CO2021009769A2 - Metodo y aparato de seleccion para la aplicacion de transformada en un codificador y decodificador - Google Patents

Metodo y aparato de seleccion para la aplicacion de transformada en un codificador y decodificador

Info

Publication number
CO2021009769A2
CO2021009769A2 CONC2021/0009769A CO2021009769A CO2021009769A2 CO 2021009769 A2 CO2021009769 A2 CO 2021009769A2 CO 2021009769 A CO2021009769 A CO 2021009769A CO 2021009769 A2 CO2021009769 A2 CO 2021009769A2
Authority
CO
Colombia
Prior art keywords
decoder
encoder
selection method
applying transform
transform
Prior art date
Application number
CONC2021/0009769A
Other languages
English (en)
Inventor
Christopher Hollmann
Jacob Ström
Per Wennersten
Davood Saffar
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CO2021009769A2 publication Critical patent/CO2021009769A2/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
    • H04N19/102—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
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/46—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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Se proporcionan mecanismos para métodos y aparatos para la selección de transformadas en la codificación y decodificación.
CONC2021/0009769A 2018-12-28 2021-07-26 Metodo y aparato de seleccion para la aplicacion de transformada en un codificador y decodificador CO2021009769A2 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862785856P 2018-12-28 2018-12-28
PCT/SE2019/051206 WO2020139182A1 (en) 2018-12-28 2019-11-28 Method and apparatus for selecting transform selection in an encoder and decoder

Publications (1)

Publication Number Publication Date
CO2021009769A2 true CO2021009769A2 (es) 2021-08-09

Family

ID=71129247

Family Applications (1)

Application Number Title Priority Date Filing Date
CONC2021/0009769A CO2021009769A2 (es) 2018-12-28 2021-07-26 Metodo y aparato de seleccion para la aplicacion de transformada en un codificador y decodificador

Country Status (9)

Country Link
US (4) US11082692B2 (es)
EP (1) EP3903487A4 (es)
JP (1) JP7257523B2 (es)
KR (1) KR20210104895A (es)
CN (1) CN113302923B (es)
CO (1) CO2021009769A2 (es)
MX (1) MX2021007633A (es)
RU (1) RU2767513C1 (es)
WO (1) WO2020139182A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102672759B1 (ko) * 2017-09-28 2024-06-05 삼성전자주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
WO2020006304A1 (en) 2018-06-29 2020-01-02 Vid Scale, Inc. Adaptive control point selection for affine motion model based video coding
JP7302037B2 (ja) 2019-06-19 2023-07-03 エルジー エレクトロニクス インコーポレイティド 画像コーディングにおいて変換カーネルセットを表す情報のシグナリング

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010143853A2 (ko) 2009-06-07 2010-12-16 엘지전자 주식회사 비디오 신호의 디코딩 방법 및 장치
KR101753273B1 (ko) * 2010-03-10 2017-07-03 톰슨 라이센싱 변환 선택을 갖는 비디오 코딩 및 디코딩을 위한 제약 변환 방법 및 장치
KR101702822B1 (ko) 2010-04-01 2017-02-06 소니 주식회사 화상 처리 장치 및 방법
US9042440B2 (en) 2010-12-03 2015-05-26 Qualcomm Incorporated Coding the position of a last significant coefficient within a video block based on a scanning order for the block in video coding
US8976861B2 (en) 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US20120163448A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Coding the position of a last significant coefficient of a video block in video coding
US20120163472A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Efficiently coding scanning order information for a video block in video coding
CA2842646C (en) * 2011-06-27 2018-09-04 Panasonic Corporation Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
US9210438B2 (en) * 2012-01-20 2015-12-08 Sony Corporation Logical intra mode naming in HEVC video coding
US9866829B2 (en) * 2012-01-22 2018-01-09 Qualcomm Incorporated Coding of syntax elements that correspond to coefficients of a coefficient block in video coding
US9621921B2 (en) * 2012-04-16 2017-04-11 Qualcomm Incorporated Coefficient groups and coefficient coding for coefficient scans
US10257520B2 (en) 2012-06-26 2019-04-09 Velos Media, Llc Modified coding for transform skipping
WO2015194915A1 (ko) * 2014-06-20 2015-12-23 삼성전자 주식회사 인터 레이어 비디오 부복호화를 위한 깊이 영상의 예측 모드 전송 방법 및 장치
US10306229B2 (en) * 2015-01-26 2019-05-28 Qualcomm Incorporated Enhanced multiple transforms for prediction residual
US20180035123A1 (en) 2015-02-25 2018-02-01 Telefonaktiebolaget Lm Ericsson (Publ) Encoding and Decoding of Inter Pictures in a Video
KR20230130772A (ko) * 2016-02-12 2023-09-12 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
US10972733B2 (en) * 2016-07-15 2021-04-06 Qualcomm Incorporated Look-up table for enhanced multiple transform
WO2018128222A1 (ko) * 2017-01-03 2018-07-12 엘지전자 주식회사 영상 코딩 시스템에서 영상 디코딩 방법 및 장치
US11146795B2 (en) 2017-03-10 2021-10-12 Qualcomm Incorporated Intra filtering flag in video coding
US10750181B2 (en) * 2017-05-11 2020-08-18 Mediatek Inc. Method and apparatus of adaptive multiple transforms for video coding
US10805641B2 (en) 2017-06-15 2020-10-13 Qualcomm Incorporated Intra filtering applied together with transform processing in video coding
US11134272B2 (en) * 2017-06-29 2021-09-28 Qualcomm Incorporated Memory reduction for non-separable transforms
EP4415366A2 (en) 2017-08-03 2024-08-14 Sharp Kabushiki Kaisha Systems and methods for partitioning video blocks in an inter prediction slice of video data
JP6863208B2 (ja) * 2017-09-29 2021-04-21 株式会社ニューフレアテクノロジー マルチ荷電粒子ビーム描画装置及びマルチ荷電粒子ビーム描画方法
US10491914B2 (en) * 2018-03-29 2019-11-26 Tencent America LLC Transform information prediction
EP3804315A4 (en) * 2018-05-31 2022-03-09 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR PARTITIONING VIDEO BLOCKS INTO A SLOT FOR INTERPRETING VIDEO DATA
PL3723373T3 (pl) * 2018-09-02 2023-11-06 Lg Electronics Inc. Sposób dekodowania sygnału obrazu, sposób kodowania sygnału obrazu i nośnik danych
KR102534160B1 (ko) * 2018-09-02 2023-05-26 엘지전자 주식회사 다중 변환 선택에 기반한 영상 코딩 방법 및 그 장치
US10819979B2 (en) * 2018-09-06 2020-10-27 Tencent America LLC Coupled primary and secondary transform

Also Published As

Publication number Publication date
EP3903487A4 (en) 2022-09-21
US20230109113A1 (en) 2023-04-06
US20240275969A1 (en) 2024-08-15
MX2021007633A (es) 2021-08-11
US11558613B2 (en) 2023-01-17
CN113302923B (zh) 2024-04-02
RU2767513C1 (ru) 2022-03-17
US20210136376A1 (en) 2021-05-06
CN113302923A (zh) 2021-08-24
JP7257523B2 (ja) 2023-04-13
US11991359B2 (en) 2024-05-21
WO2020139182A1 (en) 2020-07-02
EP3903487A1 (en) 2021-11-03
US20210329243A1 (en) 2021-10-21
US11082692B2 (en) 2021-08-03
JP2022516497A (ja) 2022-02-28
KR20210104895A (ko) 2021-08-25

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