FR3083950B1 - Procede de visualisation d’elements graphiques issus d’un flux video composite encode - Google Patents

Procede de visualisation d’elements graphiques issus d’un flux video composite encode Download PDF

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Publication number
FR3083950B1
FR3083950B1 FR1856410A FR1856410A FR3083950B1 FR 3083950 B1 FR3083950 B1 FR 3083950B1 FR 1856410 A FR1856410 A FR 1856410A FR 1856410 A FR1856410 A FR 1856410A FR 3083950 B1 FR3083950 B1 FR 3083950B1
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FR
France
Prior art keywords
images
iet
video stream
graphic elements
composite video
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Legal status (The legal status 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 status listed.)
Active
Application number
FR1856410A
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English (en)
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FR3083950A1 (fr
Inventor
Florent Thiery
Anthony Violo
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Ubicast
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Ubicast
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Filing date
Publication date
Application filed by Ubicast filed Critical Ubicast
Priority to FR1856410A priority Critical patent/FR3083950B1/fr
Priority to US16/263,574 priority patent/US20200020068A1/en
Priority to EP19758432.9A priority patent/EP3821611A2/fr
Priority to PCT/FR2019/051761 priority patent/WO2020012139A2/fr
Publication of FR3083950A1 publication Critical patent/FR3083950A1/fr
Application granted granted Critical
Publication of FR3083950B1 publication Critical patent/FR3083950B1/fr
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/218—Source of audio or video content, e.g. local disk arrays
    • H04N21/2187—Live feed
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/182—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 a pixel
    • 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
    • H04N21/234345—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 the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
    • 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
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4223—Cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43074—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Processing Or Creating Images (AREA)

Abstract

Procédé pour la visualisation d'éléments graphiques issus d'un flux vidéo composite encodé (Fvc), chacune desdites images composites (ICt) étant formée d'une juxtaposition d'image élémentaires (IEt, i), comportant : une étape de décodage, initiée par un navigateur web, pour l'enregistrement dans une mémoire d'une carte graphique (GPU) sous la forme d'un objet de texture (TCt) correspondant auxdites images composites (ICt) originelles, une étape de construction d'une image de rendu finale (IRt) par un traitement par ladite carte graphique consistant à construire un tableau de pixels en fonction d'un ensemble de paramètres de dessin, des pixels desdites images élémentaires (IEt, i), de coordonnées de chacune desdites images élémentaires (IEt,i), une étape d'affichage de la succession d'images de rendu finale (IRt) dans une interface utilisateur de type lecteur vidéo interactif.
FR1856410A 2018-07-12 2018-07-12 Procede de visualisation d’elements graphiques issus d’un flux video composite encode Active FR3083950B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1856410A FR3083950B1 (fr) 2018-07-12 2018-07-12 Procede de visualisation d’elements graphiques issus d’un flux video composite encode
US16/263,574 US20200020068A1 (en) 2018-07-12 2019-01-31 Method for viewing graphic elements from an encoded composite video stream
EP19758432.9A EP3821611A2 (fr) 2018-07-12 2019-07-12 Procede de visualisation d'elements graphiques issus d'un flux video composite encode
PCT/FR2019/051761 WO2020012139A2 (fr) 2018-07-12 2019-07-12 Procede de visualisation d'elements graphiques issus d'un flux video composite encode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1856410A FR3083950B1 (fr) 2018-07-12 2018-07-12 Procede de visualisation d’elements graphiques issus d’un flux video composite encode

Publications (2)

Publication Number Publication Date
FR3083950A1 FR3083950A1 (fr) 2020-01-17
FR3083950B1 true FR3083950B1 (fr) 2021-04-30

Family

ID=65031416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1856410A Active FR3083950B1 (fr) 2018-07-12 2018-07-12 Procede de visualisation d’elements graphiques issus d’un flux video composite encode

Country Status (4)

Country Link
US (1) US20200020068A1 (fr)
EP (1) EP3821611A2 (fr)
FR (1) FR3083950B1 (fr)
WO (1) WO2020012139A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10979672B1 (en) * 2020-10-20 2021-04-13 Katmai Tech Holdings LLC Web-based videoconference virtual environment with navigable avatars, and applications thereof
US11689749B1 (en) * 2021-11-22 2023-06-27 Hopin Ltd Centralized streaming video composition
US11381628B1 (en) * 2021-12-22 2022-07-05 Hopin Ltd Browser-based video production

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060140264A1 (en) * 2002-06-18 2006-06-29 Cecile Dufour Video encoding method and corresponding encoding and decoding devices
EP2301241B1 (fr) 2007-06-12 2014-08-13 IN Extenso Holdings INC. Visualisation et montage vidéo synchronisés distribués
US9300705B2 (en) * 2011-05-11 2016-03-29 Blue Jeans Network Methods and systems for interfacing heterogeneous endpoints and web-based media sources in a video conference
US9154813B2 (en) * 2011-06-09 2015-10-06 Comcast Cable Communications, Llc Multiple video content in a composite video stream
FR2989244B1 (fr) 2012-04-05 2014-04-25 Current Productions Interface et navigation video multi sources
US20150262404A1 (en) * 2014-03-13 2015-09-17 Huawei Technologies Co., Ltd. Screen Content And Mixed Content Coding
KR102218908B1 (ko) * 2014-05-07 2021-02-23 엘지전자 주식회사 디지털 디바이스 및 상기 디지털 디바이스에서 서비스 처리 방법
US10412130B2 (en) * 2016-04-04 2019-09-10 Hanwha Techwin Co., Ltd. Method and apparatus for playing media stream on web browser

Also Published As

Publication number Publication date
WO2020012139A2 (fr) 2020-01-16
WO2020012139A3 (fr) 2020-03-12
EP3821611A2 (fr) 2021-05-19
FR3083950A1 (fr) 2020-01-17
US20200020068A1 (en) 2020-01-16

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