SG11202102238SA - Image encoding/decoding method and device using intra prediction - Google Patents

Image encoding/decoding method and device using intra prediction

Info

Publication number
SG11202102238SA
SG11202102238SA SG11202102238SA SG11202102238SA SG11202102238SA SG 11202102238S A SG11202102238S A SG 11202102238SA SG 11202102238S A SG11202102238S A SG 11202102238SA SG 11202102238S A SG11202102238S A SG 11202102238SA SG 11202102238S A SG11202102238S A SG 11202102238SA
Authority
SG
Singapore
Prior art keywords
intra prediction
decoding method
image encoding
encoding
decoding
Prior art date
Application number
SG11202102238SA
Other languages
English (en)
Inventor
Ki Baek Kim
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of SG11202102238SA publication Critical patent/SG11202102238SA/en

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
    • H04N19/124—Quantisation
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/157—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
    • H04N19/50—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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202102238SA 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction SG11202102238SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180107255 2018-09-07
PCT/KR2019/011554 WO2020050684A1 (ko) 2018-09-07 2019-09-06 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치

Publications (1)

Publication Number Publication Date
SG11202102238SA true SG11202102238SA (en) 2021-04-29

Family

ID=69722959

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202102238SA SG11202102238SA (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction

Country Status (15)

Country Link
US (5) US11477439B2 (ja)
EP (1) EP3833021A4 (ja)
JP (3) JP7448526B2 (ja)
KR (1) KR20200028856A (ja)
CN (4) CN116405679A (ja)
AU (1) AU2019336038A1 (ja)
BR (1) BR112021004024A2 (ja)
CA (1) CA3111982C (ja)
CL (1) CL2021000527A1 (ja)
IL (1) IL281221A (ja)
MX (1) MX2021002608A (ja)
PH (1) PH12021550480A1 (ja)
SG (1) SG11202102238SA (ja)
WO (1) WO2020050684A1 (ja)
ZA (1) ZA202101569B (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200034646A (ko) 2018-09-21 2020-03-31 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
IL304953A (en) 2018-09-21 2023-10-01 Guangdong Oppo Mobile Telecommunications Corp Ltd A method of encoding/decoding image signals and a device therefor
BR112021010706A2 (pt) 2018-12-07 2021-11-30 Samsung Electronics Co Ltd Método de decodificação de vídeo, método de codificação de vídeo, e dispositivo de decodificação de vídeo
KR20210106547A (ko) 2018-12-25 2021-08-30 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 디코딩 예측 방법, 장치 및 컴퓨터 저장 매체
WO2020207498A1 (en) 2019-04-12 2020-10-15 Beijing Bytedance Network Technology Co., Ltd. Chroma coding mode determination based on matrix-based intra prediction
JP7403555B2 (ja) 2019-04-16 2023-12-22 北京字節跳動網絡技術有限公司 イントラコーディングモードにおけるマトリクスの導出
WO2020221373A1 (en) 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Matrix-based intra prediction using filtering
WO2020221372A1 (en) 2019-05-01 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Context coding for matrix-based intra prediction
JP2022533190A (ja) 2019-05-22 2022-07-21 北京字節跳動網絡技術有限公司 アップサンプリングを使用した行列ベースのイントラ予測
CN114051735A (zh) 2019-05-31 2022-02-15 北京字节跳动网络技术有限公司 基于矩阵的帧内预测中的一步下采样过程
CN114009043A (zh) * 2019-06-03 2022-02-01 Lg电子株式会社 基于矩阵的帧内预测装置和方法
KR20220016833A (ko) 2019-06-05 2022-02-10 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 행렬 기반의 인트라 예측을 위한 컨텍스트 결정
CN114641997A (zh) 2019-10-28 2022-06-17 北京字节跳动网络技术有限公司 基于颜色分量的语法信令通知和解析
WO2022186620A1 (ko) * 2021-03-04 2022-09-09 현대자동차주식회사 인트라 예측의 예측 신호를 개선하는 비디오 코딩방법 및 장치
WO2023039859A1 (zh) * 2021-09-17 2023-03-23 Oppo广东移动通信有限公司 视频编解码方法、设备、系统、及存储介质
WO2023204624A1 (ko) * 2022-04-20 2023-10-26 엘지전자 주식회사 Cccm(convolutional cross-component model) 예측에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080082143A (ko) * 2007-03-07 2008-09-11 삼성전자주식회사 영상 부호화 방법 및 장치, 복호화 방법 및 장치
US8705619B2 (en) * 2010-04-09 2014-04-22 Sony Corporation Directional discrete wavelet transform (DDWT) for video compression applications
KR101772459B1 (ko) * 2010-05-17 2017-08-30 엘지전자 주식회사 신규한 인트라 예측 모드
US9258573B2 (en) 2010-12-07 2016-02-09 Panasonic Intellectual Property Corporation Of America Pixel adaptive intra smoothing
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
US20120218432A1 (en) 2011-02-28 2012-08-30 Sony Corporation Recursive adaptive intra smoothing for video coding
KR20120103517A (ko) * 2011-03-10 2012-09-19 한국전자통신연구원 인트라 예측 방법 및 그 장치
US8861593B2 (en) * 2011-03-15 2014-10-14 Sony Corporation Context adaptation within video coding modules
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
CA3017176C (en) * 2011-06-28 2020-04-28 Samsung Electronics Co., Ltd. Method and apparatus for image encoding and decoding using intra prediction
CN108462875B (zh) 2011-09-15 2022-12-06 Vid拓展公司 视频解码方法及设备
KR20130037161A (ko) * 2011-10-05 2013-04-15 한국전자통신연구원 스케일러블 비디오 코딩을 위한 향상된 계층간 움직임 정보 예측 방법 및 그 장치
KR101947658B1 (ko) 2011-10-24 2019-02-14 (주)대가람 영상 복호화 방법 및 장치
US10171823B2 (en) * 2014-05-26 2019-01-01 Sharp Kabushiki Kaisha Image decoding device and image coding device
CA2997097C (en) * 2015-08-28 2022-06-07 Kt Corporation Method and device for processing video signal
EP3367688A4 (en) * 2015-10-21 2018-10-24 Sharp Kabushiki Kaisha Predictive image generation device, image decoding device, and image encoding device
US10819987B2 (en) * 2015-11-12 2020-10-27 Lg Electronics Inc. Method and apparatus for coefficient induced intra prediction in image coding system
KR20180136555A (ko) * 2016-06-03 2018-12-24 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측 방법 및 장치
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
CN117221581A (zh) * 2016-06-22 2023-12-12 Lx 半导体科技有限公司 图像编码/解码方法以及图像数据的传输方法
CN109417628B (zh) 2016-06-24 2022-03-08 株式会社Kt 视频信号处理方法和装置
ES2699723B2 (es) * 2016-06-24 2020-10-16 Kt Corp Metodo y aparato para tratar una senal de video
US10477240B2 (en) * 2016-12-19 2019-11-12 Qualcomm Incorporated Linear model prediction mode with sample accessing for video coding
CN110710215A (zh) * 2017-09-08 2020-01-17 株式会社Kt 视频信号处理方法及装置
KR102595070B1 (ko) * 2017-11-16 2023-10-27 인텔렉추얼디스커버리 주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP3716630A4 (en) * 2017-12-15 2021-01-27 LG Electronics Inc. METHOD AND DEVICE FOR IMAGE ENCODING BASED ON CONVERSION AND DEVICE FOR IT
BR122021019694B1 (pt) * 2017-12-21 2022-05-17 Lg Electronics Inc Método de decodificação / codificação de imagem realizado por um aparelho de decodificação / codificação, aparelho de decodificação/codificação para decodificação/codificação de imagem, método e aparelho de transmissão de dados que compreende um fluxo de bits para uma imagem e mídia de armazenamento digital legível por computador não transitória
CN112166609A (zh) * 2018-06-08 2021-01-01 株式会社Kt 用于处理视频信号的方法和设备
CA3105339A1 (en) 2018-06-30 2020-01-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Merge mode-based inter-prediction method and apparatus
US10404980B1 (en) * 2018-07-10 2019-09-03 Tencent America LLC Intra prediction with wide angle mode in video coding

Also Published As

Publication number Publication date
US20230026704A1 (en) 2023-01-26
JP2024059906A (ja) 2024-05-01
US20210195176A1 (en) 2021-06-24
BR112021004024A2 (pt) 2021-05-25
CN112806001A (zh) 2021-05-14
US11477439B2 (en) 2022-10-18
US20230024256A1 (en) 2023-01-26
PH12021550480A1 (en) 2021-10-11
JP2024059905A (ja) 2024-05-01
IL281221A (en) 2021-04-29
KR20200028856A (ko) 2020-03-17
JP2022501881A (ja) 2022-01-06
MX2021002608A (es) 2021-05-12
EP3833021A4 (en) 2021-10-06
ZA202101569B (en) 2022-08-31
CA3111982C (en) 2024-02-27
EP3833021A1 (en) 2021-06-09
CN113225557A (zh) 2021-08-06
CA3111982A1 (en) 2020-03-12
WO2020050684A1 (ko) 2020-03-12
CN116405679A (zh) 2023-07-07
US20230026401A1 (en) 2023-01-26
AU2019336038A1 (en) 2021-04-01
JP7448526B2 (ja) 2024-03-12
CL2021000527A1 (es) 2021-08-20
CN113225557B (zh) 2023-06-20
US20230024482A1 (en) 2023-01-26
CN116389742A (zh) 2023-07-04

Similar Documents

Publication Publication Date Title
ZA202101569B (en) Image encoding/decoding method and device using intra prediction
SG11202101876RA (en) Method and device for coding/decoding image using intra prediction
EP4084475C0 (en) METHOD AND DEVICE FOR PERFORMING IMAGE DECODING BASED ON INTRAPREDICTION IN AN IMAGE CODING SYSTEM
SG11202009302RA (en) Method and apparatus for encoding/decoding image
EP3905687C0 (en) IMAGE CODING APPARATUS, IMAGE CODING METHOD, IMAGE CODING PROGRAM, IMAGE DECODING APPARATUS, IMAGE DECODING METHOD AND IMAGE DECODING PROGRAM
EP3509304A4 (en) METHOD AND DEVICE FOR BILDCODING AND DECODING INTER-FRAME PREDICTION
IL281823A (en) A method for encoding/decoding an image signal and a device for it
SG11202106789YA (en) Intra prediction-based video encoding/decoding method and device
SG11202001199QA (en) Video image encoding and decoding method, apparatus, and device
SG11202013232QA (en) Method and apparatus for encoding/decoding image
EP3799429A4 (en) METHOD AND APPARATUS FOR IMAGE CODING / DECODING USING INTRA PREDICTION
ZA202105106B (en) Image coding method and device for carrying out mrl-based intra prediction
ZA202101846B (en) Image signal encoding/decoding method and device therefor
SG11202009298TA (en) Image encoding/decoding method and device
ZA202101747B (en) Image encoding/decoding method and device
IL281533A (en) Method and device for encoding and decoding video using bi-prediction
SG11202012036QA (en) Intra prediction encoding/decoding method and device for chrominance components
FI3893510T3 (fi) Menetelmä ja laitteisto videokuvan koodaukseen ja dekoodaukseen
HUE062478T2 (hu) Eljárás és eszköz kép dekódolására CCLM predikció alapján képkódoló rendszerben
IL283623A (en) Method and device for encoding and decoding images
SG11202106417YA (en) Prediction image generation apparatus, video decoding apparatus, video coding apparatus, and prediction image generation method
EP3512201A4 (en) PROCESS AND DEVICE FOR IMAGE DECODING BASED ON INTRAPRADICTION IN A BILDCODING SYSTEM
EP3780603A4 (en) INTRA-PREDICTION DEVICE, IMAGE CODING DEVICE, IMAGE DECODING DEVICE AND PROGRAM
ZA202104334B (en) Image encoding device, image encoding method, image encoding program, image decoding device, image decoding method, and image decoding program
IL281260A (en) Method and device for image encoding/decoding