KR20220024029A - 비디오 코딩에서의 dc 인트라 모드 예측 - Google Patents

비디오 코딩에서의 dc 인트라 모드 예측 Download PDF

Info

Publication number
KR20220024029A
KR20220024029A KR1020217040851A KR20217040851A KR20220024029A KR 20220024029 A KR20220024029 A KR 20220024029A KR 1020217040851 A KR1020217040851 A KR 1020217040851A KR 20217040851 A KR20217040851 A KR 20217040851A KR 20220024029 A KR20220024029 A KR 20220024029A
Authority
KR
South Korea
Prior art keywords
samples
current block
column
row
block
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
KR1020217040851A
Other languages
English (en)
Korean (ko)
Inventor
아다르쉬 크리쉬난 라마수브라모니안
더 아우베라 게르트 판
반 루옹 팜
마르타 카르체비츠
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20220024029A publication Critical patent/KR20220024029A/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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/44—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
    • H04N19/70—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)
KR1020217040851A 2019-06-20 2020-06-19 비디오 코딩에서의 dc 인트라 모드 예측 Pending KR20220024029A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962864422P 2019-06-20 2019-06-20
US62/864,422 2019-06-20
US201962866325P 2019-06-25 2019-06-25
US62/866,325 2019-06-25
US16/905,352 US11277616B2 (en) 2019-06-20 2020-06-18 DC intra mode prediction in video coding
US16/905,352 2020-06-18
PCT/US2020/038602 WO2020257559A1 (en) 2019-06-20 2020-06-19 Dc intra mode prediction in video coding

Publications (1)

Publication Number Publication Date
KR20220024029A true KR20220024029A (ko) 2022-03-03

Family

ID=74038144

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217040851A Pending KR20220024029A (ko) 2019-06-20 2020-06-19 비디오 코딩에서의 dc 인트라 모드 예측

Country Status (18)

Country Link
US (1) US11277616B2 (https=)
EP (1) EP3987779A1 (https=)
JP (1) JP7662540B2 (https=)
KR (1) KR20220024029A (https=)
CN (2) CN119729016A (https=)
AU (1) AU2020294783B2 (https=)
BR (1) BR112021024615A2 (https=)
CA (1) CA3141934A1 (https=)
CL (1) CL2021003354A1 (https=)
CO (1) CO2021017161A2 (https=)
IL (1) IL288324B2 (https=)
MX (1) MX2021015788A (https=)
MY (1) MY210334A (https=)
PH (1) PH12021552959A1 (https=)
SA (1) SA521431091B1 (https=)
TW (1) TWI874414B (https=)
WO (1) WO2020257559A1 (https=)
ZA (1) ZA202110594B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024248598A1 (ko) * 2023-06-01 2024-12-05 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11558605B2 (en) * 2020-01-23 2023-01-17 Tencent America LLC Video coding method and system based on multiple reference line intra prediction

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2934221T3 (es) * 2010-12-22 2023-02-20 Lg Electronics Inc Método de intrapredicción y aparato que utiliza el método
ES2844525B1 (es) * 2015-09-11 2022-07-05 Kt Corp Metodo para decodificar un video
CN116962721A (zh) * 2016-05-04 2023-10-27 微软技术许可有限责任公司 利用样本值的非相邻参考线进行帧内图片预测的方法
CN109314782A (zh) * 2016-05-24 2019-02-05 夏普株式会社 用于帧内预测编码的系统和方法
CN109792529A (zh) * 2016-09-22 2019-05-21 Lg 电子株式会社 图像编译系统中的基于照度补偿的间预测方法和设备
US10742975B2 (en) 2017-05-09 2020-08-11 Futurewei Technologies, Inc. Intra-prediction with multiple reference lines
CN115037931B (zh) * 2017-10-18 2025-08-26 英迪股份有限公司 图像编码/解码方法和装置以及存储有比特流的记录介质
CN115623197A (zh) 2018-05-12 2023-01-17 数码士有限公司 使用参考样本的视频信号处理方法及设备
CN116800982A (zh) * 2018-08-13 2023-09-22 Lg电子株式会社 图像编码/解码设备和图像数据发送设备
US11178396B2 (en) * 2018-11-14 2021-11-16 Tencent America LLC Constrained intra prediction and unified most probable mode list generation
AU2020240981B2 (en) * 2019-03-21 2025-07-24 Huawei Technologies Co., Ltd. Method and apparatus for intra-prediction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024248598A1 (ko) * 2023-06-01 2024-12-05 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Also Published As

Publication number Publication date
WO2020257559A1 (en) 2020-12-24
SA521431091B1 (ar) 2024-10-01
JP7662540B2 (ja) 2025-04-15
AU2020294783B2 (en) 2025-11-13
CA3141934A1 (en) 2020-12-24
US20200404281A1 (en) 2020-12-24
MX2021015788A (es) 2022-02-03
CN119729016A (zh) 2025-03-28
CN114009045B (zh) 2025-03-11
JP2022537155A (ja) 2022-08-24
US11277616B2 (en) 2022-03-15
AU2020294783A1 (en) 2022-01-06
TW202106010A (zh) 2021-02-01
TWI874414B (zh) 2025-03-01
EP3987779A1 (en) 2022-04-27
CN114009045A (zh) 2022-02-01
IL288324B2 (en) 2025-05-01
IL288324A (en) 2022-01-01
BR112021024615A2 (pt) 2022-01-18
ZA202110594B (en) 2025-01-29
IL288324B1 (en) 2025-01-01
MY210334A (en) 2025-09-12
PH12021552959A1 (en) 2022-07-25
CL2021003354A1 (es) 2022-09-02
CO2021017161A2 (es) 2022-01-17

Similar Documents

Publication Publication Date Title
KR102455655B1 (ko) 비디오 코딩에서의 계수 도메인 블록 차동 펄스-코드 변조
US20210006792A1 (en) Chroma delta quantization parameter (qp) in video coding
WO2021202881A1 (en) General constraint information syntax in video coding
KR20220008265A (ko) 비디오 코딩을 위한 제로-아웃 패턴들에 기초한 저 주파수 비 분리가능 변환 시그널링
KR20220006057A (ko) 비디오 코딩에서 아핀 선형 가중 인트라 예측
WO2020236561A1 (en) Reference picture resampling and inter-coding tools for video coding
EP4022905A1 (en) Cross-component adaptive loop filtering for video coding
KR20220036947A (ko) 비디오 코딩을 위한 크로마 인트라 예측 유닛들
WO2021041153A1 (en) Chroma quantization parameter (qp) derivation for video coding
KR20220073755A (ko) 비디오 코딩을 위한 변환 스킵에서 잔차 값들을 위한 코딩 스킴 시그널링
WO2021188357A1 (en) Independent subpicture signaling in video coding
WO2020264297A1 (en) Chroma delta quantization parameter in video coding
WO2021138412A1 (en) Chroma transform skip and joint chroma coding enabled block in video coding
KR20220036945A (ko) 팔레트 및 예측 모드 시그널링
EP4128789A1 (en) High-level constraints for transform skip blocks in video coding
KR20220061975A (ko) 비디오 코딩을 위한 하이 레벨 신택스에서의 서브-픽처들의 수의 시그널링
AU2020294783B2 (en) DC intra mode prediction in video coding
WO2021207232A1 (en) Signaling number of subblock merge candidates in video coding
EP4035394A1 (en) Parameter set signaling for video coding
WO2020257557A1 (en) Maximum allowed block size for bdpcm mode
US20210076072A1 (en) Constant slice header parameters signaled at higher syntax level for video coding
HK40064684A (en) Dc intra mode prediction in video coding

Legal Events

Date Code Title Description
PA0105 International application

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

PG1501 Laying open of application

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

D18-X000 Deferred examination requested

St.27 status event code: A-1-2-D10-D18-exm-X000

D19-X000 Deferred examination accepted

St.27 status event code: A-1-2-D10-D19-exm-X000

PA0201 Request for examination

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

D20-X000 Deferred examination resumed

St.27 status event code: A-1-2-D10-D20-exm-X000

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