signal preview templates can be called in the subsequent steps.
  • Realize flexible switching between multiple video signal preview screen layout methods specifically, for example, you can set a button for switching multiple video signal preview templates on the video processing device, for example, you can switch to the target video by rotating the button.
  • the selected multi-video signal preview template may not be the target multi-video signal preview template obtained by the user's selection, but set in advance. Good default multi-video signal preview template.
  • the multiple multi-video signal preview templates are, for example, designed in advance and stored in advance according to needs, for example, they may be stored locally in a video processing device, for example.
  • the multiple multiple video signal preview templates will be described with reference to FIGS. 3A-3F and FIG. 4.
  • the embodiment of the present application is not limited to this, and more multi-video signal preview templates can be designed according to user needs.
  • PGM, PVW and INPUT represent the current output screen, preview output screen and input screen respectively.
  • A, B, C, D, E, F, G, and H respectively represent the eight video signal sources in this embodiment.
  • the template indicates that the entire screen in the corresponding multi-video signal preview screen only displays PGM, PVW or INPUT, that is, only one of the current output screen, preview output screen and input screen is displayed.
  • the template indicates that the left half of the corresponding multi-video signal preview screen displays PGM, that is, the current output screen.
  • PGM that is, the current output screen.
  • the right half of the screen is divided into 4 rows and 2 columns, a total of 8
  • the small rectangular picture of displays the input picture corresponding to 8 video signal sources in sequence.
  • the template indicates that the upper half of the corresponding multi-video signal preview screen displays PGM, that is, the current output screen.
  • PGM that is, the current output screen.
  • the bottom half of the screen is divided into 2 rows and 4 columns, a total of 8
  • the small rectangular picture of displays the input picture corresponding to 8 video signal sources in sequence.
  • the template indicates that the left half of the corresponding multi-video signal preview screen is divided into two small rectangular screens distributed on the left and right, respectively displaying PVW and PGM, that is, the preview output screen And the current output screen, the right half of the screen is divided into 4 rows and 2 columns, a total of 8 small rectangular screens, which sequentially display the input images corresponding to the 8 video signal sources.
  • the template indicates that the top half of the corresponding multi-video signal preview screen is divided into two small rectangular screens distributed up and down, respectively displaying PGM and PVW, that is, the current output screen And the preview output picture, the lower part of the picture is divided into 2 rows and 4 columns, a total of 8 small rectangular pictures, which sequentially display the input pictures corresponding to the 8 video signal sources.
  • the template indicates that the upper half of the corresponding multi-video signal preview screen is divided into two small rectangular screens distributed on the left and right, respectively displaying PVW and PGM, that is, the preview output screen
  • the lower part of the picture is divided into 2 rows and 4 columns, a total of 8 small rectangular pictures, which sequentially display the input pictures corresponding to the 8 video signal sources.
  • preview template window parameters The preview template window corresponds to the signal source and line parameters of the preview template.
  • Fig. 4 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 marked in the upper right corner of each window are used to represent each window.
  • the preview template window parameters include: the starting point coordinates of the preview template window, the height of the preview template window, and the width of the preview template window.
  • the starting point coordinates of the preview template window store the starting point of each window in Figure 4, such as the coordinate value of the upper left corner of each window.
  • Preview template window height and preview template window width respectively store the width and height information of the window.
  • the width w and height h of window 0 are 1/2 respectively.
  • the height of the preview template window The width of the preview template window is a proportional parameter, not an absolute parameter.
  • the width of window 0 is 1/2, which means that the width of window 0 accounts for 1/2 of the width of the entire preview monitor.
  • the preview template line parameters include: the starting point coordinates of the preview template line, the length of the preview template line and the width of the preview template line.
  • the starting point coordinates of the preview template line are the starting points of the lines in Figure 4, such as the coordinates of the left end of the horizontal line and the upper end of the vertical line.
  • the length and width of line bc are 1 and 2, respectively. It is worth mentioning here that the line length of preview template It is a proportional parameter, not an absolute parameter.
  • the line width of the preview template that is, the thickness of the line, is an absolute parameter.
  • w represents the length of the line
  • h represents the width of the line
  • the value of the line length is the ratio of the actual length of the line to the width of the entire preview display
  • h represents the length of the line
  • w Represents the line width
  • the value of the line length is the ratio of the actual length of the line to the length of the entire preview display.
  • a multi-video signal preview system 20 provided by another embodiment of this application. Including: video processing equipment 21 and preview display 23.
  • the video processing device 21 includes, for example, a single monitoring video output interface 211 (for example, an HDMI video output interface or a DVI video output interface).
  • the video processing device 21 is used to perform a multi-video signal preview method to obtain a multi-video signal preview screen and pass The single monitoring video output interface 211 outputs multiple video signal preview images.
  • the preview display 23 is configured to receive and display the multiple video signal preview images output by the single monitoring video output interface 211.
  • the multi-video signal preview method adopts, for example, the multi-video signal preview method 10 described in the foregoing embodiment.
  • the video processing device 21 includes, for example, ARM (Advanced RISC Machines) and FPGA (Field-Programmable Gate Array).
  • the video processing device 21 is implemented based on the ARM+FPGA architecture.
  • the video processing device 21, for example, also includes Input detection module, image processing module, image output module, video encoder, video decoder, and preview module that implements multi-video signal preview method 10, etc.
  • the computer-readable medium 40 stores computer-readable instructions.
  • the instructions of the multi-video signal preview method for the specific flow, please refer to the detailed description of the foregoing embodiment, which will not be repeated here.
  • 5A, 5B, and 5C are respectively a schematic diagram of the preview effect achieved by using the multi-video signal preview template shown in FIGS. 3A, 3B, and 3C as the selected multi-video signal preview template.
  • the multi-video signal preview template shown in FIG. 3A is used as the selected multi-video signal preview template, and the corresponding multi-video signal preview screen only displays the current output screen and preview output One of the screen and the input screen.
  • the multi-video signal preview template shown in Figure 3B is used as the selected multi-video signal preview template, and the left half of the obtained multi-video signal preview screen displays the current output screen.
  • Half of the picture is divided into 4 rows and 2 columns, a total of 8 small rectangular pictures, which sequentially display the input pictures corresponding to the 8 video signal sources.
  • the multi-video signal preview template shown in Figure 3C is used as the selected multi-video signal preview template, and the upper half of the obtained multi-video signal preview screen displays the current output screen.
  • Half of the picture is divided into 2 rows and 4 columns, a total of 8 small rectangular pictures, which sequentially display the input pictures corresponding to the 8 video signal sources.
  • the foregoing embodiment of the present application integrates multiple input video signal materials and multiple output video signal materials by calling a selected multi-video signal preview template to obtain a multi-video signal preview screen, and a single monitoring video
  • the output interface outputs the multi-video signal preview picture to the preview display for display.
  • the disclosed system, device and/or method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units/modules is only a logical function division.
  • there may be other division methods for example, multiple units or modules may be Combined or can be integrated into 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, mechanical or other forms.
  • the unit/module described as a separate component may or may not be physically separated, and the component displayed as a unit/module may or may not be a physical unit, that is, it may be located in one place, or may be distributed to multiple channels. On the network unit. Some or all of the units/modules may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each functional unit/module in each embodiment of the present application may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one.
  • Unit/module The above-mentioned integrated unit/module can be realized in the form of hardware, or in the form of hardware plus software functional unit/module.
  • the above-mentioned integrated unit/module implemented in the form of a software functional unit/module may be stored in a computer readable storage medium.
  • the above-mentioned software functional unit is stored in a storage medium and includes several instructions to make one or more processors of a computer device (which may be a personal computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application Part of the steps.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks, etc., which can store program codes Medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

L'invention concerne un procédé de prévisualisation de signal multi-vidéo, consistant : à obtenir multiples matériaux de signal vidéo d'entrée à partir de multiples sources de signal vidéo, et à effectuer un traitement vidéo sur les multiples matériaux de signal vidéo d'entrée pour obtenir multiples matériaux de signal vidéo de sortie ; à effectuer un calcul en fonction d'un paramètre de disposition d'un modèle de prévisualisation de signal multi-vidéo sélectionné, la résolution d'un affichage de prévisualisation, et des informations d'attribut de multiples matériaux de signal vidéo d'entrée et de sortie afin d'obtenir un paramètre de disposition d'une image de prévisualisation de signal multi-vidéo ; à effectuer, en fonction du paramètre de disposition de l'image de prévisualisation de signal multi-vidéo, un traitement d'intégration sur les multiples matériaux de signal vidéo d'entrée et de sortie pour obtenir l'image de prévisualisation de signal multi-vidéo ; et à faire sortir l'image de prévisualisation de signal multi-vidéo au moyen d'une seule interface de sortie vidéo de visualisation. L'invention concerne en outre un système de prévisualisation de signal vidéo multiple.
PCT/CN2019/097625 2019-07-25 2019-07-25 Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo WO2021012246A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/097625 WO2021012246A1 (fr) 2019-07-25 2019-07-25 Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo
CN201980019805.1A CN112567735A (zh) 2019-07-25 2019-07-25 多视频信号预监方法和多视频信号预监系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/097625 WO2021012246A1 (fr) 2019-07-25 2019-07-25 Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo

Publications (1)

Publication Number Publication Date
WO2021012246A1 true WO2021012246A1 (fr) 2021-01-28

Family

ID=74192501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/097625 WO2021012246A1 (fr) 2019-07-25 2019-07-25 Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo

Country Status (2)

Country Link
CN (1) CN112567735A (fr)
WO (1) WO2021012246A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114866740A (zh) * 2022-04-27 2022-08-05 郑州小鸟信息科技有限公司 一种按需动态视频预监方法和系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113873311B (zh) * 2021-09-09 2024-03-12 北京都是科技有限公司 一种直播控制方法、装置及存储介质
CN116582696B (zh) * 2023-07-14 2023-09-26 北京医百科技有限公司 切换节目场景到预设监视窗口的方法和系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020005900A1 (en) * 1997-09-17 2002-01-17 John Hudson Security control system
CN1809153A (zh) * 2005-01-17 2006-07-26 株式会社东芝 视频合成设备及视频合成方法
CN101472090A (zh) * 2007-12-27 2009-07-01 新奥特（北京）视频技术有限公司 用于视频服务器的硬件自适应多通道多模式视频预监方法
CN105635689A (zh) * 2016-01-12 2016-06-01 西安诺瓦电子科技有限公司 视频控制器
CN107068041A (zh) * 2017-04-14 2017-08-18 西安诺瓦电子科技有限公司 视频显示控制器和视频显示控制方法
CN107682667A (zh) * 2017-09-22 2018-02-09 北京嗨动视觉科技有限公司 视频处理器及多信号源预监方法
CN109089070A (zh) * 2018-09-26 2018-12-25 福建星网智慧科技股份有限公司 一种视讯会议终端的布局切换方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100345102C (zh) * 2004-11-30 2007-10-24 北京中科大洋科技发展股份有限公司 多画面分割系统
JP2006243200A (ja) * 2005-03-02 2006-09-14 Fujitsu General Ltd マルチ画面用表示装置、及びその制御方法
CN103530096B (zh) * 2012-07-03 2018-11-16 索尼公司 远程控制方法、远程控制设备和显示设备

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020005900A1 (en) * 1997-09-17 2002-01-17 John Hudson Security control system
CN1809153A (zh) * 2005-01-17 2006-07-26 株式会社东芝 视频合成设备及视频合成方法
CN101472090A (zh) * 2007-12-27 2009-07-01 新奥特（北京）视频技术有限公司 用于视频服务器的硬件自适应多通道多模式视频预监方法
CN105635689A (zh) * 2016-01-12 2016-06-01 西安诺瓦电子科技有限公司 视频控制器
CN107068041A (zh) * 2017-04-14 2017-08-18 西安诺瓦电子科技有限公司 视频显示控制器和视频显示控制方法
CN107682667A (zh) * 2017-09-22 2018-02-09 北京嗨动视觉科技有限公司 视频处理器及多信号源预监方法
CN109089070A (zh) * 2018-09-26 2018-12-25 福建星网智慧科技股份有限公司 一种视讯会议终端的布局切换方法及系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114866740A (zh) * 2022-04-27 2022-08-05 郑州小鸟信息科技有限公司 一种按需动态视频预监方法和系统

Also Published As

Publication number Publication date
CN112567735A (zh) 2021-03-26

Similar Documents

Publication Publication Date Title
WO2021012246A1 (fr) Procédé de prévisualisation de signal multi-vidéo et système de prévisualisation de signal multi-vidéo
US9756285B2 (en) Method, device, and display device for switching video source
KR102463304B1 (ko) 비디오 처리 방법 및 장치, 전자기기, 컴퓨터 판독 가능한 저장 매체 및 컴퓨터 프로그램
CN110072087B (zh) 基于3d地图的摄像机联动方法、装置、设备及存储介质
US10417742B2 (en) System and apparatus for editing preview images
CN111324322B (zh) 多画面预监配置方法、装置、系统和计算机可读介质
US10057533B1 (en) Systems, methods, and software for merging video viewing cells
JP2008040190A (ja) 映像切り替えシステム
US20160364086A1 (en) Content sharing broadcast zone
EP2684349A1 (fr) Appareil de traitement de vidéo, système de traitement de vidéo et procédé de traitement de vidéo
US10908795B2 (en) Information processing apparatus, information processing method
US20180018398A1 (en) Positioning content in computer-generated displays based on available display space
JP6608196B2 (ja) 情報処理装置、情報処理方法
US20130139080A1 (en) Method and apparatus for visualizing a data set
CN106851129A (zh) 一种视频拼接结果多屏显示和控制方法
CN114339363A (zh) 画面切换处理方法、装置、计算机设备和存储介质
US20120188457A1 (en) Image processing apparatus and image processing method
WO2021218224A1 (fr) Procédé et système de commande d'interface visuelle
CN115002358A (zh) 数字背景拍摄中的控制方法及系统
JP2005084089A (ja) 画像比較表示方法及びその装置並びに画像比較表示プログラム
JP6401480B2 (ja) 情報処理装置、情報処理方法、及びプログラム
JP2008293225A (ja) 映像切替方法及びシステム
JP2010273057A (ja) 映像生成装置、映像生成方法、映像生成プログラムおよびそのプログラムを記録したコンピュータ読み取り可能な記録媒体
US20240283888A1 (en) Video processing apparatus, computer-readable recording medium recording video processing program, and video processing method
CN111447361B (zh) 一种显示切换方法、装置、设备及存储介质

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19938327

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19938327

Country of ref document: EP

Kind code of ref document: A1