PL3139609T3 - Sposób i urządzenie do wyboru mapy istotności oraz znacznika istotności grupy na podstawie bloku - Google Patents

Sposób i urządzenie do wyboru mapy istotności oraz znacznika istotności grupy na podstawie bloku

Info

Publication number
PL3139609T3
PL3139609T3 PL16195645T PL16195645T PL3139609T3 PL 3139609 T3 PL3139609 T3 PL 3139609T3 PL 16195645 T PL16195645 T PL 16195645T PL 16195645 T PL16195645 T PL 16195645T PL 3139609 T3 PL3139609 T3 PL 3139609T3
Authority
PL
Poland
Prior art keywords
significance
block
context selection
group flag
flag context
Prior art date
Application number
PL16195645T
Other languages
English (en)
Inventor
Chih-Wei Hsu
Tzu-Der Chuang
Ching-Yeh Chen
Yu-Wen Huang
Original Assignee
Hfi Innovation Inc.
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 Hfi Innovation Inc. filed Critical Hfi Innovation Inc.
Publication of PL3139609T3 publication Critical patent/PL3139609T3/pl

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
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • H04N19/647—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]
    • 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
    • H04N19/10—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL16195645T 2012-01-03 2012-11-22 Sposób i urządzenie do wyboru mapy istotności oraz znacznika istotności grupy na podstawie bloku PL3139609T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261582725P 2012-01-03 2012-01-03
EP16195645.3A EP3139609B1 (en) 2012-01-03 2012-11-22 Method and apparatus for block-based significance map and significance group flag context selection
PCT/CN2012/085034 WO2013102380A1 (en) 2012-01-03 2012-11-22 Method and apparatus for block-based significance map and significance group flag context selection
EP12864244.4A EP2745512B1 (en) 2012-01-03 2012-11-22 Method and apparatus for block-based significance map and significance group flag context selection

Publications (1)

Publication Number Publication Date
PL3139609T3 true PL3139609T3 (pl) 2021-09-20

Family

ID=48744982

Family Applications (1)

Application Number Title Priority Date Filing Date
PL16195645T PL3139609T3 (pl) 2012-01-03 2012-11-22 Sposób i urządzenie do wyboru mapy istotności oraz znacznika istotności grupy na podstawie bloku

Country Status (7)

Country Link
US (2) US10298956B2 (pl)
EP (2) EP3139609B1 (pl)
CN (2) CN104025600B (pl)
ES (1) ES2862124T3 (pl)
HU (1) HUE053382T2 (pl)
PL (1) PL3139609T3 (pl)
WO (1) WO2013102380A1 (pl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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US20130188698A1 (en) * 2012-01-19 2013-07-25 Qualcomm Incorporated Coefficient level 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
KR102250088B1 (ko) * 2013-10-24 2021-05-10 삼성전자주식회사 비디오 스트림을 복호화하는 방법 및 장치
TWI538487B (zh) 2013-12-05 2016-06-11 財團法人工業技術研究院 螢幕視訊之預測編碼的方法與系統
FR3023112A1 (fr) * 2014-06-27 2016-01-01 Bcom Procede de codage d'une image numerique, procede de decodage, dispositifs et programmes d'ordinateurs associes
US20180176582A1 (en) * 2016-12-21 2018-06-21 Qualcomm Incorporated Low-complexity sign prediction for video coding
EP4007277A1 (en) * 2017-03-16 2022-06-01 HFI Innovation Inc. Method and apparatus of enhanced multiple transforms and non-separable secondary transform for video coding
EP3490253A1 (en) 2017-11-23 2019-05-29 Thomson Licensing Encoding and decoding methods and corresponding devices
US12355996B2 (en) 2017-11-23 2025-07-08 Interdigital Vc Holdings, Inc. Encoding and decoding methods and corresponding devices
US20190208225A1 (en) * 2018-01-02 2019-07-04 Qualcomm Incorporated Sign prediction in video coding
WO2019190204A1 (ko) 2018-03-27 2019-10-03 주식회사 케이티 비디오 신호 처리 방법 및 장치
CN109831670B (zh) * 2019-02-26 2020-04-24 北京大学深圳研究生院 一种反量化方法、系统、设备及计算机可读介质

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6856701B2 (en) 2001-09-14 2005-02-15 Nokia Corporation Method and system for context-based adaptive binary arithmetic coding
CN1874509B (zh) * 2001-09-14 2014-01-15 诺基亚有限公司 基于上下文的自适应二进制算术编码的方法和系统
US8599925B2 (en) 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
CN101389021B (zh) * 2007-09-14 2010-12-22 华为技术有限公司 视频编解码方法及装置
BRPI0818444A2 (pt) * 2007-10-12 2016-10-11 Qualcomm Inc codificação adaptativa de informação de cabeçalho de bloco de vídeo
US7592937B1 (en) * 2008-06-02 2009-09-22 Mediatek Inc. CABAC decoding unit and method
PT3471416T (pt) * 2010-04-13 2020-10-19 Ge Video Compression Llc Codificação de mapas de significância e blocos de coeficientes de transformada
WO2011129672A2 (ko) 2010-04-16 2011-10-20 에스케이텔레콤 주식회사 영상 부호화/복호화 장치 및 방법
EP2569944A1 (en) * 2010-05-12 2013-03-20 Thomson Licensing Methods and apparatus for unified significance map coding
CN101938657B (zh) * 2010-10-07 2012-07-04 西安电子科技大学 高效视频编码中编码单元自适应划分方法
US9743098B2 (en) 2011-11-19 2017-08-22 Blackberry Limited Multi-level significance map scanning
EP2795901A1 (en) * 2011-12-20 2014-10-29 Motorola Mobility LLC Method and apparatus for efficient transform unit encoding
BR112013018850B1 (pt) 2011-12-21 2022-09-27 Sun Patent Trust Método e aparelho de decodificação de imagem, e método e aparelho de codificação de imagem

Also Published As

Publication number Publication date
CN108600761B (zh) 2020-05-08
EP2745512A1 (en) 2014-06-25
NZ622475A (en) 2016-02-26
WO2013102380A4 (en) 2014-03-13
HUE053382T2 (hu) 2021-06-28
EP3139609A1 (en) 2017-03-08
EP2745512B1 (en) 2019-10-23
US20150003514A1 (en) 2015-01-01
NZ713803A (en) 2016-02-26
US20170041637A1 (en) 2017-02-09
CN104025600A (zh) 2014-09-03
CN104025600B (zh) 2018-05-11
US10298956B2 (en) 2019-05-21
WO2013102380A1 (en) 2013-07-11
EP2745512A4 (en) 2015-10-14
CN108600761A (zh) 2018-09-28
EP3139609B1 (en) 2021-01-06
ES2862124T3 (es) 2021-10-07

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