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 (enExample)

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 (enExample) 2015-05-29

Family

ID=49263317

Family Applications (1)

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

Country Status (4)

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

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
MX2018013462A (es) * 2016-05-13 2019-03-28 Sony Corp Aparato y metodo de procesamiento de imagenes.
CN114422796B (zh) * 2016-06-24 2025-05-02 韩国电子通信研究院 用于对视频进行编码/解码的方法
JP7198268B2 (ja) * 2017-07-31 2022-12-28 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュート 画像復号化方法、画像符号化方法及びコンピュータ可読記録媒体
CN116600143B (zh) * 2018-03-27 2025-10-28 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
KR20240023238A (ko) * 2018-03-29 2024-02-20 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 계수 블록 코딩
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
CN119094784A (zh) 2018-09-21 2024-12-06 交互数字Vc控股公司 用于依赖性标量量化的标量量化器决策方案
US11006150B2 (en) * 2018-09-24 2021-05-11 Tencent America LLC Method and apparatus for video coding
CN117979012A (zh) 2018-10-05 2024-05-03 Lg电子株式会社 图像解码和编码方法以及存储介质
US11470329B2 (en) * 2018-12-26 2022-10-11 Tencent America LLC Method and apparatus for video coding
WO2020172668A1 (en) * 2019-02-24 2020-08-27 Tencent America LLC Improved residual coding for transform skip mode and block differential pulse-code modulation
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
CN119946308B (zh) * 2019-06-24 2025-09-12 阿里巴巴（中国）有限公司 一种视频数据的编解码方法、编解码器及计算机可读存储介质
MX2022005694A (es) * 2019-11-13 2022-07-19 Lg Electronics Inc Metodo de codificacion de imagenes a base de transformacion y dispositivo para el mismo.
CN119011872A (zh) * 2020-02-25 2024-11-22 Lg电子株式会社 图像编码/解码设备及发送数据的设备
WO2021170058A1 (en) * 2020-02-27 2021-09-02 Beijing Bytedance Network Technology Co., Ltd. Transform skip residual coding
EP4114006A4 (en) * 2020-02-27 2024-02-28 LG Electronics, Inc. METHOD AND APPARATUS FOR DECODING IMAGING IN CONNECTION WITH CHARACTER DATA MASKING
JP7524355B2 (ja) 2020-05-27 2024-07-29 バイトダンス インコーポレイテッド ビデオコーディングでのサブピクチャ及びタイルの使用
CN117319687B (zh) 2021-04-12 2025-08-01 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
EP4395319A4 (en) 2021-06-29 2025-05-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Encoding and decoding method, bitstream, encoder, decoder, and computer storage medium
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
EP2904781B1 (en) 2019-03-20
EP2904781A1 (en) 2015-08-12
US9591315B2 (en) 2017-03-07
US9794591B2 (en) 2017-10-17
US20170134751A1 (en) 2017-05-11
US20150281706A1 (en) 2015-10-01
WO2014053428A1 (en) 2014-04-10

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