IN2015DN01842A - - Google Patents

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Publication number
IN2015DN01842A
IN2015DN01842A IN1842DEN2015A IN2015DN01842A IN 2015DN01842 A IN2015DN01842 A IN 2015DN01842A IN 1842DEN2015 A IN1842DEN2015 A IN 1842DEN2015A IN 2015DN01842 A IN2015DN01842 A IN 2015DN01842A
Authority
IN
India
Prior art keywords
methods
transform
transform coefficients
skipped
hevc
Prior art date
Application number
Other languages
English (en)
Inventor
Jacob Ström
Kenneth Andersson
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 IN2015DN01842A publication Critical patent/IN2015DN01842A/en

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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
    • H04N19/60—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
    • H04N19/10—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/21—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE]
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/547—Motion estimation performed in a transform domain
    • 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
    • H04N19/60—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
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • 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
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]

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)
IN1842DEN2015 2012-10-01 2013-09-30 IN2015DN01842A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261708212P 2012-10-01 2012-10-01
PCT/EP2013/070311 WO2014053428A1 (en) 2012-10-01 2013-09-30 Coding and decoding of transform skipped blocks

Publications (1)

Publication Number Publication Date
IN2015DN01842A true IN2015DN01842A (enrdf_load_stackoverflow) 2015-05-29

Family

ID=49263317

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1842DEN2015 IN2015DN01842A (enrdf_load_stackoverflow) 2012-10-01 2013-09-30

Country Status (4)

Country Link
US (2) US9591315B2 (enrdf_load_stackoverflow)
EP (1) EP2904781B1 (enrdf_load_stackoverflow)
IN (1) IN2015DN01842A (enrdf_load_stackoverflow)
WO (1) WO2014053428A1 (enrdf_load_stackoverflow)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015106747A (ja) * 2013-11-28 2015-06-08 富士通株式会社 動画像符号化装置、動画像符号化方法及び動画像符号化用コンピュータプログラム
AU2017264000A1 (en) * 2016-05-13 2018-11-22 Sony Corporation Image processing device and method
CN109417636B (zh) * 2016-06-24 2022-04-01 韩国电子通信研究院 用于基于变换的图像编码/解码的方法和设备
CN115474043A (zh) * 2017-07-31 2022-12-13 韩国电子通信研究院 对图像编码和解码的方法及存储比特流的计算机可读介质
CN116600143A (zh) 2018-03-27 2023-08-15 株式会社Kt 对图像进行解码或编码的方法以及图像数据的传送方法
EP4521752A3 (en) * 2018-03-29 2025-06-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Transform coefficient block coding
EP3562156A1 (en) * 2018-04-27 2019-10-30 InterDigital VC Holdings, Inc. Method and apparatus for adaptive context modeling in video encoding and decoding
US10645396B2 (en) * 2018-06-04 2020-05-05 Tencent America LLC Method and apparatus for implicit transform splitting
WO2020060867A1 (en) 2018-09-21 2020-03-26 Interdigital Vc Holdings, Inc. Scalar quantizer decision scheme for dependent scalar quantization
US11006150B2 (en) * 2018-09-24 2021-05-11 Tencent America LLC Method and apparatus for video coding
US11470319B2 (en) 2018-10-05 2022-10-11 Lg Electronics Inc. Method and device for coding transform coefficient
US11470329B2 (en) * 2018-12-26 2022-10-11 Tencent America LLC Method and apparatus for video coding
JP7257535B2 (ja) * 2019-02-24 2023-04-13 テンセント・アメリカ・エルエルシー 変換スキップモードとブロック差分パルスコード変調の改善された残差コーディング
US11202100B2 (en) * 2019-03-11 2021-12-14 Qualcomm Incorporated Coefficient coding for transform skip mode
US11303898B2 (en) * 2019-04-03 2022-04-12 Mediatek Inc. Coding transform coefficients with throughput constraints
JP7682108B2 (ja) * 2019-06-24 2025-05-23 アリババ グループ ホウルディング リミテッド ビデオデータの変換スキップ残差符号化
US12316841B2 (en) 2019-11-13 2025-05-27 Lg Electronics Inc. Transform-based image coding method and device therefor
US12267528B2 (en) * 2020-02-25 2025-04-01 Lg Electronics Inc. Image decoding method related to residual coding, and device therefor
CN115299063A (zh) 2020-02-27 2022-11-04 抖音视界有限公司 变换跳过残差编解码
CN118540502A (zh) * 2020-02-27 2024-08-23 Lg电子株式会社 图像解码方法、图像编码方法、存储介质和数据发送方法
EP4140133A4 (en) 2020-05-27 2023-08-23 ByteDance Inc. USE OF SUBFRAMES AND TILES IN VIDEO ENCODING
CN120358363A (zh) 2021-04-12 2025-07-22 Oppo广东移动通信有限公司 系数编解码方法、编码器、解码器以及计算机存储介质
JP7729920B2 (ja) 2021-06-29 2025-08-26 オッポ広東移動通信有限公司 コーデック方法、コードストリーム、符号化装置、復号化装置及びコンピュータ記憶媒体
US11876990B2 (en) 2021-07-13 2024-01-16 Mediatek Inc. Video residual decoding apparatus using storage device to store side information and/or state information for syntax element decoding optimization and associated method

Also Published As

Publication number Publication date
US20150281706A1 (en) 2015-10-01
WO2014053428A1 (en) 2014-04-10
US9591315B2 (en) 2017-03-07
US9794591B2 (en) 2017-10-17
EP2904781A1 (en) 2015-08-12
US20170134751A1 (en) 2017-05-11
EP2904781B1 (en) 2019-03-20

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