SG11202112656UA - Encoder, decoder, encoding method, and decoding method - Google Patents

Encoder, decoder, encoding method, and decoding method

Info

Publication number
SG11202112656UA
SG11202112656UA SG11202112656UA SG11202112656UA SG11202112656UA SG 11202112656U A SG11202112656U A SG 11202112656UA SG 11202112656U A SG11202112656U A SG 11202112656UA SG 11202112656U A SG11202112656U A SG 11202112656UA SG 11202112656U A SG11202112656U A SG 11202112656UA
Authority
SG
Singapore
Prior art keywords
decoder
encoder
decoding
encoding
encoding method
Prior art date
Application number
SG11202112656UA
Inventor
Tadamasa Toma
Takahiro Nishi
Kiyofumi Abe
Yusuke Kato
Original Assignee
Panasonic Ip Corp America
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 Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Publication of SG11202112656UA publication Critical patent/SG11202112656UA/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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/12—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
    • H04N19/10—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction

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)
SG11202112656UA 2019-06-21 2020-06-15 Encoder, decoder, encoding method, and decoding method SG11202112656UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962864728P 2019-06-21 2019-06-21
PCT/JP2020/023329 WO2020255903A1 (en) 2019-06-21 2020-06-15 Coding device, decoding device, coding method, and decoding method

Publications (1)

Publication Number Publication Date
SG11202112656UA true SG11202112656UA (en) 2021-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202112656UA SG11202112656UA (en) 2019-06-21 2020-06-15 Encoder, decoder, encoding method, and decoding method

Country Status (11)

Country Link
US (3) US11095883B2 (en)
EP (1) EP3989575A4 (en)
KR (1) KR20220022486A (en)
CN (1) CN114128293A (en)
AU (1) AU2020298425A1 (en)
BR (1) BR112021017765A2 (en)
CA (1) CA3140379A1 (en)
MX (1) MX2021012502A (en)
SG (1) SG11202112656UA (en)
TW (1) TW202106002A (en)
WO (1) WO2020255903A1 (en)

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CN111083484B (en) 2018-10-22 2024-06-28 北京字节跳动网络技术有限公司 Sub-block based prediction
CN111083489B (en) 2018-10-22 2024-05-14 北京字节跳动网络技术有限公司 Multiple iteration motion vector refinement
WO2020098644A1 (en) 2018-11-12 2020-05-22 Beijing Bytedance Network Technology Co., Ltd. Bandwidth control methods for inter prediction
CN113170093B (en) 2018-11-20 2023-05-02 北京字节跳动网络技术有限公司 Refined inter prediction in video processing
JP7241870B2 (en) 2018-11-20 2023-03-17 北京字節跳動網絡技術有限公司 Difference calculation based on partial position
WO2020121879A1 (en) 2018-12-10 2020-06-18 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 Encoding device, decoding device, encoding method, and decoding method
KR102635518B1 (en) 2019-03-06 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Use of converted single prediction candidates
EP3922014A4 (en) * 2019-04-02 2022-04-06 Beijing Bytedance Network Technology Co., Ltd. Decoder side motion vector derivation

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US9319708B2 (en) * 2006-06-16 2016-04-19 Via Technologies, Inc. Systems and methods of improved motion estimation using a graphics processing unit
GB2443858A (en) * 2006-11-14 2008-05-21 Sony Uk Ltd Alias avoiding image processing using directional pixel block correlation and predetermined pixel value criteria
CN101271579B (en) * 2008-04-10 2010-06-16 清华大学 Method for modeling high-speed moving object adopting ring shaped low frame rate camera array
KR20110015356A (en) 2009-08-07 2011-02-15 한국전자통신연구원 Video encoding and decoding apparatus and method using adaptive transform and quantization domain that based on a differential image signal characteristic
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Also Published As

Publication number Publication date
AU2020298425A2 (en) 2022-01-06
US12063358B2 (en) 2024-08-13
TW202106002A (en) 2021-02-01
JPWO2020255903A1 (en) 2020-12-24
AU2020298425A1 (en) 2021-12-23
EP3989575A1 (en) 2022-04-27
KR20220022486A (en) 2022-02-25
US20210168357A1 (en) 2021-06-03
CN114128293A (en) 2022-03-01
MX2021012502A (en) 2021-11-12
US20230283771A1 (en) 2023-09-07
EP3989575A4 (en) 2022-09-14
WO2020255903A1 (en) 2020-12-24
US11095883B2 (en) 2021-08-17
US11689714B2 (en) 2023-06-27
CA3140379A1 (en) 2020-12-24
US20210337185A1 (en) 2021-10-28
BR112021017765A2 (en) 2022-04-26

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