CL2021000671A1 - Método de codificación/decodificación de señales de imagen y dispositivo para lo mismo - Google Patents

Método de codificación/decodificación de señales de imagen y dispositivo para lo mismo

Info

Publication number
CL2021000671A1
CL2021000671A1 CL2021000671A CL2021000671A CL2021000671A1 CL 2021000671 A1 CL2021000671 A1 CL 2021000671A1 CL 2021000671 A CL2021000671 A CL 2021000671A CL 2021000671 A CL2021000671 A CL 2021000671A CL 2021000671 A1 CL2021000671 A1 CL 2021000671A1
Authority
CL
Chile
Prior art keywords
decoding method
same
image signal
signal encoding
affine
Prior art date
Application number
CL2021000671A
Other languages
English (en)
Inventor
Bae Keun Lee
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 CL2021000671A1 publication Critical patent/CL2021000671A1/es

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    • 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
    • H04N19/102—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
    • H04N19/103—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
    • H04N19/132—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
    • H04N19/169—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
    • H04N19/186—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
    • H04N19/50—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
    • 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
    • H04N19/70—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
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/94—Vector 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
    • H04N19/90—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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

Método de decodificación de imagen que comprende: generar lista de candidatos de fusión en bloque actual; especificar una pluralidad de candidatos de fusión en la lista; derivar primer y segundo vectores semilla afín del bloque actual; derivar un vector afín para un sub-bloque en el bloque actual usando el primer y el segundo vector semilla afín; y realizar predicción de compensación de movimiento para el sub-bloque sobre la base del vector afín.
CL2021000671A 2018-09-21 2021-03-18 Método de codificación/decodificación de señales de imagen y dispositivo para lo mismo CL2021000671A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180114344 2018-09-21
KR20180114342 2018-09-21
KR20180114343 2018-09-21

Publications (1)

Publication Number Publication Date
CL2021000671A1 true CL2021000671A1 (es) 2021-09-03

Family

ID=69887728

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021000671A CL2021000671A1 (es) 2018-09-21 2021-03-18 Método de codificación/decodificación de señales de imagen y dispositivo para lo mismo

Country Status (17)

Country Link
US (3) US11223845B2 (es)
EP (5) EP4224851A1 (es)
JP (2) JP7449279B2 (es)
KR (1) KR20200034644A (es)
CN (2) CN112840647A (es)
AU (1) AU2019344978A1 (es)
BR (1) BR112021004922A2 (es)
CA (1) CA3113054A1 (es)
CL (1) CL2021000671A1 (es)
ES (1) ES2955040T3 (es)
IL (2) IL281622B2 (es)
MX (1) MX2021003325A (es)
PH (1) PH12021550627A1 (es)
PL (1) PL3840376T3 (es)
SG (1) SG11202102788YA (es)
WO (1) WO2020060327A1 (es)
ZA (1) ZA202101846B (es)

Cited By (1)

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US11425416B2 (en) 2018-12-07 2022-08-23 Samsung Electronics Co., Ltd. Video decoding method and device, and video encoding method and device

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KR20240027856A (ko) * 2018-07-11 2024-03-04 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 인코더, 비디오 디코더, 및 대응하는 방법
CN116055720A (zh) 2018-09-21 2023-05-02 Oppo广东移动通信有限公司 视频信号编码/解码方法及其设备
CN113068025B (zh) 2018-12-25 2023-05-12 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
WO2020141904A1 (ko) * 2019-01-02 2020-07-09 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
WO2023220970A1 (zh) * 2022-05-18 2023-11-23 Oppo广东移动通信有限公司 视频编码方法、装置、设备、系统、及存储介质

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US11425416B2 (en) 2018-12-07 2022-08-23 Samsung Electronics Co., Ltd. Video decoding method and device, and video encoding method and device
US11943469B2 (en) 2018-12-07 2024-03-26 Samsung Electronics Co., Ltd. Video decoding method and device, and video encoding method and device

Also Published As

Publication number Publication date
AU2019344978A1 (en) 2021-04-15
US20210203977A1 (en) 2021-07-01
WO2020060327A1 (ko) 2020-03-26
US11223845B2 (en) 2022-01-11
CN113225560A (zh) 2021-08-06
EP4224849A1 (en) 2023-08-09
KR20200034644A (ko) 2020-03-31
US11758176B2 (en) 2023-09-12
EP4224848A1 (en) 2023-08-09
EP4224851A1 (en) 2023-08-09
CN112840647A (zh) 2021-05-25
JP7449279B2 (ja) 2024-03-13
US20220094964A1 (en) 2022-03-24
CA3113054A1 (en) 2020-03-26
JP2022502899A (ja) 2022-01-11
PH12021550627A1 (en) 2022-02-14
IL281622B1 (en) 2023-09-01
EP4224850A1 (en) 2023-08-09
EP3840376A4 (en) 2021-07-07
ZA202101846B (en) 2022-07-27
MX2021003325A (es) 2021-05-14
JP2024063128A (ja) 2024-05-10
ES2955040T3 (es) 2023-11-28
PL3840376T3 (pl) 2023-12-11
IL304953A (en) 2023-10-01
CN113225560B (zh) 2023-05-23
IL281622A (en) 2021-05-31
SG11202102788YA (en) 2021-04-29
EP3840376B1 (en) 2023-07-05
EP3840376A1 (en) 2021-06-23
BR112021004922A2 (pt) 2021-06-08
US20230421799A1 (en) 2023-12-28
IL281622B2 (en) 2024-01-01

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