KR20230035703A - 비디오 코딩을 위한 방법 및 장치 - Google Patents

비디오 코딩을 위한 방법 및 장치 Download PDF

Info

Publication number
KR20230035703A
KR20230035703A KR1020237007309A KR20237007309A KR20230035703A KR 20230035703 A KR20230035703 A KR 20230035703A KR 1020237007309 A KR1020237007309 A KR 1020237007309A KR 20237007309 A KR20237007309 A KR 20237007309A KR 20230035703 A KR20230035703 A KR 20230035703A
Authority
KR
South Korea
Prior art keywords
block
ctu
video
current
samples
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.)
Pending
Application number
KR1020237007309A
Other languages
English (en)
Korean (ko)
Inventor
샤오중 쉬
산 류
샹 리
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 KR20230035703A publication Critical patent/KR20230035703A/ko
Pending legal-status Critical Current

Links

Images

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
    • H04N19/132—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/176—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
    • H04N19/42—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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
    • 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
    • H04N19/517—Processing of motion vectors by 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237007309A 2019-01-15 2020-01-06 비디오 코딩을 위한 방법 및 장치 Pending KR20230035703A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962792888P 2019-01-15 2019-01-15
US62/792,888 2019-01-15
US16/533,719 2019-08-06
US16/533,719 US10771799B2 (en) 2019-01-15 2019-08-06 Method and apparatus for video coding
PCT/US2020/012367 WO2020150026A1 (en) 2019-01-15 2020-01-06 Method and apparatus for video coding
KR1020217016000A KR102506619B1 (ko) 2019-01-15 2020-01-06 비디오 코딩을 위한 방법 및 장치

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020217016000A Division KR102506619B1 (ko) 2019-01-15 2020-01-06 비디오 코딩을 위한 방법 및 장치

Publications (1)

Publication Number Publication Date
KR20230035703A true KR20230035703A (ko) 2023-03-14

Family

ID=71516227

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020237007309A Pending KR20230035703A (ko) 2019-01-15 2020-01-06 비디오 코딩을 위한 방법 및 장치
KR1020217016000A Active KR102506619B1 (ko) 2019-01-15 2020-01-06 비디오 코딩을 위한 방법 및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020217016000A Active KR102506619B1 (ko) 2019-01-15 2020-01-06 비디오 코딩을 위한 방법 및 장치

Country Status (6)

Country Link
US (4) US10771799B2 (https=)
EP (1) EP3912349A4 (https=)
JP (3) JP7210732B2 (https=)
KR (2) KR20230035703A (https=)
CN (4) CN114827598B (https=)
WO (1) WO2020150026A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024215155A1 (ko) * 2023-04-14 2024-10-17 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체
WO2024215150A1 (ko) * 2023-04-14 2024-10-17 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2961089C (en) 2014-09-30 2023-03-28 Microsoft Technology Licensing, Llc Hash-based encoder decisions for video coding
US10771799B2 (en) * 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding
US11265580B2 (en) * 2019-03-22 2022-03-01 Tencent America LLC Supplemental enhancement information messages for neural network based video post processing
US11202085B1 (en) * 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks
US11979560B2 (en) * 2021-08-25 2024-05-07 Tencent America LLC Intra block copy with an adaptive local reference range
US12120290B2 (en) 2021-09-17 2024-10-15 Tencent America LLC Method and apparatus for intra block copy mode coding with search range switching
CN113992635B (zh) 2021-10-20 2022-09-20 腾讯科技（深圳）有限公司 多媒体数据处理方法、装置、设备及存储介质
CN116095311B (zh) * 2022-07-26 2025-01-24 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
CN120642335A (zh) * 2023-01-19 2025-09-12 英迪股份有限公司 基于帧间预测的图像编码/解码方法和装置以及用于存储比特流的记录介质

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013228045A1 (en) * 2013-09-13 2015-04-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
KR102257269B1 (ko) * 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
AU2013270596A1 (en) * 2013-12-13 2015-07-02 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
US10368097B2 (en) * 2014-01-07 2019-07-30 Nokia Technologies Oy Apparatus, a method and a computer program product for coding and decoding chroma components of texture pictures for sample prediction of depth pictures
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US9877034B2 (en) * 2014-04-14 2018-01-23 Avago Technologies General Ip (Singapore) Pte. Ltd. Pipelined video decoder system
AU2014202682A1 (en) * 2014-05-16 2015-12-03 Canon Kabushiki Kaisha Method, apparatus and system for copying a block of video samples
US10327001B2 (en) * 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy
US10027981B2 (en) * 2014-09-01 2018-07-17 Hfi Innovation Inc. Method of intra picture block copy for screen content and video coding
CA3171803A1 (en) 2014-09-30 2016-04-07 Microsoft Technology Licensing, Llc Rules for intra-picture prediction modes when wavefront parallel processing is enabled
US9591325B2 (en) * 2015-01-27 2017-03-07 Microsoft Technology Licensing, Llc Special case handling for merged chroma blocks in intra block copy prediction mode
SG10201900582XA (en) * 2015-03-02 2019-02-27 Hfi Innovation Inc Method and apparatus for intrabc mode with fractional-pel block vector resolution in video coding
CN107852499B (zh) * 2015-04-13 2021-05-07 联发科技股份有限公司 用于视频数据的视频编解码方法
WO2017190288A1 (en) 2016-05-04 2017-11-09 Microsoft Technology Licensing, Llc Intra-picture prediction using non-adjacent reference lines of sample values
EP3449630B1 (en) * 2016-05-28 2024-07-10 Mediatek Inc. Method and apparatus of current picture referencing for video coding
US11019331B2 (en) * 2018-07-16 2021-05-25 Tencent America LLC Method and apparatus for video coding with prediction information
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
US10848782B2 (en) * 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
KR102572355B1 (ko) * 2018-11-30 2023-08-30 텐센트 아메리카 엘엘씨 비디오 코딩을 위한 방법 및 장치
US10701385B1 (en) * 2019-01-13 2020-06-30 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation
US10771799B2 (en) * 2019-01-15 2020-09-08 Tencent America LLC Method and apparatus for video coding

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024215155A1 (ko) * 2023-04-14 2024-10-17 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체
WO2024215150A1 (ko) * 2023-04-14 2024-10-17 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체

Also Published As

Publication number Publication date
JP2024096922A (ja) 2024-07-17
CN114827598A (zh) 2022-07-29
WO2020150026A8 (en) 2020-10-29
US20200228814A1 (en) 2020-07-16
US20200366917A1 (en) 2020-11-19
JP2023040204A (ja) 2023-03-22
EP3912349A4 (en) 2022-03-16
US10771799B2 (en) 2020-09-08
JP7476367B2 (ja) 2024-04-30
KR102506619B1 (ko) 2023-03-07
JP2025087842A (ja) 2025-06-10
JP7648830B2 (ja) 2025-03-18
JP7210732B2 (ja) 2023-01-23
JP2022509172A (ja) 2022-01-20
US12301852B2 (en) 2025-05-13
US11006140B2 (en) 2021-05-11
US20230403405A1 (en) 2023-12-14
CN114979657B (zh) 2024-07-12
CN113273201A (zh) 2021-08-17
EP3912349A1 (en) 2021-11-24
CN115190308B (zh) 2025-04-11
KR20210077766A (ko) 2021-06-25
US11778214B2 (en) 2023-10-03
CN114827598B (zh) 2024-08-23
CN115190308A (zh) 2022-10-14
WO2020150026A1 (en) 2020-07-23
CN114979657A (zh) 2022-08-30
US20210235102A1 (en) 2021-07-29
CN113273201B (zh) 2022-03-04

Similar Documents

Publication Publication Date Title
KR102545299B1 (ko) 비디오 디코딩을 위한 방법 및 장치
KR102487114B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102506525B1 (ko) 비디오 디코딩을 위한 방법, 장치 및 매체
EP3918802B1 (en) Method and apparatus for video coding
EP3750313B1 (en) Method and apparatus for video coding
KR102454760B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102572355B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102506619B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20230003005A (ko) 템플릿 매칭 기반 인트라 예측
KR20230085184A (ko) 인트라 예측의 융합에 대한 수정
KR102522112B1 (ko) 서브-블록 기반 시간 움직임 벡터 예측을 위한 방법 및 장치
WO2019150352A1 (en) Method and apparatus for video coding
KR20210089785A (ko) 인트라 픽처 블록 보상을 위한 참조 샘플 메모리 재사용 방법 및 장치
KR102461780B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20220029729A (ko) 비디오 코딩을 위한 방법 및 장치
KR102511621B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR20210069720A (ko) 작은 코딩 블록들에 대한 단순화된 병합 리스트 구성
EP3957074A1 (en) Method and apparatus for video coding
CA3131692A1 (en) Determination of block vector for a block in a region of a coding tree block
KR20230065344A (ko) 서브블록 교차 성분 선형 모델 예측
EP3954116A1 (en) Method and apparatus for video coding

Legal Events

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

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

PG1501 Laying open of application

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

P11-X000 Amendment of application requested

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

P13-X000 Application amended

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

PA0201 Request for examination

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

D21 Rejection of application intended

Free format text: ST27 STATUS EVENT CODE: A-1-2-D10-D21-EXM-PE0902 (AS PROVIDED BY THE NATIONAL OFFICE)

PE0902 Notice of grounds for rejection

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

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