KR20240040121A - 랜덤 액세스 포인트 및 픽처 유형의 식별 방법 - Google Patents

랜덤 액세스 포인트 및 픽처 유형의 식별 방법 Download PDF

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Publication number
KR20240040121A
KR20240040121A KR1020247008286A KR20247008286A KR20240040121A KR 20240040121 A KR20240040121 A KR 20240040121A KR 1020247008286 A KR1020247008286 A KR 1020247008286A KR 20247008286 A KR20247008286 A KR 20247008286A KR 20240040121 A KR20240040121 A KR 20240040121A
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KR
South Korea
Prior art keywords
picture
type
leading
current
nal unit
Prior art date
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Pending
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KR1020247008286A
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English (en)
Korean (ko)
Inventor
병두 최
스테판 웽거
샨 리우
Original Assignee
텐센트 아메리카 엘엘씨
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Publication of KR20240040121A publication Critical patent/KR20240040121A/ko
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/188Methods 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 video data packet, e.g. a network abstraction layer [NAL] unit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8451Structuring of content, e.g. decomposing content into time segments using Advanced Video Coding [AVC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455Structuring 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020247008286A 2018-12-28 2019-12-26 랜덤 액세스 포인트 및 픽처 유형의 식별 방법 Pending KR20240040121A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201862786306P 2018-12-28 2018-12-28
US62/786,306 2018-12-28
US16/541,693 US10999590B2 (en) 2018-12-28 2019-08-15 Method for identification of random access point and picture types
US16/541,693 2019-08-15
KR1020217023885A KR102648248B1 (ko) 2018-12-28 2019-12-26 랜덤 액세스 포인트 및 픽처 유형의 식별 방법
PCT/US2019/068540 WO2020139921A1 (en) 2018-12-28 2019-12-26 Method for identification of random access point and picture types

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217023885A Division KR102648248B1 (ko) 2018-12-28 2019-12-26 랜덤 액세스 포인트 및 픽처 유형의 식별 방법

Publications (1)

Publication Number Publication Date
KR20240040121A true KR20240040121A (ko) 2024-03-27

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020247008286A Pending KR20240040121A (ko) 2018-12-28 2019-12-26 랜덤 액세스 포인트 및 픽처 유형의 식별 방법
KR1020217023885A Active KR102648248B1 (ko) 2018-12-28 2019-12-26 랜덤 액세스 포인트 및 픽처 유형의 식별 방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217023885A Active KR102648248B1 (ko) 2018-12-28 2019-12-26 랜덤 액세스 포인트 및 픽처 유형의 식별 방법

Country Status (6)

Country Link
US (4) US10999590B2 (https=)
EP (1) EP3903481A4 (https=)
JP (4) JP7108138B2 (https=)
KR (2) KR20240040121A (https=)
CN (2) CN113892260B (https=)
WO (1) WO2020139921A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4376414A3 (en) * 2018-12-27 2024-07-31 Huawei Technologies Co., Ltd. Tile group signaling in video coding
US10999590B2 (en) * 2018-12-28 2021-05-04 Tencent America LLC Method for identification of random access point and picture types
EP3939290B1 (en) * 2019-04-03 2023-10-04 Huawei Technologies Co., Ltd. Interlaced video coding with leading pictures
CN112532569B (zh) * 2019-09-19 2022-05-31 澜至电子科技(成都)有限公司 视频码流保护装置、方法以及存储介质
US11399188B2 (en) * 2020-01-01 2022-07-26 Tencent America LLC Method for mixed NAL unit type support in a coded picture
EP4144093A4 (en) 2020-05-22 2023-08-23 ByteDance Inc. SIGNALING OF IMAGE INFORMATION IN ACCESS UNITS
US11824653B2 (en) 2021-12-17 2023-11-21 Lenovo (Singapore) Pte. Ltd. Radio access network configuration for video approximate semantic communications
US11917206B2 (en) 2021-12-17 2024-02-27 Lenovo (Singapore) Pte. Ltd. Video codec aware radio access network configuration and unequal error protection coding
US12363316B2 (en) * 2021-12-17 2025-07-15 Lenovo (Singapore) Pte. Ltd. Video codec importance indication and radio access network awareness configuration

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9351016B2 (en) * 2012-04-13 2016-05-24 Sharp Kabushiki Kaisha Devices for identifying a leading picture
US10038899B2 (en) * 2012-10-04 2018-07-31 Qualcomm Incorporated File format for video data
JP6290924B2 (ja) 2013-01-07 2018-03-07 ノキア テクノロジーズ オサケユイチア ビデオ・コーディングおよびデコーディングのための方法と装置
US9674533B2 (en) * 2013-04-05 2017-06-06 Qualcomm Incorporated Picture alignments in multi-layer video coding
KR102383006B1 (ko) * 2013-04-07 2022-04-04 돌비 인터네셔널 에이비 출력 계층 세트들에서의 시그널링 변경
US9525883B2 (en) * 2013-07-15 2016-12-20 Qualcomm Incorporated Cross-layer alignment of intra random access point pictures
CN104754341B (zh) * 2013-12-31 2019-02-26 华为技术有限公司 一种视频数据编码、解码的方法和装置
WO2015125494A1 (en) * 2014-02-21 2015-08-27 Sharp Kabushiki Kaisha System for temporal identifier handling for hybrid scalability
US9794595B2 (en) * 2014-03-18 2017-10-17 Qualcomm Incorporated Derivation of end of sequence NAL unit information for multi-layer bitstreams
US9866852B2 (en) * 2014-06-20 2018-01-09 Qualcomm Incorporated Video coding using end of sequence network abstraction layer units
US9866851B2 (en) 2014-06-20 2018-01-09 Qualcomm Incorporated Full picture order count reset for multi-layer codecs
US10623755B2 (en) * 2016-05-23 2020-04-14 Qualcomm Incorporated End of sequence and end of bitstream NAL units in separate file tracks
US10855988B2 (en) * 2018-12-19 2020-12-01 Qualcomm Incorporated Adaptive prediction structures
US10999590B2 (en) * 2018-12-28 2021-05-04 Tencent America LLC Method for identification of random access point and picture types

Also Published As

Publication number Publication date
KR20210102451A (ko) 2021-08-19
JP7343663B2 (ja) 2023-09-12
JP2023162379A (ja) 2023-11-08
KR102648248B1 (ko) 2024-03-14
JP7541165B2 (ja) 2024-08-27
JP2024164078A (ja) 2024-11-26
US20230336757A1 (en) 2023-10-19
JP2022137216A (ja) 2022-09-21
US20200213604A1 (en) 2020-07-02
US20250379992A1 (en) 2025-12-11
EP3903481A1 (en) 2021-11-03
WO2020139921A1 (en) 2020-07-02
CN113892260A (zh) 2022-01-04
JP2022507669A (ja) 2022-01-18
US10999590B2 (en) 2021-05-04
US11758165B2 (en) 2023-09-12
CN119071495A (zh) 2024-12-03
CN113892260B (zh) 2024-07-19
EP3903481A4 (en) 2022-10-12
US12432368B2 (en) 2025-09-30
JP7108138B2 (ja) 2022-07-27
US20210227239A1 (en) 2021-07-22

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Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20240312

Application number text: 1020217023885

Filing date: 20210727

PA0201 Request for examination
PG1501 Laying open of application