WO2023246328A1 - Procédé et système de marquage de vidéoconférence, terminal, serveur et support de stockage - Google Patents

Procédé et système de marquage de vidéoconférence, terminal, serveur et support de stockage Download PDF

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Publication number
WO2023246328A1
WO2023246328A1 PCT/CN2023/092221 CN2023092221W WO2023246328A1 WO 2023246328 A1 WO2023246328 A1 WO 2023246328A1 CN 2023092221 W CN2023092221 W CN 2023092221W WO 2023246328 A1 WO2023246328 A1 WO 2023246328A1
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WO
WIPO (PCT)
Prior art keywords
mark
terminal
area
video conference
marking
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PCT/CN2023/092221
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English (en)
Chinese (zh)
Inventor
耿立华
夏友祥
马希通
Original Assignee
京东方科技集团股份有限公司
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Publication of WO2023246328A1 publication Critical patent/WO2023246328A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10016—Video; Image sequence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30204—Marker

Definitions

  • the present disclosure relates to the field of video conferencing, and in particular to a video conferencing marking method, system, terminal, server and storage medium.
  • participants can share their screen or files as a sharer, and other people can see the content shared by the sharer in real time.
  • Embodiments of the present disclosure provide a video conference marking method, system, terminal, server and storage medium to solve the problem in related technologies that only the sharer can mark, making it unsuitable for multiple participants to discuss and interact.
  • the technical solutions are as follows:
  • a video conference marking method includes:
  • the first terminal outputs a video conference image, the video conference image including a mark area defined using a mark frame;
  • the first terminal receives the mark input in the mark area
  • the first terminal sends the mark to the server, so that the server sends the mark to the second terminal, so that the second terminal displays the video conference image with the mark.
  • the first terminal outputs video conference images, including:
  • the mark frame is drawn based on the mark area setting information to output the video conference image with the mark area.
  • the mark area setting information includes at least one of the following parameters:
  • the number of mark areas, the position of each mark area, the shape of each mark area, the size of each mark area, and the border attributes of each mark area are defined.
  • the video conference image further includes a sharing area, where the sharing area refers to an area where the first terminal shares the picture provided by the first sharer;
  • the marking area is located within the shared area, or the marking area is located outside the shared area.
  • the marked area when the marked area is located outside the sharing area, the marked area has the function of sharing the picture provided by the second sharer.
  • the first terminal is the initiator of the video conference
  • the method also includes:
  • the usage rights include at least one of the following:
  • the first terminal sends the mark to the server, including:
  • the server receives a mark sent by the first terminal, where the mark is input from a mark area defined by a mark frame in the video conference image output by the first terminal;
  • the mark and the association information between the mark and the image are sent to the second terminal, so that the second terminal synthesizes the mark into the video conference image.
  • the method before the server sends the mark to the second terminal, the method further includes:
  • the method before determining the terminal with the marking area viewing permission, the method further includes:
  • the usage rights also include marking rights, and the server sends the marking to the second terminal, including:
  • the tag is sent to the second terminal.
  • the memory is used to store computer programs
  • a server including a processor and a memory;
  • a fifth aspect provides a video conferencing system, which includes a terminal as described in the third aspect and a server as described in the fourth aspect.
  • a solution is proposed that allows each participant to mark or modify the shared content.
  • the mark is then transmitted to other terminals through the server. Display, so that each terminal can mark the screen, which solves the problem in related technologies that only the sharer can mark, making it unsuitable for discussion and interaction among multiple participants.
  • Figure 1 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure
  • Figure 3 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure.
  • Figure 12 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure.
  • the first terminal receives the mark input in the mark area.
  • the mark can also be in the form of text input or other forms.
  • the text input can be handwritten with a brush or input through a keyboard. This disclosure does not limit this.
  • the second terminal and the first terminal are different terminals.
  • a solution is proposed that allows each participant to mark or modify the shared content.
  • the mark is then transmitted to other terminals through the server. display, so that each terminal can realize the screen Marking solves the problem in related technologies that only the sharer can mark, making it unsuitable for discussion and interaction among multiple participants.
  • a solution is proposed that allows each participant to mark or modify the shared content.
  • the mark is then transmitted to other terminals through the server. Display, so that each terminal can mark the screen, which solves the problem in related technologies that only the sharer can mark, making it unsuitable for discussion and interaction among multiple participants.
  • the way to obtain the marking area setting information may be to receive the marking area setting instructions input by the user through the marking area setting function in the video conferencing application.
  • the mark area setting command provides mark area setting information. That is, the initiator of the video conference can delimit a markable area.
  • the first terminal can also send the mark area setting instruction to the server.
  • the number of mark areas, the position of each mark area, the shape of each mark area, the size of each mark area, and the border attributes of each mark area are defined.
  • Figure 5 is a schematic interface diagram of a video conference provided by an embodiment of the present disclosure.
  • the number of marking areas can be multiple, for example, 3.
  • the positions of the three marking areas are isolated from each other, and the shapes are all rectangular, where, Marking areas B and C are the same size, and marking area A is different in size.
  • Marking areas B and C are the same size
  • marking area A is different in size.
  • Figure 5 is only an example of the marking area and is not a limitation on the marking area.
  • the video conference image also includes a sharing area, which refers to an area where the first terminal shares the picture provided by the first sharer.
  • the marked area is located in the shared area. At this time, the size of each shared area cannot exceed the shared area, and different shared areas do not intersect with each other.
  • FIG. 6 is a schematic interface diagram of another video conference provided by an embodiment of the present disclosure. Referring to FIG. 6 , the mark area is located outside the shared area.
  • the marking area can be within the shared area or outside the shared area, and the setting is relatively flexible.
  • the marked area is independent from other areas and does not have any dependencies or dependencies.
  • the position, size, shape, etc. of the marking area can be fixed or freely set, and there is no restriction on this.
  • the marked and shared zone conference video images can be sent separately or combined and sent together; when the marked area is outside the Shared Zone, the marked and shared zone conference video images can be sent together.
  • Video images are sent separately.
  • the mark and the conference video image in the mark area are sent separately or combined together for sending. That is, when it is later explained whether the mark and the conference video image are sent separately or combined and sent together, the conference video image may refer to the conference video image in the shared area, or the conference video image in the mark area.
  • the video conference image also includes a chat area, a participant list display area, and other areas.
  • the first terminal receives the mark input in the mark area.
  • the video conference image output by the video conferencing application includes a mark area.
  • the user can mark the mark area through tools in the video conferencing application, such as a brush tool, so that the terminal receives the mark input by the user.
  • the terminal When the terminal sends the mark, it actually sends the mark information, such as the coordinates of each point on the mark, and the attributes of the mark, such as color, thickness, line type, etc.
  • the terminal also records the time when each point on each mark is generated, so that when synthesizing the mark and the video conference image, the mark and the video conference image can be synthesized at the same time.
  • the association information between the mark and the image may be the time when each mark point is generated, or may be the number of the video conference image corresponding to the generation of each mark point.
  • the server synthesizes the mark and the video conference image based on the association information between the mark and the image. For example, it synthesizes the marked point generated at the first time and the video frame with the same timestamp, so that when the terminal outputs the video conference image, the marked point is synthesized. Generation and modification can present dynamic effects.
  • the video conference image (video frame) is provided by the sharer of the video conference, such as a third terminal.
  • the server After receiving the mark uploaded by the first terminal and the video conference image uploaded by the third terminal, the server synthesizes the two, and then Transmit to the second terminal to synthesize the marked video conference image.
  • the first terminal is the sharer of the video conference, and the first terminal separately uploads the mark and the video conference image to the server.
  • the server sends the synthesized marked video conference image to the second terminal; the second terminal receives the synthesized marked video conference image.
  • the second terminal and the first terminal are different terminals.
  • the server synthesizes the mark into the video conference image and then transmits it to the second terminal, so that the second terminal can directly output the video conference image containing the mark.
  • the first terminal uploads the mark
  • the server is responsible for synthesizing the mark and the video conference image, and then sends the synthesized marked video conference image to the second terminal.
  • Figure 7 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure. Referring to Figure 7, the method includes:
  • the first terminal outputs a video conference image, and the video conference image includes a mark area defined by a mark frame.
  • step 301 For details of this step, see step 301.
  • the first terminal sends the mark and the associated information between the mark and the image to the server; the server receives the mark sent by the first terminal and the associated information between the mark and the image.
  • the mark is defined by a mark frame in the video conference image output from the first terminal. Entered in the mark area.
  • the terminal When the terminal sends the mark, it actually sends the mark information, such as the coordinates of each point on the mark, and the attributes of the mark, such as color, thickness, line type, etc.
  • the terminal also records the time when each point on each mark is generated, so that when synthesizing the mark and the video conference image, the mark and the video conference image can be synthesized at the same time.
  • the server sends the tag and the association information between the tag and the image to the second terminal.
  • the second terminal receives the tag sent by the server and the association information between the tag and the image.
  • Step 404 only sends the tag and the association information between the tag and the image, without synthesizing the tag into the video conference image.
  • the second terminal synthesizes the mark into the video conference image.
  • the second terminal synthesizes the mark and the video conference image based on the correlation information between the mark and the image, for example For example, the marked points generated at the first time are synthesized with the video frames with the same timestamp, so that when the terminal outputs the video conference image, the generation and modification of the marks can show a dynamic effect.
  • the second terminal can synthesize the mark into the locally generated video conference image.
  • the second terminal If the second terminal is a participant in the video conference, the second terminal also needs to receive the video conference image sent by the server and then synthesize it.
  • the second terminal outputs the synthesized marked video conference image.
  • the server transmits the mark to the second terminal, so that the second terminal can synthesize the mark into the video conference image, and then output the video conference image containing the mark.
  • the first terminal uploads the mark
  • the server sends the mark to the second terminal, and then the second terminal performs mark and video conference image synthesis.
  • Figure 8 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure. Referring to Figure 8, the method includes:
  • the first terminal receives the mark input in the mark area.
  • the first terminal will synthesize the mark into the video conference image.
  • the first terminal is a sharer of the video conference, so that the first terminal can directly synthesize the mark into the video conference image to be uploaded for uploading.
  • the first terminal sends the synthesized marked video conference image to the server; the server receives the synthesized marked video conference image.
  • the server sends the synthesized marked video conference image to the second terminal; the second terminal receives the synthesized marked video conference image sent by the server.
  • the second terminal outputs a synthesized marked video conference image.
  • Figure 9 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure. Referring to Figure 9, the method includes:
  • the first terminal obtains a marking area permission setting instruction.
  • the marking area permission setting instruction is used to indicate the marking area usage permissions of each terminal participating in the conference.
  • the usage permissions include viewing permissions.
  • the video conferencing application has a marking area permission setting function.
  • the user can input marking area permission setting instructions through the permission setting menu corresponding to the marking area permission setting function. That is, the initiator of the video conference can manage the permissions of the marked area.
  • the viewing permission includes two situations: the terminal has the viewing permission and the terminal does not have the viewing permission.
  • the terminal has viewing permission participants can see the content in the marked area.
  • Figure 10 is a schematic diagram of a permission setting menu provided by an embodiment of the present disclosure.
  • the initiator of the video conference can separately set permissions for all members participating in the conference or for each participant. For example, each participant can set viewing permissions and marking permissions respectively. If selected, it means that they have the corresponding permissions.
  • Permissions can be set independently for each marked area.
  • Each marked area corresponds to a permission setting menu, which is only displayed during setting and automatically hidden after the setting is completed.
  • the permission setting menu of the marked area is only visible and operated by the initiator of the video conference.
  • the initiator of the video conference has viewing permissions and marking permissions by default and does not need to be set.
  • the first terminal sends a marking area permission setting instruction to the server.
  • the server receives the mark area permission setting instruction.
  • the server After receiving the instruction, the server can save the instruction, so that the terminal authority management can be performed based on the content in the instruction.
  • the method of transmitting the mark between the first terminal and the server may refer to the corresponding steps in Figure 4, Figure 7 or Figure 8.
  • the server executes the mark area permission setting instruction to determine the terminal with the mark area viewing permission.
  • the terminals with viewing permissions at this time are participant A and participant B.
  • the server can establish a permission indication table locally and set identification bits for various permissions of each terminal. For example, each terminal sets a viewing permission identification bit correspondingly, and 1 indicates that it has viewing permission. 0 indicates that there is no viewing permission, which facilitates the server to quickly determine whether the terminal has viewing permission.
  • the server sends the tag to the terminal with viewing permissions.
  • the server sends the tag to the terminals corresponding to participant A and participant B.
  • the marks in the mark area can be displayed normally on the terminals of participant A and participant B, but the mark in the mark area cannot be displayed on participant C.
  • the mark area can be displayed as blank.
  • the terminal sends a permission setting instruction to the server to indicate the viewing permission of each terminal, and the server sends a mark to the terminal with viewing permission to realize the management of viewing permission.
  • Figure 11 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure. Referring to Figure 11, the method includes:
  • the first terminal obtains a marking area permission setting instruction.
  • the marking area permission setting instruction is used to indicate the marking area usage permissions of each terminal participating in the conference.
  • the usage permissions also include marking permissions.
  • Marking permission refers to whether participants can mark in the marking area. When the terminal has marking permission, participants can mark in the marking area. When the terminal does not have marking permission, participants cannot mark in the marking area. . When the viewing permission of a terminal is set to no viewing permission, the marking permission is automatically set to no marking permission.
  • the marking permission is automatically set to no marking permission.
  • the tag permissions can include tag adding permissions and tag modifying permissions.
  • the mark adding permission refers to the permission to add marks in the mark area
  • the mark modification permission refers to the permission to modify marks in the mark area.
  • the mark adding permission and the mark modifying permission can be set at the same time. In other embodiments, the two can also be set separately.
  • different terminals have different mark modification permissions.
  • the terminals of ordinary participants can only erase the content marked by themselves, while the conference initiator can erase all marked content.
  • modification such as erasure
  • the location information of the modified mark will be uploaded to the server, and the server system will update the mark to other terminals based on the location information of the modified mark.
  • the first terminal sends a mark area permission setting instruction to the server.
  • the server receives the mark area permission setting instruction.
  • the server sends a marking area permission message to the second terminal to indicate whether the second terminal has marking permission; the second terminal receives the marking area permission message sent by the server.
  • the second terminal determines whether to provide tag and tag modification functions according to the tag area permission message.
  • the second terminal can determine whether it has the functions of marking and marking modification, and if it has the above functions, provide the functions in the video conferencing application. If the above function is not available, the function will not be provided in the video conferencing application. For example, if this function is not provided, the brush in the marking area of the video conferencing application cannot be used, etc.
  • peripherals such as mouse, touchpad
  • the marking method is writing (for example, click the left mouse button on the location that needs to be marked). key, move the mouse to draw the shape that needs to be marked, such as using the touch pad, press and hold the position that needs to be marked, and move to draw the shape that needs to be marked), the content of the mark (the location information of the mark) is passed through the participant's corresponding
  • the network connected to the terminal is uploaded to the server (cloud), and the server distributes the tags to other participants.
  • the second terminal provides or does not provide the user with the functions of marking and marking modification according to whether it has marking authority.
  • Figure 12 is a flow chart of a video conference marking method provided by an embodiment of the present disclosure. Referring to Figure 12, the method includes:
  • the first terminal obtains the marking area permission setting instruction.
  • the marking area permission setting instruction is used to indicate parameters.
  • the marking area usage rights of each terminal in the conference, and the usage rights also include marking rights.
  • step 701 for details of this step.
  • the server determines whether the first terminal has marking authority according to the marking area authority setting instruction.
  • the server can establish a permission indication table locally and set identification bits for various permissions of each terminal. For example, each terminal sets a marking permission identification bit correspondingly, and 1 indicates that it has marking authority. 0 indicates that there is no marking permission, which facilitates the server to quickly determine whether the terminal has marking permission.
  • the server In response to the first terminal not having the marking authority, the server discards the marking.
  • the terminal provides users with the functions of tagging and tag modification, and allows any user to upload tags to the server.
  • the server determines whether to issue tags to other terminals based on the permissions of each terminal. That is, there is a server to manage the tag permissions of each terminal.
  • the following description takes the example of participants A to C having viewing permissions, D not having viewing permissions, A to B having tags, and C to D not having tags.
  • the mark UI module 1448 is used to draw graphical interfaces such as mark areas and rights management menus on the video conference interface according to the user's needs.
  • the tag authority management module 1449 is used at the video conference initiating end to determine the authority of each participant according to the administrator's settings, and transmits it to each participant terminal through the server. The participant terminal will issue the authority according to the administrator's settings. permissions to determine the participants' marking permissions and limit the participants' operations.
  • the marking area management module 1450 is used to control the marking UI module to draw the marking area and control its display or hiding according to the received information such as the size and position of the marking area.
  • the mark position acquisition module 1451 is used to obtain mark position information according to the mark operation.
  • the marking information receiving module 1454 is used to receive the position and sequence information of marking or erasing pixels and the marking area information sent by the server in accordance with the requirements of the communication protocol; the marking information overlay module 1452 is used to According to the position and sequence information of the received pixel mark or erasure, the mark is synthesized into the corresponding position in the video conference image, or the mark at the corresponding position is erased.
  • mark information receiving module 1454 and the mark information overlay module 1452 in the terminal are optional modules.
  • the mark information receiving module 1454 and the mark information may not be included in the terminal.
  • the terminal provided in the above embodiment conducts a video conference
  • only the division of the above functional modules is used as an example.
  • the above function allocation can be completed by different functional modules as needed, that is, the device
  • the internal structure is divided into different functional modules to complete all or part of the functions described above.
  • the terminal and video conference marking method embodiments provided in the above embodiments belong to the same concept. Please refer to the method embodiments for details of the implementation process, which will not be described again here.
  • FIG. 15 is a block diagram of a server provided by an embodiment of the present disclosure.
  • the server includes: server hardware 1501 (composed of single or multiple servers), operating system 1502, and video conferencing system 1503.
  • the video conference system 1503 includes conventional modules for implementing video conferences, such as conference management service module 1531, streaming media service module 1532, audio and video codec service module 1533, file storage service module 1534, monitoring service module 1535, statistical analysis service module 1536, UI module 1537 and communication protocol stack 1538, etc.
  • the video conferencing application 1503 also includes: a rights management service module 1539, an area management service module 1540, a marking overlay service module 1541, a marking information sending module 1542, and a marking information receiving module 1543.
  • the server will only process the tag or erase information and forward it directly, and will not combine the tag and Video conferencing image synthesis.
  • the area management service module 1540 is used to record and update information such as the coordinates and size of the marking area in real time, and forward it to each participant. Participants will establish marking areas on the terminal conference interface based on this information.
  • the mark information sending module 1542 and the mark information receiving module 1543 are used to transmit marks, erasure positions and sequences. sequence information.
  • mark overlay service module 1541 in the server is an optional module.
  • the mark overlay service module 1541 may not be included in the server.
  • an embodiment of the present disclosure also provides a computer device 1600.
  • the computer device 1600 is the aforementioned terminal or server.
  • the computer device 1600 may be used to perform the video conference marking method provided in the above embodiments.
  • the computer device 1600 includes: a memory 1601, a processor 1602 and a display component 1603.
  • a memory 1601 a processor 1602
  • the structure of the computer device 1600 shown in Figure 16 does not constitute a limitation on the computer device 1600. Actual applications may include more or fewer components than shown, some combinations of components, or different component arrangements. in:
  • the memory 1601 can be used to store computer programs and modules.
  • the memory 1601 can mainly include a program storage area and a data storage area, where the program storage area can store an operating system, at least one application program required for a function, etc.
  • Memory 1601 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device. Accordingly, the memory 1601 may also include a memory controller to provide the processor 1602 with access to the memory 1601 .
  • the processor 1602 executes various functional applications and data processing by running software programs and modules stored in the memory 1601 .
  • the display component 1603 is used to display images.
  • the display component 1603 can include a display panel.
  • the display panel can be configured in the form of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode, organic light-emitting diode), etc. .
  • a computer-readable storage medium is also provided.
  • the computer-readable storage medium is a non-volatile storage medium.
  • a computer program is stored in the computer-readable storage medium. When the computer-readable storage medium When the computer-readable storage medium When the computer program in the medium is executed by the processor, it can execute the video conference marking method provided by the embodiment of the present disclosure.
  • a chip is also provided.
  • the chip includes a programmable logic circuit and/or program instructions, and when the chip is run, it can execute the video conference marking method provided by the embodiment of the present disclosure.

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Abstract

Les modes de réalisation de la présente invention concernent un procédé et un système de marquage de vidéoconférence, ainsi qu'un terminal, un serveur et un support de stockage. Le procédé comprend les étapes suivantes : un premier terminal délivre une image de vidéoconférence, l'image de vidéoconférence comprenant une zone de marque définie en utilisant une case de marquage ; le premier terminal reçoit une entrée de marque dans la zone de marque ; et le premier terminal envoie la marque à un serveur, de sorte que le serveur envoie la marque à un deuxième terminal, et ainsi le deuxième terminal affiche une image de vidéoconférence ayant la marque.
PCT/CN2023/092221 2022-06-24 2023-05-05 Procédé et système de marquage de vidéoconférence, terminal, serveur et support de stockage WO2023246328A1 (fr)

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CN115118918A (zh) * 2022-06-24 2022-09-27 京东方科技集团股份有限公司 视频会议的标记方法、系统、终端、服务器及存储介质

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