IN2015DN01842A - - Google Patents

Download PDF

Info

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

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
    • H04N19/60—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 (enEXAMPLES)

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 (enEXAMPLES) 2015-05-29

Family

ID=49263317

Family Applications (1)

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

Country Status (4)

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

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
KR102393150B1 (ko) * 2016-05-13 2022-05-02 소니그룹주식회사 화상 처리 장치 및 방법
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
KR102450506B1 (ko) * 2017-07-31 2022-10-05 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN116600141B (zh) 2018-03-27 2025-09-23 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
EP3777156B1 (en) * 2018-03-29 2025-03-05 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
JP7520809B2 (ja) * 2018-09-21 2024-07-23 インターデジタル ヴイシー ホールディングス， インコーポレイテッド スカラー量子化従属性のためのスカラー量子化器決定スキーム
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
EP3769533B1 (en) * 2019-02-24 2025-04-02 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
WO2020263442A1 (en) * 2019-06-24 2020-12-30 Alibaba Group Holding Limited Transform-skip residual coding of video data
BR112022009295A2 (pt) * 2019-11-13 2022-08-09 Lg Electronics Inc Método de codificação de imagem baseado em transformada e dispositivo para o mesmo
CN118945380A (zh) * 2020-02-25 2024-11-12 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
MX2022010416A (es) * 2020-02-27 2022-10-03 Lg Electronics Inc Metodo y aparato para la decodificacion de imagenes relacionadas con la ocultacion de datos de se?al.
CN115668926A (zh) 2020-05-27 2023-01-31 字节跳动有限公司 在视频编解码中使用子图片和片
JP7642097B2 (ja) 2021-04-12 2025-03-07 オッポ広東移動通信有限公司 係数符号化・復号化方法、符号器、復号器及びコンピュータ記憶媒体
MX2023014685A (es) 2021-06-29 2024-01-12 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de codificacion y decodificacion, flujo de bits, codificador, decodificador y medio de almacenamiento informatico.
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
US9794591B2 (en) 2017-10-17
US20170134751A1 (en) 2017-05-11
US9591315B2 (en) 2017-03-07
EP2904781A1 (en) 2015-08-12
EP2904781B1 (en) 2019-03-20
US20150281706A1 (en) 2015-10-01
WO2014053428A1 (en) 2014-04-10

Similar Documents

Publication Publication Date Title
IN2015DN01842A (enEXAMPLES)
PH12014502144A1 (en) Transform coefficient coding
MX2016011589A (es) Codificacion adaptable de bloques por conversion de espacio de color.
PH12013500062B1 (en) Method and apparatus for entropy encoding/decoding a transform coefficient
IN2014MN02044A (enEXAMPLES)
PH12017501431B1 (en) Method and apparatus for palette predictor initialization for palette coding in video and image compression
PH12015500413A1 (en) Decoding and encoding of pictures of a video sequence
PH12014500136B1 (en) Signaling picture size in video coding
EP3598751A3 (en) Methods and devices for emulating low-fidelity coding in a high-fidelity coder
PH12014501923A1 (en) Motion vector coding and bi-prediction in hevc and its extensions
WO2015035449A8 (en) Method, apparatus and system for encoding and decoding video data
MX347422B (es) Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
GB2521495B (en) Method and apparatus for transition encoding in video coding and decoding
GB2521411B (en) Method and apparatus for syntax element encoding in video coding and decoding
MX2016013225A (es) Sistema y metodo para seleccionar un parametro de cuantificacion (qp) en compresion de flujo de visualizacion (dsc).
MX2014015867A (es) Metodo de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de codificacion de imagenes, aparato de decodificacion de imagenes, aparato de codificacion y decodificacion de imagenes.
SG11202109076QA (en) Entropy coding for video encoding and decoding
SE1730236A1 (en) Compression of segmented video