CL2021001135A1 - Método para codificación / decodifcación de señales de video y aparato para lo mismo - Google Patents

Método para codificación / decodifcación de señales de video y aparato para lo mismo

Info

Publication number
CL2021001135A1
CL2021001135A1 CL2021001135A CL2021001135A CL2021001135A1 CL 2021001135 A1 CL2021001135 A1 CL 2021001135A1 CL 2021001135 A CL2021001135 A CL 2021001135A CL 2021001135 A CL2021001135 A CL 2021001135A CL 2021001135 A1 CL2021001135 A1 CL 2021001135A1
Authority
CL
Chile
Prior art keywords
current block
decoding
encoding
video signals
apparatus therefor
Prior art date
Application number
CL2021001135A
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 CL2021001135A1 publication Critical patent/CL2021001135A1/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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/169—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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal 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
    • H04N19/50—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
    • H04N19/503—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Un método de decodificación de video que incluye los pasos de: generar una lista de candidatos de combinación para un bloque actual; determinar un candidato de combinación para el bloque actual entre los candidatos de combinación incluidos en la lista de candidatos de combinación; derivar un vector de desplazamiento para el bloque actual; y derivar un vector de movimiento para el bloque actual agregando el vector de desplazamiento a un vector de movimiento del candidato de combinación.
CL2021001135A 2018-11-08 2021-04-29 Método para codificación / decodifcación de señales de video y aparato para lo mismo CL2021001135A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20180136261 2018-11-08

Publications (1)

Publication Number Publication Date
CL2021001135A1 true CL2021001135A1 (es) 2021-11-12

Family

ID=70612147

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021001135A CL2021001135A1 (es) 2018-11-08 2021-04-29 Método para codificación / decodifcación de señales de video y aparato para lo mismo

Country Status (15)

Country Link
US (4) US11330290B2 (es)
EP (2) EP3873092A4 (es)
JP (2) JP7391958B2 (es)
KR (1) KR20200054110A (es)
CN (2) CN113691807B (es)
AU (1) AU2019374663B2 (es)
BR (1) BR112021008091A2 (es)
CA (1) CA3118882C (es)
CL (1) CL2021001135A1 (es)
IL (1) IL282787A (es)
MX (1) MX2021005149A (es)
PH (1) PH12021551032A1 (es)
SG (1) SG11202104427RA (es)
WO (1) WO2020096425A1 (es)
ZA (1) ZA202103323B (es)

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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
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
CN113727119B (zh) * 2020-05-20 2023-03-17 Oppo广东移动通信有限公司 帧间预测方法、编码器、解码器以及计算机存储介质

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Also Published As

Publication number Publication date
WO2020096425A1 (ko) 2020-05-14
US11575932B2 (en) 2023-02-07
PH12021551032A1 (en) 2021-11-22
US20220232245A1 (en) 2022-07-21
EP3873092A4 (en) 2021-11-10
CN113302921A (zh) 2021-08-24
BR112021008091A2 (pt) 2021-08-03
CN113691807A (zh) 2021-11-23
US11812051B2 (en) 2023-11-07
US20220232246A1 (en) 2022-07-21
KR20200054110A (ko) 2020-05-19
JP7391958B2 (ja) 2023-12-05
US20230412834A1 (en) 2023-12-21
CN113691807B (zh) 2023-05-09
IL282787A (en) 2021-06-30
AU2019374663A1 (en) 2021-06-03
US11330290B2 (en) 2022-05-10
ZA202103323B (en) 2022-07-27
EP3873092A1 (en) 2021-09-01
US20210314599A1 (en) 2021-10-07
JP2022506429A (ja) 2022-01-17
JP2024020503A (ja) 2024-02-14
CA3118882C (en) 2023-09-26
SG11202104427RA (en) 2021-05-28
MX2021005149A (es) 2021-11-12
AU2019374663B2 (en) 2023-02-09
CA3118882A1 (en) 2020-05-14
EP4373082A1 (en) 2024-05-22

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