IL314758B2 - Image encoding/decoding method and device using intra prediction - Google Patents

Image encoding/decoding method and device using intra prediction

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Publication number
IL314758B2
IL314758B2 IL314758A IL31475824A IL314758B2 IL 314758 B2 IL314758 B2 IL 314758B2 IL 314758 A IL314758 A IL 314758A IL 31475824 A IL31475824 A IL 31475824A IL 314758 B2 IL314758 B2 IL 314758B2
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IL
Israel
Prior art keywords
current block
block
partition
prediction
sample
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IL314758A
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English (en)
Hebrew (he)
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IL314758A (en
IL314758B1 (en
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of IL314758A publication Critical patent/IL314758A/en
Publication of IL314758B1 publication Critical patent/IL314758B1/en
Publication of IL314758B2 publication Critical patent/IL314758B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree 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)
IL314758A 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction IL314758B2 (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 (3)

Publication Number Publication Date
IL314758A IL314758A (en) 2024-10-01
IL314758B1 IL314758B1 (en) 2025-04-01
IL314758B2 true IL314758B2 (en) 2025-08-01

Family

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IL318997A IL318997A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318996A IL318996A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318995A IL318995A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL314758A IL314758B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL281221A IL281221B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction

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IL318997A IL318997A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318996A IL318996A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction
IL318995A IL318995A (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction

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IL281221A IL281221B2 (en) 2018-09-07 2019-09-06 Image encoding/decoding method and device using intra prediction

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US (6) US11477439B2 (enExample)
EP (1) EP3833021A4 (enExample)
JP (5) JP7448526B2 (enExample)
KR (1) KR20200028856A (enExample)
CN (6) CN116405679B (enExample)
AU (5) AU2019336038B2 (enExample)
BR (1) BR112021004024A2 (enExample)
CA (1) CA3111982C (enExample)
CL (1) CL2021000527A1 (enExample)
IL (5) IL318997A (enExample)
MX (5) MX2021002608A (enExample)
MY (1) MY207879A (enExample)
PH (1) PH12021550480A1 (enExample)
SG (1) SG11202102238SA (enExample)
WO (1) WO2020050684A1 (enExample)
ZA (1) ZA202101569B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200028856A (ko) * 2018-09-07 2020-03-17 김기백 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치
CN113225560B (zh) 2018-09-21 2023-05-23 Oppo广东移动通信有限公司 视频编码/解码方法、视频编码/解码装置和存储介质
IL281625B2 (en) 2018-09-21 2024-03-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Method for encoding/decoding image signal and apparatus therefor
IL305173A (en) 2018-10-12 2023-10-01 Guangdong Oppo Mobile Telecommunications Corp Ltd A method for encoding/decoding an image signal and a device for it
KR20250058116A (ko) 2018-12-07 2025-04-29 삼성전자주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
CN119946259B (zh) 2018-12-25 2025-11-21 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
CN120639983A (zh) * 2019-03-25 2025-09-12 Oppo广东移动通信有限公司 图像分量的预测方法、编码器、解码器及计算机存储介质
JP7303325B2 (ja) 2019-04-12 2023-07-04 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体、及び記憶方法
CN113748676B (zh) 2019-04-16 2024-05-10 北京字节跳动网络技术有限公司 帧内编解码模式下的矩阵推导
CN117241018A (zh) 2019-05-01 2023-12-15 北京字节跳动网络技术有限公司 使用滤波的基于矩阵的帧内预测
CN117097912A (zh) 2019-05-01 2023-11-21 北京字节跳动网络技术有限公司 基于矩阵的帧内预测的上下文编码
CN113875233B (zh) 2019-05-22 2023-12-15 北京字节跳动网络技术有限公司 使用上采样的基于矩阵的帧内预测
CN113924775B (zh) 2019-05-31 2023-11-14 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限制的上采样
CN114009043B (zh) * 2019-06-03 2024-10-22 Lg电子株式会社 基于矩阵的帧内预测装置和方法
CN117768652A (zh) 2019-06-05 2024-03-26 北京字节跳动网络技术有限公司 视频处理方法、装置、介质、以及存储比特流的方法
CN114641997B (zh) 2019-10-28 2024-07-05 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
CN117426088A (zh) * 2021-09-17 2024-01-19 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
WO2023198105A1 (en) * 2022-04-14 2023-10-19 Mediatek Inc. Region-based implicit intra mode derivation and prediction
US20250267285A1 (en) * 2022-04-20 2025-08-21 Lg Electronics Inc. Method and device for encoding/decoding image on basis of convolutional cross-component model (cccm) prediction, and recording medium for storing bitstream

Family Cites Families (47)

* 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
US9083974B2 (en) * 2010-05-17 2015-07-14 Lg Electronics Inc. Intra prediction modes
US9258573B2 (en) * 2010-12-07 2016-02-09 Panasonic Intellectual Property Corporation Of America Pixel adaptive intra smoothing
US9462272B2 (en) * 2010-12-13 2016-10-04 Electronics And Telecommunications Research Institute Intra prediction method and apparatus
US10992958B2 (en) * 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
KR20120088488A (ko) 2011-01-31 2012-08-08 한국전자통신연구원 시간적 움직임 벡터 저장 방법 및 그 장치
US20120218432A1 (en) * 2011-02-28 2012-08-30 Sony Corporation Recursive adaptive intra smoothing for video coding
US20130336398A1 (en) * 2011-03-10 2013-12-19 Electronics And Telecommunications Research Institute Method and device for intra-prediction
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
TWI552583B (zh) * 2011-06-28 2016-10-01 三星電子股份有限公司 用於畫面內預測編碼的方法及裝置以及用於畫面內預測解碼的方法及裝置
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
CN105338349B9 (zh) 2011-10-24 2019-03-05 英孚布瑞智有限私人贸易公司 用于图像解码的方法和装置
CN103596004A (zh) * 2013-11-19 2014-02-19 北京邮电大学 Hevc中基于数学统计和分类训练的帧内预测方法及装置
WO2015182342A1 (ja) * 2014-05-26 2015-12-03 シャープ株式会社 画像復号装置、および、画像符号化装置
CN115134596B (zh) * 2015-06-05 2024-12-31 杜比实验室特许公司 用于执行帧间预测的图像编解码方法、比特流存储方法
KR102835073B1 (ko) * 2015-08-28 2025-07-17 주식회사 케이티 비디오 신호 처리 방법 및 장치
CN108141609A (zh) * 2015-10-21 2018-06-08 夏普株式会社 预测图像生成装置、图像解码装置以及图像编码装置
KR20180059482A (ko) * 2015-10-22 2018-06-04 엘지전자 주식회사 비디오 코딩 시스템에서 인트라 예측 방법 및 장치
KR102791877B1 (ko) * 2015-11-12 2025-04-07 엘지전자 주식회사 영상 코딩 시스템에서 계수 유도 인트라 예측 방법 및 장치
CN107294578B (zh) * 2016-04-01 2021-01-29 华为技术有限公司 数据传输方法和装置
JP6649184B2 (ja) * 2016-05-31 2020-02-19 日本電信電話株式会社 線形予測係数出力装置、線形予測係数出力方法及び線形予測係数出力プログラム
WO2017209328A1 (ko) * 2016-06-03 2017-12-07 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
WO2017222237A1 (ko) * 2016-06-22 2017-12-28 한국전자통신연구원 화면 내 예측 방법 및 장치
KR102383104B1 (ko) * 2016-06-24 2022-04-06 주식회사 케이티 비디오 신호 처리 방법 및 장치
ES2908214T3 (es) * 2016-06-24 2022-04-28 Kt Corp Filtración adaptativa de muestras de referencia para intra predicción usando líneas de píxeles distantes
FI20165547A1 (fi) * 2016-06-30 2018-12-31 Nokia Technologies Oy Laitteisto, menetelmä ja tietokoneohjelma videokoodausta ja videokoodauksen purkua varten
US11272175B2 (en) 2016-10-05 2022-03-08 Telefonaktiebolaget Lm Ericsson (Publ) Deringing filter for video coding
US10477240B2 (en) * 2016-12-19 2019-11-12 Qualcomm Incorporated Linear model prediction mode with sample accessing for video coding
US20180176582A1 (en) * 2016-12-21 2018-06-21 Qualcomm Incorporated Low-complexity sign prediction for video coding
CN116916009A (zh) * 2017-09-08 2023-10-20 株式会社Kt 视频信号处理方法及装置
WO2019098758A1 (ko) * 2017-11-16 2019-05-23 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP4376412A3 (en) * 2017-12-15 2024-07-17 LG Electronics Inc. Image coding method on basis of transformation and device therefor
JP6980920B2 (ja) * 2017-12-21 2021-12-15 エルジー エレクトロニクス インコーポレイティドLg Electronics Inc. 選択的変換に基づいた映像コーディング方法およびその装置
US11533508B2 (en) * 2018-06-08 2022-12-20 Kt Corporation Method and apparatus for encoding/decoding residual data based on a plurality of transformations
EP3806472A1 (en) 2018-06-30 2021-04-14 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
WO2020014563A1 (en) * 2018-07-12 2020-01-16 Futurewei Technologies, Inc. Intra-prediction using a cross-component linear model in video coding
CA3090207C (en) * 2018-07-13 2022-03-15 Telefonaktiebolaget Lm Ericsson (Publ) Transform selection in a video encoder and/or video decoder
HRP20230288T1 (hr) * 2018-07-16 2023-05-12 Huawei Technologies Co., Ltd. Video koder, video dekoder, te odgovarajući postupci kodiranja i dekodiranja
KR20200028856A (ko) * 2018-09-07 2020-03-17 김기백 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치
JP7303325B2 (ja) * 2019-04-12 2023-07-04 北京字節跳動網絡技術有限公司 ビデオ処理方法、装置、記憶媒体、及び記憶方法
KR102436368B1 (ko) 2019-04-16 2022-08-25 엘지전자 주식회사 변환 인덱스를 이용하는 영상 코딩
CN118741124A (zh) 2019-05-03 2024-10-01 韩国电子通信研究院 对图像进行编码/解码的方法以及比特流的数据的传输方法

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CN113225557B (zh) 2023-06-20
MX2024014522A (es) 2025-01-09
CA3111982C (en) 2024-02-27
AU2019336038B2 (en) 2024-09-26
KR20200028856A (ko) 2020-03-17
US20230026704A1 (en) 2023-01-26
IL318997A (en) 2025-04-01
AU2019336038A1 (en) 2021-04-01
CN112806001A (zh) 2021-05-14
CN116389742B (zh) 2025-12-09
US20250071261A1 (en) 2025-02-27
US12137206B2 (en) 2024-11-05
US12143571B2 (en) 2024-11-12
AU2024278107A1 (en) 2025-01-02
JP2024059906A (ja) 2024-05-01
IL314758A (en) 2024-10-01
AU2024278106A1 (en) 2025-01-02
EP3833021A1 (en) 2021-06-09
JP2025094204A (ja) 2025-06-24
CN120786059A (zh) 2025-10-14
IL281221A (en) 2021-04-29
IL314758B1 (en) 2025-04-01
CN120751122A (zh) 2025-10-03
MX2024014524A (es) 2025-01-09
MX2024014521A (es) 2025-01-09
JP2025094205A (ja) 2025-06-24
SG11202102238SA (en) 2021-04-29
CN116405679A (zh) 2023-07-07
IL281221B2 (en) 2025-02-01
US20230026401A1 (en) 2023-01-26
MX2024014523A (es) 2025-01-09
AU2024278108A1 (en) 2025-01-02
CN113225557A (zh) 2021-08-06
PH12021550480A1 (en) 2021-10-11
CA3111982A1 (en) 2020-03-12
AU2024278109A1 (en) 2025-01-02
ZA202101569B (en) 2022-08-31
CN116389742A (zh) 2023-07-04
CL2021000527A1 (es) 2021-08-20
JP2024059905A (ja) 2024-05-01
US12143570B2 (en) 2024-11-12
US20230024256A1 (en) 2023-01-26
MY207879A (en) 2025-03-25
US20210195176A1 (en) 2021-06-24
JP7659679B2 (ja) 2025-04-09
MX2021002608A (es) 2021-05-12
IL318995A (en) 2025-04-01
US12137205B2 (en) 2024-11-05
BR112021004024A2 (pt) 2021-05-25
JP2022501881A (ja) 2022-01-06
US11477439B2 (en) 2022-10-18
JP7659678B2 (ja) 2025-04-09
EP3833021A4 (en) 2021-10-06
WO2020050684A1 (ko) 2020-03-12
CN116405679B (zh) 2025-12-09
US20230024482A1 (en) 2023-01-26
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