KR102937158B1 - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치

Info

Publication number
KR102937158B1
KR102937158B1 KR1020227021511A KR20227021511A KR102937158B1 KR 102937158 B1 KR102937158 B1 KR 102937158B1 KR 1020227021511 A KR1020227021511 A KR 1020227021511A KR 20227021511 A KR20227021511 A KR 20227021511A KR 102937158 B1 KR102937158 B1 KR 102937158B1
Authority
KR
South Korea
Prior art keywords
block
current block
motion vector
resolution
reduced
Prior art date
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
KR1020227021511A
Other languages
English (en)
Korean (ko)
Other versions
KR20220104041A (ko
Inventor
세훈 예
신 자오
산 류
Original Assignee
텐센트 아메리카 엘엘씨
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Publication of KR20220104041A publication Critical patent/KR20220104041A/ko
Application granted granted Critical
Publication of KR102937158B1 publication Critical patent/KR102937158B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector estimation
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227021511A 2021-01-14 2021-09-30 비디오 코딩을 위한 방법 및 장치 Active KR102937158B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163137350P 2021-01-14 2021-01-14
US63/137,350 2021-01-14
US17/488,027 2021-09-28
US17/488,027 US11924408B2 (en) 2021-01-14 2021-09-28 Method and apparatus for video coding
PCT/US2021/052967 WO2022154835A1 (en) 2021-01-14 2021-09-30 Method and apparatus for video coding

Publications (2)

Publication Number Publication Date
KR20220104041A KR20220104041A (ko) 2022-07-25
KR102937158B1 true KR102937158B1 (ko) 2026-03-11

Family

ID=82322348

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227021511A Active KR102937158B1 (ko) 2021-01-14 2021-09-30 비디오 코딩을 위한 방법 및 장치

Country Status (6)

Country Link
US (2) US11924408B2 (https=)
EP (1) EP4088474B1 (https=)
JP (2) JP7462792B2 (https=)
KR (1) KR102937158B1 (https=)
CN (1) CN115398918A (https=)
WO (1) WO2022154835A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11924408B2 (en) * 2021-01-14 2024-03-05 Tencent America LLC Method and apparatus for video coding
CN117242479A (zh) * 2021-04-01 2023-12-15 北京字节跳动网络技术有限公司 用于视频处理的方法、装置和介质
US12425616B2 (en) * 2022-11-15 2025-09-23 Tencent America LLC Scaled intra reference picture
CN120419179A (zh) * 2022-12-19 2025-08-01 交互数字Ce专利控股有限公司 增强型残差数据编码
WO2024215074A1 (ko) * 2023-04-10 2024-10-17 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
US12537964B2 (en) * 2023-09-22 2026-01-27 Tencent America LLC Block level adaptive weighted prediction with multiple scaling factors
US20250211754A1 (en) * 2023-12-20 2025-06-26 Tencent America Llc. Systems and methods for decoder-side motion vector refinement subsampling
CN120378615A (zh) * 2024-01-24 2025-07-25 华为技术有限公司 一种编解码方法及装置
CN118803254A (zh) * 2024-02-01 2024-10-18 中移（杭州）信息技术有限公司 一种帧内降采样解码方法、设备及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013518463A (ja) * 2010-01-22 2013-05-20 トムソン ライセンシング サンプリングベースの超解像度ビデオ符号化および復号化方法並びに装置
WO2019197674A1 (en) * 2018-04-13 2019-10-17 Koninklijke Kpn N.V. Block-level super-resolution based video coding

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9154808B2 (en) * 2005-01-14 2015-10-06 Thomson Licensing Method and apparatus for INTRA prediction for RRU
JP2009540666A (ja) * 2006-11-09 2009-11-19 エルジー エレクトロニクス インコーポレイティド ビデオ信号のデコーディング／エンコーディング方法及び装置
US8514942B2 (en) 2008-12-31 2013-08-20 Entropic Communications, Inc. Low-resolution video coding content extraction
AU2010206977B2 (en) * 2009-01-26 2016-02-25 Interdigital Vc Holdings, Inc. Frame packing for video coding
KR102647887B1 (ko) * 2014-10-31 2024-03-14 삼성전자주식회사 움직임 벡터 부복호화 방법 및 장치
US10560718B2 (en) * 2016-05-13 2020-02-11 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding
US11122288B2 (en) 2018-12-06 2021-09-14 Qualcomm Incorporated Spatio-temporal motion vector prediction patterns for video coding
US11197025B2 (en) * 2019-06-21 2021-12-07 Qualcomm Incorporated Signaling of matrix intra prediction parameters in video coding
US12206855B2 (en) * 2020-12-23 2025-01-21 Tencent America LLC Superresolution-based coding
US11924408B2 (en) * 2021-01-14 2024-03-05 Tencent America LLC Method and apparatus for video coding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013518463A (ja) * 2010-01-22 2013-05-20 トムソン ライセンシング サンプリングベースの超解像度ビデオ符号化および復号化方法並びに装置
WO2019197674A1 (en) * 2018-04-13 2019-10-17 Koninklijke Kpn N.V. Block-level super-resolution based video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Jianping Lin, et al. Convolutional Neural Network-Based Block Up-Sampling for HEVC, IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 29, NO. 12, DECEMBER 2019, 2018-11-30*

Also Published As

Publication number Publication date
JP7462792B2 (ja) 2024-04-05
US20240155113A1 (en) 2024-05-09
EP4088474B1 (en) 2026-04-15
EP4088474A1 (en) 2022-11-16
KR20220104041A (ko) 2022-07-25
WO2022154835A1 (en) 2022-07-21
JP2024079781A (ja) 2024-06-11
EP4088474A4 (en) 2023-07-12
US20220224883A1 (en) 2022-07-14
JP7697641B2 (ja) 2025-06-24
US12309359B2 (en) 2025-05-20
CN115398918A (zh) 2022-11-25
US11924408B2 (en) 2024-03-05
JP2023520594A (ja) 2023-05-17

Similar Documents

Publication Publication Date Title
JP7279233B2 (ja) ビデオを符号化して送信する方法およびコンピュータプログラム
KR102937158B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102855793B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102892832B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102902813B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20230135641A (ko) 적응형 모션 벡터 차이 해상도를 위한 공동 코딩
US12101504B2 (en) Reference line for directional intra prediction
JP2025513129A (ja) マッピングおよび異なるタイプを使用するルマからクロマの予測
JP2023517329A (ja) ビデオコーディングのための方法および装置
KR20230135670A (ko) 조인트 모션 벡터 차이 코딩
KR20240000570A (ko) 인트라 양예측 및 다중 참조 라인 선택을 위한 조화로운 설계
KR20230140456A (ko) 적응적 모션 벡터 차이 해상도를 위한 보간 필터들
JP7439344B2 (ja) ビデオデコーディングのための方法、デバイス、およびコンピュータプログラム
KR20230159603A (ko) 다중 예측 모드에 기반한 교차 채널 예측
KR20240051259A (ko) 루마로부터의 크로마 예측을 위한 다운샘플링 필터들의 선택
KR20240122500A (ko) 병합된 크로마 블록들에 기초한 루마로부터 크로마 예측
JP2024509606A (ja) 単一参照動きベクトル差分のための適応解像度
KR20230152733A (ko) 이웃 루마 샘플들을 사용하는 루마로부터의 크로마 예측
KR20230117614A (ko) 움직임 벡터 차이 제한 방법 및 디바이스
KR20230106699A (ko) 모션 벡터 차이 코딩을 위한 개선된 컨텍스트 도출
KR20240004995A (ko) 스킵 변환 플래그 코딩

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13 Pre-grant limitation requested

Free format text: ST27 STATUS EVENT CODE: A-2-3-E10-E13-LIM-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11 Amendment of application requested

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13 Application amended

Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-NAP-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

D22 Grant of ip right intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D22-EXM-PE0701 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

Q13 Ip right document published

Free format text: ST27 STATUS EVENT CODE: A-4-4-Q10-Q13-NAP-PG1601 (AS PROVIDED BY THE NATIONAL OFFICE)