JP6239732B2 - Ｉｒａｐアクセスユニットおよびビットストリーム切替えおよびスプライシング - Google Patents

Ｉｒａｐアクセスユニットおよびビットストリーム切替えおよびスプライシング Download PDF

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JP6239732B2
JP6239732B2 JP2016506633A JP2016506633A JP6239732B2 JP 6239732 B2 JP6239732 B2 JP 6239732B2 JP 2016506633 A JP2016506633 A JP 2016506633A JP 2016506633 A JP2016506633 A JP 2016506633A JP 6239732 B2 JP6239732 B2 JP 6239732B2
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picture
irap
pictures
decoding
data
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JP2016519509A (ja
JP2016519509A5 (https=
Inventor
ラマスブラモニアン、アダルシュ・クリシュナン
ワン、イェ−クイ
ラパカ、クリシュナカンス
チェン、イン
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • 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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8451—Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • 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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2016506633A 2013-04-05 2014-04-04 Ｉｒａｐアクセスユニットおよびビットストリーム切替えおよびスプライシング Active JP6239732B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361809063P 2013-04-05 2013-04-05
US61/809,063 2013-04-05
US201361812225P 2013-04-15 2013-04-15
US61/812,225 2013-04-15
US14/244,743 US9596486B2 (en) 2013-04-05 2014-04-03 IRAP access units and bitstream switching and splicing
US14/244,743 2014-04-03
PCT/US2014/032926 WO2014165730A1 (en) 2013-04-05 2014-04-04 Irap access units and bitstream switching and splicing

Publications (3)

Publication Number Publication Date
JP2016519509A JP2016519509A (ja) 2016-06-30
JP2016519509A5 JP2016519509A5 (https=) 2017-05-18
JP6239732B2 true JP6239732B2 (ja) 2017-11-29

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JP2016506633A Active JP6239732B2 (ja) 2013-04-05 2014-04-04 Ｉｒａｐアクセスユニットおよびビットストリーム切替えおよびスプライシング

Country Status (8)

Country Link
US (1) US9596486B2 (https=)
EP (1) EP2982129B1 (https=)
JP (1) JP6239732B2 (https=)
KR (1) KR102084822B1 (https=)
CN (1) CN105052156B (https=)
ES (1) ES2748561T3 (https=)
HU (1) HUE044639T2 (https=)
WO (1) WO2014165730A1 (https=)

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US9674533B2 (en) 2013-04-05 2017-06-06 Qualcomm Incorporated Picture alignments in multi-layer video coding
US10003815B2 (en) * 2013-06-03 2018-06-19 Qualcomm Incorporated Hypothetical reference decoder model and conformance for cross-layer random access skipped pictures
WO2015056182A2 (en) * 2013-10-15 2015-04-23 Nokia Technologies Oy Video encoding and decoding
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CN106105218B (zh) * 2014-10-08 2019-04-09 Lg电子株式会社 在3维视频编码中处理相机参数的方法
US20160119619A1 (en) * 2014-10-27 2016-04-28 Ati Technologies Ulc Method and apparatus for encoding instantaneous decoder refresh units
KR20170101983A (ko) * 2014-12-31 2017-09-06 노키아 테크놀로지스 오와이 스케일러블 비디오 코딩 및 디코딩을 위한 계층 간 예측
US9973562B2 (en) 2015-04-17 2018-05-15 Microsoft Technology Licensing, Llc Split processing of encoded video in streaming segments
CN106303673B (zh) * 2015-06-04 2021-01-22 中兴通讯股份有限公司 码流对齐、同步处理方法及发送、接收终端和通信系统
US10306253B2 (en) 2015-10-14 2019-05-28 Qualcomm Incorporated Signaling of parameter sets in files of multi-layer bitstreams
US11184624B2 (en) * 2016-05-19 2021-11-23 Qualcomm Incorporated Regional random access in pictures
US10623755B2 (en) * 2016-05-23 2020-04-14 Qualcomm Incorporated End of sequence and end of bitstream NAL units in separate file tracks
US10554711B2 (en) * 2016-09-29 2020-02-04 Cisco Technology, Inc. Packet placement for scalable video coding schemes
CN107734387B (zh) * 2017-10-25 2020-11-24 北京网博视界科技股份有限公司 一种视频切割方法、装置、终端和存储介质
CN109963176B (zh) * 2017-12-26 2021-12-07 中兴通讯股份有限公司 视频码流处理方法、装置、网络设备和可读存储介质
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US11539957B2 (en) * 2019-06-20 2022-12-27 Tencent America LLC Layered random access with reference picture resampling
CN114208173A (zh) * 2019-07-03 2022-03-18 华为技术有限公司 参考图像列表中参考图像的类型
BR112022000158A2 (pt) 2019-07-08 2022-02-22 Huawei Tech Co Ltd Restrições de imagem de unidade de nal mista em codificação de vídeo
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EP4078973A1 (en) * 2019-12-20 2022-10-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder, encoder and methods for mixing nal units of different nal unit types in video streams
US11228777B2 (en) * 2019-12-30 2022-01-18 Tencent America LLC Method for layerwise random access in a coded video stream
WO2021137592A1 (ko) * 2020-01-02 2021-07-08 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
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Publication number Publication date
CN105052156A (zh) 2015-11-11
ES2748561T3 (es) 2020-03-17
EP2982129A1 (en) 2016-02-10
JP2016519509A (ja) 2016-06-30
US20140301485A1 (en) 2014-10-09
HUE044639T2 (hu) 2019-11-28
EP2982129B1 (en) 2019-07-03
CN105052156B (zh) 2018-04-03
KR20150139898A (ko) 2015-12-14
US9596486B2 (en) 2017-03-14
KR102084822B1 (ko) 2020-03-04
WO2014165730A1 (en) 2014-10-09

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