CL2023001950A1 - Método y dispositivo de codificación/decodificación de video a base de intra predicción - Google Patents

Método y dispositivo de codificación/decodificación de video a base de intra predicción

Info

Publication number
CL2023001950A1
CL2023001950A1 CL2023001950A CL2023001950A CL2023001950A1 CL 2023001950 A1 CL2023001950 A1 CL 2023001950A1 CL 2023001950 A CL2023001950 A CL 2023001950A CL 2023001950 A CL2023001950 A CL 2023001950A CL 2023001950 A1 CL2023001950 A1 CL 2023001950A1
Authority
CL
Chile
Prior art keywords
intra prediction
decoding method
device based
video coding
current block
Prior art date
Application number
CL2023001950A
Other languages
English (en)
Inventor
Baek Kim Ki
Original Assignee
B1 Institute Image Technology Inc
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 B1 Institute Image Technology Inc filed Critical B1 Institute Image Technology Inc
Publication of CL2023001950A1 publication Critical patent/CL2023001950A1/es

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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/553—Motion estimation dealing with occlusions
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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)

Abstract

La presente invención que se refiere a un método y dispositivo de codificación/decodificación de video de conformidad con la presente invención puede: determinar un área de referencia para la intra predicción del bloque actual; derivar el modo de intra predicción del bloque actual; y decodificar el bloque actual con base en el área de referencia y el modo de intra predicción.
CL2023001950A 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción CL2023001950A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20180173164 2018-12-28
KR20180173228 2018-12-29

Publications (1)

Publication Number Publication Date
CL2023001950A1 true CL2023001950A1 (es) 2023-12-22

Family

ID=71127350

Family Applications (6)

Application Number Title Priority Date Filing Date
CL2021001711A CL2021001711A1 (es) 2018-12-28 2021-06-25 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2022001094A CL2022001094A1 (es) 2018-12-28 2022-04-29 Método y dispositivo de codificación/decodificación de video a base de intra predicción (divisional de la solicitud no. 202101711)
CL2023001950A CL2023001950A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001947A CL2023001947A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001946A CL2023001946A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001948A CL2023001948A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CL2021001711A CL2021001711A1 (es) 2018-12-28 2021-06-25 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2022001094A CL2022001094A1 (es) 2018-12-28 2022-04-29 Método y dispositivo de codificación/decodificación de video a base de intra predicción (divisional de la solicitud no. 202101711)

Family Applications After (3)

Application Number Title Priority Date Filing Date
CL2023001947A CL2023001947A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001946A CL2023001946A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2023001948A CL2023001948A1 (es) 2018-12-28 2023-06-30 Método y dispositivo de codificación/decodificación de video a base de intra predicción

Country Status (15)

Country Link
US (4) US10951886B2 (es)
EP (1) EP3905677A4 (es)
JP (1) JP7467467B2 (es)
KR (1) KR20200083356A (es)
CN (1) CN113261282A (es)
AU (1) AU2019416633A1 (es)
BR (1) BR112021012650A2 (es)
CA (1) CA3125318A1 (es)
CL (6) CL2021001711A1 (es)
CO (1) CO2021008542A2 (es)
MX (2) MX2021007764A (es)
PE (1) PE20212021A1 (es)
SG (1) SG11202106789YA (es)
WO (1) WO2020139060A1 (es)
ZA (2) ZA202104512B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8867854B2 (en) * 2008-10-01 2014-10-21 Electronics And Telecommunications Research Institute Image encoder and decoder using undirectional prediction
IL279503B1 (en) * 2018-06-25 2024-05-01 Guangdong Oppo Mobile Telecommunications Corp Ltd Interior-frame and device prediction method
KR20200028860A (ko) 2018-09-07 2020-03-17 김기백 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치
MX2021007764A (es) * 2018-12-28 2021-08-05 B1 Institute Image Technology Inc Metodo y dispositivo de codificacion/decodificacion de video a base de intra prediccion.
MX2021008347A (es) * 2019-01-09 2021-10-13 Huawei Tech Co Ltd Un codificador de video, un decodificador de video y metodos correspondientes.
MX2021011032A (es) * 2019-03-11 2021-12-15 Huawei Tech Co Ltd Un codificador, un decodificador y métodos correspondientes.
WO2021045147A1 (ja) * 2019-09-06 2021-03-11 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、および復号方法
KR20210034536A (ko) * 2019-09-20 2021-03-30 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US11477450B2 (en) * 2019-12-20 2022-10-18 Zte (Uk) Limited Indication of video slice height in video subpictures
US11917136B2 (en) * 2021-07-15 2024-02-27 Tencent America LLC Intra mode coding
CN115988206B (zh) * 2023-03-21 2024-03-26 深圳传音控股股份有限公司 图像处理方法、处理设备及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY169636A (en) 2011-06-27 2019-04-24 Sun Patent Trust Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
KR20130049526A (ko) * 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
KR101846250B1 (ko) * 2011-12-14 2018-04-06 주식회사 스카이미디어테크 적중률이 높은 ｍｐｍ을 통한 영상의 부호화 방법 및 장치, 그리고 복호화 방법 및 장치
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
WO2016182317A1 (ko) * 2015-05-12 2016-11-17 삼성전자 주식회사 인트라 예측을 수행하는 영상 복호화 방법 및 그 장치 및 인트라 예측을 수행하는 영상 부호화 방법 및 그 장치
US10587873B2 (en) * 2015-10-13 2020-03-10 Lg Electronics Inc. Method and apparatus for encoding and decoding video signal
CN117499650A (zh) * 2016-04-29 2024-02-02 英迪股份有限公司 图像解码方法、图像编码方法和用于发送比特流的方法
CN114584765A (zh) 2016-04-29 2022-06-03 英迪股份有限公司 解码和编码视频的方法以及传送比特流的方法
US20170374369A1 (en) * 2016-06-24 2017-12-28 Mediatek Inc. Methods and Apparatuses of Decoder Side Intra Mode Derivation
JP6792996B2 (ja) * 2016-10-12 2020-12-02 日本放送協会 符号化装置、復号装置及びプログラム
WO2018116925A1 (ja) * 2016-12-21 2018-06-28 シャープ株式会社 イントラ予測画像生成装置、画像復号装置、および画像符号化装置
CN117640963A (zh) * 2018-02-23 2024-03-01 英迪股份有限公司 对图像进行解码或编码的方法和传输图像的数据的方法
US10448026B1 (en) * 2018-07-09 2019-10-15 Tencent America LLC Method and apparatus for block vector signaling and derivation in intra picture block compensation
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
KR20200028860A (ko) * 2018-09-07 2020-03-17 김기백 인트라 예측을 이용한 영상 부호화/복호화 방법 및 장치
US11659163B2 (en) * 2018-12-17 2023-05-23 Industry Academy Cooperation Foundation Of Sejong University Video encoding/decoding method and device
MX2021007764A (es) * 2018-12-28 2021-08-05 B1 Institute Image Technology Inc Metodo y dispositivo de codificacion/decodificacion de video a base de intra prediccion.

Also Published As

Publication number Publication date
US20210044830A1 (en) 2021-02-11
US11677933B2 (en) 2023-06-13
KR20200083356A (ko) 2020-07-08
PE20212021A1 (es) 2021-10-18
MX2023007397A (es) 2023-07-05
WO2020139060A1 (ko) 2020-07-02
US20230269370A1 (en) 2023-08-24
JP2022515992A (ja) 2022-02-24
JP7467467B2 (ja) 2024-04-15
CL2023001948A1 (es) 2023-12-22
MX2021007764A (es) 2021-08-05
CL2023001946A1 (es) 2023-12-22
CA3125318A1 (en) 2020-07-02
CL2022001094A1 (es) 2023-02-03
US20210160483A1 (en) 2021-05-27
CN113261282A (zh) 2021-08-13
US10951918B2 (en) 2021-03-16
EP3905677A1 (en) 2021-11-03
CO2021008542A2 (es) 2021-07-30
CL2021001711A1 (es) 2021-12-24
US20210044798A1 (en) 2021-02-11
ZA202210186B (en) 2023-11-29
BR112021012650A2 (pt) 2021-11-03
SG11202106789YA (en) 2021-07-29
ZA202104512B (en) 2024-02-28
US10951886B2 (en) 2021-03-16
CL2023001947A1 (es) 2023-12-22
AU2019416633A1 (en) 2021-08-19
EP3905677A4 (en) 2022-08-31

Similar Documents

Publication Publication Date Title
CL2023001947A1 (es) Método y dispositivo de codificación/decodificación de video a base de intra predicción
CL2021000527A1 (es) Método y dispositivo de codificación / decodificación de imágenes utilizando intra predicción
MX2020010314A (es) Metodo y aparato para codificar/decodificar imagen.
ZA202202999B (en) Method and device for coding/decoding image using intra prediction
BR112018077227A2 (pt) codificação de vídeo com refinamento de informações de movimento adaptativas
MX360488B (es) Uso de una imagen actual como una referencia para la codificacion de video.
AR088540A1 (es) Metodo de codificacion de imagenes, aparato de codificacion de imagenes, metodo de decodificacion de imagenes y aparato de decodificacion de imagenes
WO2019050385A3 (ko) 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치
PH12017500702A1 (en) An apparatus, a method and a computer program for image sequence coding and decoding
BR112021019205A2 (pt) Codificador, decodificador e métodos correspondentes que harmonizam predição intra com base em matriz e seleção de núcleo de transformada secundária
BR112016021529A8 (pt) dispositivo de computação, método e meio legível por computador para ajuste de quantização/escalada e quantização/escalada inversa ao alternar áreas de cor
MX2021001745A (es) Gestión de imágenes de referencia en codificación de video.
WO2015152608A3 (ko) 서브블록 기반 예측을 수행하는 인터 레이어 비디오 복호화 방법 및 그 장치 및 서브블록 기반 예측을 수행하는 인터 레이어 비디오 부호화 방법 및 그 장치
MY173463A (en) Image coding method, image coding apparatus, image decoding method, image decoding apparatus, and image coding and decoding apparatus
MX2019014443A (es) Un metodo y un dispositivo para codificacion y decodificacion de imagenes.
EP4300961A3 (en) Image signal encoding/decoding method and device
PH12016502216A1 (en) Method and technical equipment for video encoding and decoding using palette coding
CL2020003275A1 (es) Método y aparato para inter-predicción basada en modalidad de fusión
CL2020002481A1 (es) Método y dispositivo de codificación/decodificación de imagen
CL2021001408A1 (es) Codificador, decodificador y métodos correspondientes de construcción de listas de modos más probables para bloques con predicción de hipótesis múltiples
BR122022003522A8 (pt) Aparelho de decodificação de informações de movimento, e método para codificar informações de movimento
EA202191811A1 (ru) Кодирование видео и декодирование видео
MX2021002968A (es) Aparato de codificacion de video, metodo de codificacion de video, programa de codificacion de video, aparato de decodificacion de video, metodo de decodificacion de video y programa de decodificacion de video.
AR110436A1 (es) Método de codificación de vídeo, método de decodificación de vídeo, dispositivo de codificación de vídeo y dispositivo de decodificación de vídeo