KR20220114562A - 비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들 - Google Patents

비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들 Download PDF

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KR20220114562A
KR20220114562A KR1020227020986A KR20227020986A KR20220114562A KR 20220114562 A KR20220114562 A KR 20220114562A KR 1020227020986 A KR1020227020986 A KR 1020227020986A KR 20227020986 A KR20227020986 A KR 20227020986A KR 20220114562 A KR20220114562 A KR 20220114562A
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bitstream
nal unit
sub
unit type
picture
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Korean (ko)
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야고 산체스 데 라 푸엔테
카르스텐 슈링
코넬리우스 헬지
토마스 쉬를
로버트 스쿠핀
토마스 위건드
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프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우
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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
    • H04N19/30—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
    • H04N19/10—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
    • H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection 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
    • 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
    • H04N19/172—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 the region being a picture, frame or field
    • 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
    • H04N19/184—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 bits, e.g. of the compressed 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
KR1020227020986A 2019-12-20 2020-12-16 비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들 Pending KR20220114562A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19219057.7 2019-12-20
EP19219057 2019-12-20
PCT/EP2020/086523 WO2021122817A1 (en) 2019-12-20 2020-12-16 Decoder, encoder and methods for mixing nal units of different nal unit types in video streams

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KR20220114562A true KR20220114562A (ko) 2022-08-17

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KR1020227020986A Pending KR20220114562A (ko) 2019-12-20 2020-12-16 비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들

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US (2) US12355990B2 (https=)
EP (1) EP4078973A1 (https=)
JP (2) JP7659561B2 (https=)
KR (1) KR20220114562A (https=)
CN (2) CN120302050A (https=)
AU (2) AU2020406072B2 (https=)
CA (1) CA3164485A1 (https=)
TW (1) TWI792121B (https=)
WO (1) WO2021122817A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025206842A1 (ko) * 2024-03-29 2025-10-02 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220114562A (ko) * 2019-12-20 2022-08-17 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들
EP4117290A4 (en) * 2020-03-05 2024-03-20 LG Electronics, Inc. METHOD AND DEVICE FOR IMAGE ENCODING/DECODING BASED ON MIXED NAL UNIT TYPE AND METHOD FOR TRANSMITTING BIT STREAM
WO2021188801A1 (en) 2020-03-20 2021-09-23 Bytedance Inc. Coding of neighboring subpictures
EP4122195A4 (en) 2020-04-20 2023-06-21 ByteDance Inc. REFERENCE IMAGE LISTING RESTRICTIONS
WO2025216550A1 (ko) * 2024-04-09 2025-10-16 엘지전자 주식회사 영상 정보를 디코딩하는 방법, 영상 정보를 인코딩하는 방법, 및 영상 정보에 관한 데이터를 전송하는 방법
WO2025216531A1 (ko) * 2024-04-09 2025-10-16 엘지전자 주식회사 영상 정보를 디코딩하는 방법, 영상 정보를 인코딩하는 방법, 및 영상 정보에 관한 데이터를 전송하는 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9124895B2 (en) * 2011-11-04 2015-09-01 Qualcomm Incorporated Video coding with network abstraction layer units that include multiple encoded picture partitions
US9596486B2 (en) * 2013-04-05 2017-03-14 Qualcomm Incorporated IRAP access units and bitstream switching and splicing
US20150103878A1 (en) 2013-10-14 2015-04-16 Qualcomm Incorporated Device and method for scalable coding of video information
EP3090550A1 (en) * 2014-01-02 2016-11-09 VID SCALE, Inc. Sub-bitstream extraction process for hevc extensions
WO2020157287A1 (en) 2019-02-01 2020-08-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Video codec allowing sub-picture or region wise random access and concept for video composition using the same
CN115550659B (zh) 2019-03-11 2025-05-06 华为技术有限公司 在一个图像内支持混合nal单元类型的编码方法及编码器
US11375232B2 (en) * 2019-12-10 2022-06-28 Zte (Uk) Limited Sub picture signaling in video coding
US11477487B2 (en) 2019-12-10 2022-10-18 Zte (Uk) Limited Subpicture signaling in video coding
KR20220114562A (ko) * 2019-12-20 2022-08-17 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 비디오 스트림들에서 상이한 nal 유닛 타입들의 nal 유닛들을 혼합하기 위한 디코더, 인코더 및 방법들
US11399188B2 (en) * 2020-01-01 2022-07-26 Tencent America LLC Method for mixed NAL unit type support in a coded picture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025206842A1 (ko) * 2024-03-29 2025-10-02 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

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TW202127889A (zh) 2021-07-16
CN115066905A (zh) 2022-09-16
US20230027374A1 (en) 2023-01-26
CN115066905B (zh) 2025-06-10
AU2026202540A1 (en) 2026-04-23
CA3164485A1 (en) 2021-06-24
JP2025098223A (ja) 2025-07-01
US12355990B2 (en) 2025-07-08
JP2023507348A (ja) 2023-02-22
JP7852117B2 (ja) 2026-04-27
WO2021122817A1 (en) 2021-06-24
AU2020406072A1 (en) 2022-08-11
AU2020406072B2 (en) 2026-01-15
EP4078973A1 (en) 2022-10-26
CN120302050A (zh) 2025-07-11
US20250294175A1 (en) 2025-09-18
JP7659561B2 (ja) 2025-04-09
TWI792121B (zh) 2023-02-11

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