KR20220162740A - Dpb 관련 정보 및 ptl 관련 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 - Google Patents

Dpb 관련 정보 및 ptl 관련 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 Download PDF

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KR20220162740A
KR20220162740A KR1020227037638A KR20227037638A KR20220162740A KR 20220162740 A KR20220162740 A KR 20220162740A KR 1020227037638 A KR1020227037638 A KR 1020227037638A KR 20227037638 A KR20227037638 A KR 20227037638A KR 20220162740 A KR20220162740 A KR 20220162740A
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dpb
vps
information
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video
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Korean (ko)
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헨드리헨드리
김승환
팔루리시탈
짜오지에
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엘지전자 주식회사
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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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/184—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
    • H04N19/10—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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227037638A 2020-04-02 2021-03-26 Dpb 관련 정보 및 ptl 관련 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체 Ceased KR20220162740A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063004488P 2020-04-02 2020-04-02
US63/004,488 2020-04-02
PCT/KR2021/003778 WO2021201510A1 (ko) 2020-04-02 2021-03-26 Dpb 관련 정보 및 ptl 관련 정보를 시그널링하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 컴퓨터 판독 가능한 기록 매체

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KR20220162740A true KR20220162740A (ko) 2022-12-08

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US (2) US12155816B2 (https=)
EP (1) EP4131966A4 (https=)
JP (2) JP7488360B2 (https=)
KR (1) KR20220162740A (https=)
CN (1) CN115702567A (https=)
WO (1) WO2021201510A1 (https=)

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CN115702567A (zh) * 2020-04-02 2023-02-14 Lg电子株式会社 用于用信号通知dpb相关信息和ptl相关信息的图像编码/解码方法和设备及存储比特流的计算机可读记录介质

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KR20140092198A (ko) * 2013-01-07 2014-07-23 한국전자통신연구원 계층적 비디오 부호화에서의 스케일러빌리티 정보 표현방식
KR102383006B1 (ko) 2013-04-07 2022-04-04 돌비 인터네셔널 에이비 출력 계층 세트들에서의 시그널링 변경
US20140301477A1 (en) * 2013-04-07 2014-10-09 Sharp Laboratories Of America, Inc. Signaling dpb parameters in vps extension and dpb operation
US9485508B2 (en) * 2013-04-08 2016-11-01 Qualcomm Incorporated Non-entropy encoded set of profile, tier, and level syntax structures
HK1222067A1 (zh) * 2013-07-14 2017-06-16 夏普株式会社 瓦片对齐信令和一致性约束
US9819941B2 (en) * 2013-10-10 2017-11-14 Qualcomm Incorporated Signaling for sub-decoded picture buffer (sub-DPB) based DPB operations in video coding
WO2015052943A1 (en) * 2013-10-13 2015-04-16 Sharp Kabushiki Kaisha Signaling parameters in vps extension and dpb operation
US10178397B2 (en) * 2014-03-24 2019-01-08 Qualcomm Incorporated Generic use of HEVC SEI messages for multi-layer codecs
US10432951B2 (en) 2014-06-24 2019-10-01 Qualcomm Incorporated Conformance and inoperability improvements in multi-layer video coding
US20160112724A1 (en) * 2014-10-15 2016-04-21 Qualcomm Incorporated Hrd descriptor and buffer model of data streams for carriage of hevc extensions
US20210235124A1 (en) * 2020-01-29 2021-07-29 Qualcomm Incorporated Decoded picture buffer (dpb) parameter signaling for video coding
WO2021162016A1 (ja) 2020-02-10 2021-08-19 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
US11778215B2 (en) * 2020-02-28 2023-10-03 Qualcomm Incorporated Coding output layer set data and conformance window data of high level syntax for video coding
CN115702567A (zh) * 2020-04-02 2023-02-14 Lg电子株式会社 用于用信号通知dpb相关信息和ptl相关信息的图像编码/解码方法和设备及存储比特流的计算机可读记录介质
US11470357B2 (en) * 2020-04-03 2022-10-11 Sharp Kabushiki Kaisha Systems and methods for signaling decoding capability information in video coding

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EP4131966A1 (en) 2023-02-08
US12155816B2 (en) 2024-11-26
WO2021201510A1 (ko) 2021-10-07
US12556681B2 (en) 2026-02-17
US20250047832A1 (en) 2025-02-06
CN115702567A (zh) 2023-02-14
JP7766134B2 (ja) 2025-11-07
JP7488360B2 (ja) 2024-05-21
JP2023519751A (ja) 2023-05-12
EP4131966A4 (en) 2024-03-06
JP2024102293A (ja) 2024-07-30
US20230156180A1 (en) 2023-05-18

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