BR112021017901A2 - Decodificador, codificador, métodos para decodificação e codificação, e fluxo de dados - Google Patents

Decodificador, codificador, métodos para decodificação e codificação, e fluxo de dados

Info

Publication number
BR112021017901A2
BR112021017901A2 BR112021017901A BR112021017901A BR112021017901A2 BR 112021017901 A2 BR112021017901 A2 BR 112021017901A2 BR 112021017901 A BR112021017901 A BR 112021017901A BR 112021017901 A BR112021017901 A BR 112021017901A BR 112021017901 A2 BR112021017901 A2 BR 112021017901A2
Authority
BR
Brazil
Prior art keywords
partition
decoder
transform
predetermined block
dimension
Prior art date
Application number
BR112021017901A
Other languages
English (en)
Portuguese (pt)
Inventor
Benjamin Bross
Detlev Marpe
Heiko Schwarz
Hoang Tung Nguyen Phan
De Luxán Hernández Santiago
Thomas Wiegand
Valeri George
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BR112021017901A2 publication Critical patent/BR112021017901A2/pt

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
    • H04N19/103—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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/134—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
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
    • H04N19/70—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)
BR112021017901A 2019-03-12 2020-03-11 Decodificador, codificador, métodos para decodificação e codificação, e fluxo de dados BR112021017901A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19162405 2019-03-12
PCT/EP2020/056489 WO2020182874A1 (en) 2019-03-12 2020-03-11 Implementation efficient partition-based intra coding concept

Publications (1)

Publication Number Publication Date
BR112021017901A2 true BR112021017901A2 (pt) 2021-12-07

Family

ID=65801935

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021017901A BR112021017901A2 (pt) 2019-03-12 2020-03-11 Decodificador, codificador, métodos para decodificação e codificação, e fluxo de dados

Country Status (9)

Country Link
US (2) US11973978B2 (https=)
EP (1) EP3939261A1 (https=)
JP (5) JP7328346B2 (https=)
KR (2) KR102898873B1 (https=)
CN (2) CN113711593B (https=)
BR (1) BR112021017901A2 (https=)
MX (2) MX2021010897A (https=)
TW (1) TWI758693B (https=)
WO (1) WO2020182874A1 (https=)

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CA3132980A1 (en) * 2019-03-11 2020-09-17 Vid Scale, Inc. Intra sub-partitions in video coding
MX2021016147A (es) * 2019-08-23 2022-05-18 Apple Inc Metodo de codificacion/decodificacion de se?al de imagen, y dispositivo para el mismo.
CN121771391A (zh) * 2019-09-17 2026-03-31 交互数字Vc控股公司 帧内子分区相关的帧内编码
WO2022108419A1 (ko) * 2020-11-23 2022-05-27 현대자동차주식회사 선택적 서브블록 분할정보 전송을 이용하는 영상 부호화 및 복호화 방법과 장치
CN114374847B (zh) * 2022-01-17 2024-06-25 海宁奕斯伟集成电路设计有限公司 图像压缩方法、装置、设备及计算机可读存储介质

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JP5620641B2 (ja) * 2005-10-21 2014-11-05 韓國電子通信研究院Ｅｌｅｃｔｒｏｎｉｃｓ ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ ＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅ 適応型走査を用いる動画の符号化／復号化装置及びその方法
KR102699111B1 (ko) * 2010-04-13 2024-08-27 지이 비디오 컴프레션, 엘엘씨 이미지들의 멀티-트리 서브-디비젼을 이용한 비디오 코딩
JP5656998B2 (ja) * 2010-07-15 2015-01-21 三菱電機株式会社 動画像復号装置及び動画像復号方法
MX369192B (es) * 2011-10-18 2019-10-31 Kt Corp Método para codificar imagen, método para decodificar imagen, codificador de imagen y decodificador de imagen.
US9807401B2 (en) * 2011-11-01 2017-10-31 Qualcomm Incorporated Transform unit partitioning for chroma components in video coding
WO2013068562A1 (en) * 2011-11-11 2013-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Effective wedgelet partition coding
IL292629B2 (en) 2012-01-20 2024-04-01 Ge Video Compression Llc Transform coefficient coding
KR20150063468A (ko) * 2012-09-24 2015-06-09 퀄컴 인코포레이티드 심도 맵 코딩
AU2013200051B2 (en) * 2013-01-04 2016-02-11 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking video data
US20140192862A1 (en) * 2013-01-07 2014-07-10 Research In Motion Limited Methods and systems for prediction filtering in video coding
US9813737B2 (en) * 2013-09-19 2017-11-07 Blackberry Limited Transposing a block of transform coefficients, based upon an intra-prediction mode
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TWI812414B (zh) * 2017-07-13 2023-08-11 美商松下電器（美國）知識產權公司 編碼裝置、解碼裝置及記錄媒體
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Also Published As

Publication number Publication date
MX2025008051A (es) 2025-08-01
CN113711593A (zh) 2021-11-26
JP2023145703A (ja) 2023-10-11
JP7328346B2 (ja) 2023-08-16
US20210409765A1 (en) 2021-12-30
CN119484810A (zh) 2025-02-18
US20240251101A1 (en) 2024-07-25
KR20210135314A (ko) 2021-11-12
CN113711593B (zh) 2024-08-23
JP7802990B2 (ja) 2026-01-20
JP7513813B2 (ja) 2024-07-09
JP2024125380A (ja) 2024-09-18
MX2021010897A (es) 2021-11-12
US11973978B2 (en) 2024-04-30
KR20250173596A (ko) 2025-12-10
TWI758693B (zh) 2022-03-21
JP2022524815A (ja) 2022-05-10
TW202042555A (zh) 2020-11-16
WO2020182874A1 (en) 2020-09-17
JP2025106574A (ja) 2025-07-15
KR102898873B1 (ko) 2025-12-11
EP3939261A1 (en) 2022-01-19
JP7670913B2 (ja) 2025-04-30
JP2026062964A (ja) 2026-04-10

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