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WO2013113192A1 - Procédé et système pour la transmission d'une image - Google Patents

Procédé et système pour la transmission d'une image Download PDF

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Publication number
WO2013113192A1
WO2013113192A1 PCT/CN2012/073740 CN2012073740W WO2013113192A1 WO 2013113192 A1 WO2013113192 A1 WO 2013113192A1 CN 2012073740 W CN2012073740 W CN 2012073740W WO 2013113192 A1 WO2013113192 A1 WO 2013113192A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
video
main part
screen
module
Prior art date
Application number
PCT/CN2012/073740
Other languages
English (en)
Chinese (zh)
Inventor
喻子达
王袭
赵向阳
韩文
朴成杰
黄橙
周林
安娜
Original Assignee
海尔集团公司
海尔集团技术研发中心
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 海尔集团公司, 海尔集团技术研发中心 filed Critical 海尔集团公司
Publication of WO2013113192A1 publication Critical patent/WO2013113192A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/164—Feedback from the receiver or from the transmission channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process

Definitions

  • the present invention relates to the field of image transmission technologies, and in particular, to a method and system for image transmission.
  • the multi-screen sharing service can enable the video information browsed by the current terminal device to be sent to other terminal devices in time to realize sharing of the video data by multiple screens.
  • Multi-screen sharing mainly means that the same content is displayed on the screens of different terminals.
  • the screen size and resolution of various terminals are different, and the decoding capabilities of each terminal are also different. Therefore, if the transmitting end broadcasts video data, that is, an image, if different receiving terminals perform the same image processing, it is inevitable. As a result, some receiving terminals cannot process the image normally, which affects the viewing effect of the user.
  • the present invention provides a method and system for image transmission, so as to implement normal processing of video data broadcast by a video transmitting end by each video receiving end.
  • the image transmission method provided by the present invention includes the steps of:
  • the video sending end divides the image to be sent into a main part and at least one secondary part broadcast transmission
  • the video receiving end receives the main part of the image, and selects a secondary part of the received image according to the attribute parameter of the screen;
  • the video receiving end displays the main part and the secondary part of the received image in combination.
  • the video receiving end receives the main part of the image, and according to the attribute of the screen, selects a secondary part of the received image, so that each video receiving end is connected to the video transmitting end.
  • the normal processing of the broadcast video data and can reflect the most suitable display effect of the screen.
  • a main portion of the image is a rectangular portion
  • a secondary portion of the image is a rectangular image located above, below, left, and/or right of the main portion.
  • the area of the secondary part is segmented to meet the needs of more different receiver screen attributes.
  • the secondary part of the image broadcasted in step A further carries positional relationship information indicating a relative main part
  • step C is combined according to the positional relationship.
  • the positional relationship information of the image is sent by the video transmitting end, so that the video receiving end realizes the correct combination of the images of the respective parts according to the positional relationship information.
  • the attribute parameter includes: a size of the screen, and a resolution.
  • the video receiving end selects an image suitable for the screen through different attributes.
  • the main part and the secondary part of the image are broadcast in different coding modes.
  • the secondary part of the image adopts the lossy coding mode, so as to speed up the encoding speed of the transmitting end, and also facilitate the decoding speed of the video receiving end.
  • each part of the image broadcasted in step A further carries frame identification information indicating that the image belongs to the same frame;
  • Step C further includes the step of determining that the main portion and the secondary portion of the received image belong to one frame image based on the frame identification information indicating that the image belongs to the same frame.
  • the image transmission system provided by the invention comprises a video transmitting end and at least one video receiving end,
  • the video sending end includes:
  • An image segmentation module configured to divide an image to be sent by the video transmitting end into a main part and at least one secondary part
  • An image configuration module configured to configure location relationship information of a main portion and a secondary portion of the image according to the segmentation condition
  • An image main part encoding module for encoding the main part of the image
  • An image secondary portion encoding module for encoding the secondary portion of the image
  • An image sending module configured to send a main part of the image and a secondary part carrying the positional relationship information
  • the video receiving end includes:
  • An image receiving selection module configured to select a secondary portion of the received image according to a screen attribute parameter of the video receiving end
  • An image receiving module configured to receive a main portion of the image and a secondary portion selected by the image receiving selection module and the positional relationship information
  • the image combining module is configured to display the main part and the secondary part of the received image in combination according to the positional relationship information.
  • each receiving end receives the main part of the image, and selects a secondary part of the received image according to the attribute parameter of the screen thereof, so as to realize video transmission by each video receiving end.
  • the normal processing of the video data broadcasted by the terminal can reflect the display effect most suitable for the screen.
  • FIG. 1 is a schematic flow chart of an image transmission method provided by the present invention.
  • Figure 3-5 is another schematic diagram of image segmentation
  • Figure 6 is a schematic illustration of an image transmission system of the present invention.
  • the system includes a video transmitting end and one or more video receiving ends, wherein the video transmitting end broadcasts video data in a broadcast manner, and the video data is multi-frame picture data.
  • the video receiving end can be a television, a notebook computer, a mobile phone, a PAD, and the like. The system will be described in detail later.
  • the image transmission method provided by the present invention includes the following steps:
  • Step 10 The video sending end divides the screen image into a main part and a secondary part, wherein the screen image can be divided into left and right, The upper, middle and lower parts are cached, wherein the middle part of the screen can be the main part, and the other four parts are the secondary parts, as shown in Fig. 2.
  • the line edge line and the column edge line can be extended at the same time to divide the screen image, as shown in FIG.
  • Step 20 The video transmitting end separately encodes each part of the image, and adds an identifier indicating the position of the partial image to the header of each partial image data packet formed after the encoding, and then broadcasts the data packet of each partial image.
  • the top, bottom, left, right, and middle five-part pictures can be represented by identifiers respectively indicating the corresponding positions, such as three-byte 000, 001, 010, 011, and 100 respectively. And join the corresponding image data package.
  • the various portions of the broadcasted image also carry information representing images belonging to the same frame for easy identification by the recipient.
  • the secondary portion of the image may be reduced in lossy encoding to reduce the pixel, resolution, etc. of the portion, since the secondary portion of the image is less likely to be focused by the user's eye than the major portion.
  • the method can speed up the encoding speed of the transmitting end, and also facilitate the decoding speed of the video receiving end.
  • Step 30 Each video receiving end receives a data packet of a main part of the image according to an attribute such as a screen thereof, and selectively receives a data packet of the secondary part, and performs buffering.
  • the video receiving end first detects its own screen size and the resolution, decoding rate, etc. that can be displayed.
  • the secondary portion of the image that is suitable for itself is selected according to its own screen size and the resolution that can be displayed.
  • PAD has a large length and a small width due to its screen properties.
  • the PAD selects to receive the left, right, and middle three partial images of the screen image, and in step 30, only the image data packets that receive the main portion of the image data packet and the minor portions of the left and right portions are selected. It is not difficult to understand that if the PAD is rotated by 90 degrees, the PAD determines the current position of the screen by its gravity sensor, that is, the current screen size is changed, and the upper, middle and lower screens of the received screen image are selected. Part of the image.
  • a large-screen TV is suitable for displaying a complete image because the screen is large, so the large-screen television can receive the main part of the screen image and select to receive all the secondary parts, that is, the received upper, lower, left, right, and middle parts. Image.
  • the mobile phone can only select the main part of the screen image, that is, the middle part image, because the screen is small.
  • Step 40 Each video receiving end separately decodes the main part of the image and the selected secondary part according to the position identifier in the received data packet header, and performs combined display.
  • each image to be carried represents information belonging to the image segmented by one frame, such as time information or frame identification information in the video, so as not to be mis-framed when the image is combined. combination.
  • the image attribute data such as the resolution (ie, the image size)
  • the image attribute data may also be carried, so that when the screen of the video receiving end is not smaller than the screen size of the transmitting end, It is possible to receive all the image data when it is judged that it can receive all the data based on the image attribute data.
  • the image transmission system provided by the present invention includes a video transmitting end 61 and at least one video receiving end 62, wherein
  • the video sending end 61 includes:
  • the image segmentation module 611 is configured to divide the image to be sent by the video transmitting end 61 into a main part and at least one secondary part;
  • the image configuration module 612 is configured to configure location relationship information, time information, frame identification information, and image attribute data of the main part and the secondary part of the image according to the segmentation condition;
  • An image main part encoding module 613 configured to encode the main part of the image
  • An image secondary portion encoding module 614 is configured to encode the secondary portion of the image
  • An image sending module 615 configured to send a main part and a secondary part of the configured image
  • the video receiving end 62 includes:
  • the image receiving selection module 621 is configured to select a secondary portion of the received image according to the screen attribute parameter of the video receiving end 62;
  • the image receiving module 622 is configured to receive the main portion of the image and the secondary portion selected by the image receiving selection module 621 and the position relationship information, time information, frame identification information, and image attribute data;
  • the image combining module 623 is configured to display the received main portion and the secondary portion in combination.
  • the video transmitting end divides the transmitted image into a main part and a secondary part, each video receiving end receives the main part of the image, and selects a secondary part of the received image according to the attribute parameter of the screen to implement each video receiving end.
  • the normal processing of the video data broadcasted by the video sender can reflect the display effect most suitable for the screen.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

La présente invention se rapporte à un procédé pour la transmission d'une image. Le procédé selon l'invention comprend les étapes suivantes : A. un côté de transmission de vidéo divise une image devant être transmise en une partie primaire et au moins une partie secondaire en vue d'une transmission par radiodiffusion ; B. un côté de réception de vidéo reçoit la partie primaire de l'image et il reçoit, de façon sélective, la partie secondaire de l'image sur la base d'un paramètre d'attribut d'un écran le concernant ; et, C. le côté de réception de vidéo fusionne et affiche la partie primaire et la partie secondaire de l'image reçue. La présente invention se rapporte d'autre part à un système pour la transmission d'une image. En divisant l'image transmise en la partie primaire et la partie secondaire, et en permettant à chaque côté de réception de recevoir la partie primaire et de recevoir de façon sélective la partie secondaire de l'image sur la base du paramètre d'attribut de l'écran le concernant, la présente invention met en œuvre un traitement normal, par chaque côté de réception de vidéo, de données vidéo qui sont radiodiffusées par le côté de transmission de vidéo. L'invention est également apte à présenter un affichage qui est parfaitement adapté à l'écran.
PCT/CN2012/073740 2012-02-03 2012-04-10 Procédé et système pour la transmission d'une image WO2013113192A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210024344.7 2012-02-03
CN201210024344.7A CN103248945B (zh) 2012-02-03 2012-02-03 图像传输的方法及系统

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WO2013113192A1 true WO2013113192A1 (fr) 2013-08-08

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WO (1) WO2013113192A1 (fr)

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KR20150067521A (ko) * 2013-12-10 2015-06-18 에스케이플래닛 주식회사 화면 공유 서비스를 위한 장치 및 방법, 이를 위한 화면 공유 시스템
CN105451061A (zh) * 2014-09-23 2016-03-30 中兴通讯股份有限公司 屏幕共享方法和装置
EP3442240A1 (fr) * 2017-08-10 2019-02-13 Nagravision S.A. Vue de scène étendue
CN111324327B (zh) * 2020-02-20 2022-03-25 华为技术有限公司 投屏方法及终端设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101365129A (zh) * 2007-08-10 2009-02-11 映佳科技股份有限公司 数字影像切割压缩处理的电路设计
CN102118289A (zh) * 2010-12-02 2011-07-06 西北工业大学 Ieee1394接口的实时图像分割处理系统与高速智能统一总线接口方法
CN102186067A (zh) * 2011-03-31 2011-09-14 深圳超多维光电子有限公司 一种图像帧的传输方法和装置、显示方法和系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100358365C (zh) * 2005-06-02 2007-12-26 上海交通大学 网络视频编码器多维尺度码率控制方法
CN100471114C (zh) * 2005-07-01 2009-03-18 萧学文 一种通过移动终端访问电脑资源的方法及系统
CN101262604A (zh) * 2008-04-23 2008-09-10 哈尔滨工程大学 一种感兴趣区优先传输的可伸缩视频编码方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101365129A (zh) * 2007-08-10 2009-02-11 映佳科技股份有限公司 数字影像切割压缩处理的电路设计
CN102118289A (zh) * 2010-12-02 2011-07-06 西北工业大学 Ieee1394接口的实时图像分割处理系统与高速智能统一总线接口方法
CN102186067A (zh) * 2011-03-31 2011-09-14 深圳超多维光电子有限公司 一种图像帧的传输方法和装置、显示方法和系统

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CN103248945B (zh) 2017-08-29

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