IN2014MN01592A - - Google Patents

Info

Publication number
IN2014MN01592A
IN2014MN01592A IN1592MUN2014A IN2014MN01592A IN 2014MN01592 A IN2014MN01592 A IN 2014MN01592A IN 1592MUN2014 A IN1592MUN2014 A IN 1592MUN2014A IN 2014MN01592 A IN2014MN01592 A IN 2014MN01592A
Authority
IN
India
Prior art keywords
context
coefficients based
transform coefficients
derivation neighborhood
transform
Prior art date
Application number
Other languages
English (en)
Inventor
Rojals Joel Sole
Rajan Laxman Joshi
Wei Jung Chien
Vadim Seregin
Jianle Chen
Marta Karczewicz
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IN2014MN01592A publication Critical patent/IN2014MN01592A/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
    • H04N19/10—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
    • 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
    • H04N19/503—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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
IN1592MUN2014 2012-03-02 2013-03-01 IN2014MN01592A (th)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261606356P 2012-03-02 2012-03-02
US13/780,846 US9363510B2 (en) 2012-03-02 2013-02-28 Scan-based sliding window in context derivation for transform coefficient coding
PCT/US2013/028588 WO2013130952A1 (en) 2012-03-02 2013-03-01 Scan-based sliding window in context derivation for transform coefficient coding

Publications (1)

Publication Number Publication Date
IN2014MN01592A true IN2014MN01592A (th) 2015-05-08

Family

ID=49042826

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1592MUN2014 IN2014MN01592A (th) 2012-03-02 2013-03-01

Country Status (7)

Country Link
US (1) US9363510B2 (th)
EP (1) EP2820845B1 (th)
JP (1) JP6081499B2 (th)
KR (1) KR101708540B1 (th)
CN (1) CN104137542B (th)
IN (1) IN2014MN01592A (th)
WO (1) WO2013130952A1 (th)

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US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
CN103096049A (zh) * 2011-11-02 2013-05-08 华为技术有限公司 一种视频处理方法及系统、相关设备
WO2013070974A2 (en) 2011-11-08 2013-05-16 General Instrument Corporation Method of determining binary codewords for transform coefficients
CN105027560A (zh) 2012-01-21 2015-11-04 摩托罗拉移动有限责任公司 确定用于变换系数的二进制码字的方法
WO2013116849A1 (en) 2012-02-04 2013-08-08 General Instrument Corporation Devices and methods for context reduction in last significant coefficient position coding
US20140003488A1 (en) * 2012-06-30 2014-01-02 Research In Motion Limited Position-based context selection for greater-than-one flag decoding and encoding
US9224187B2 (en) 2013-09-27 2015-12-29 Apple Inc. Wavefront order to scan order synchronization
US9336558B2 (en) 2013-09-27 2016-05-10 Apple Inc. Wavefront encoding with parallel bit stream encoding
KR102257379B1 (ko) * 2014-07-22 2021-06-01 삼성전자주식회사 비디오 인코딩 회로 및 그것을 이용하는 비디오 인코딩 방법
US9781424B2 (en) * 2015-01-19 2017-10-03 Google Inc. Efficient context handling in arithmetic coding
US10574993B2 (en) * 2015-05-29 2020-02-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
US10939104B2 (en) * 2015-10-13 2021-03-02 Samsung Electronics Co., Ltd. Method and device for encoding or decoding image
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
US10554988B2 (en) 2017-03-22 2020-02-04 Qualcomm Incorporated Binary arithmetic coding with parameterized probability estimation finite state machines
US10630974B2 (en) * 2017-05-30 2020-04-21 Google Llc Coding of intra-prediction modes
US10791341B2 (en) 2017-10-10 2020-09-29 Qualcomm Incorporated Binary arithmetic coding with progressive modification of adaptation parameters
US10484695B2 (en) 2017-10-23 2019-11-19 Google Llc Refined entropy coding for level maps
CN114449277B (zh) * 2017-12-08 2024-06-07 谷歌有限责任公司 用于系数代码化的上下文推导的方法和设备
US10609421B2 (en) 2018-07-12 2020-03-31 Google Llc Context derivation for coefficient coding
US10547869B2 (en) * 2017-12-08 2020-01-28 Google Llc Template-based entropy coding of quantized transform coefficients
US10869060B2 (en) * 2018-01-30 2020-12-15 Google Llc Efficient context model computation design in transform coefficient coding
US10298895B1 (en) * 2018-02-15 2019-05-21 Wipro Limited Method and system for performing context-based transformation of a video
US10645381B2 (en) 2018-04-30 2020-05-05 Google Llc Intra-prediction for smooth blocks in image/video
US11113846B2 (en) 2018-08-31 2021-09-07 Hulu, LLC Coefficient context modeling in video coding
WO2020228762A1 (en) * 2019-05-14 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Context modeling for residual coding
CN112449184B (zh) * 2019-08-28 2022-01-25 腾讯科技（深圳）有限公司 变换系数优化方法、编解码方法、装置、介质及电子设备
CN115987294B (zh) * 2023-03-17 2023-07-25 北京悦知未来科技有限公司 一种物联网的多维数据处理方法

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KR100303085B1 (ko) * 1998-04-24 2001-09-24 전주범 이진형상신호부호화장치및방법
US7379608B2 (en) * 2003-12-04 2008-05-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Arithmetic coding for transforming video and picture data units
US8311119B2 (en) * 2004-12-31 2012-11-13 Microsoft Corporation Adaptive coefficient scan order
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8488668B2 (en) * 2007-06-15 2013-07-16 Qualcomm Incorporated Adaptive coefficient scanning for video coding
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US10390046B2 (en) 2011-11-07 2019-08-20 Qualcomm Incorporated Coding significant coefficient information in transform skip mode

Also Published As

Publication number Publication date
JP6081499B2 (ja) 2017-02-15
JP2015512222A (ja) 2015-04-23
KR101708540B1 (ko) 2017-02-20
EP2820845B1 (en) 2018-08-08
CN104137542A (zh) 2014-11-05
EP2820845A1 (en) 2015-01-07
CN104137542B (zh) 2017-12-05
US20130230097A1 (en) 2013-09-05
US9363510B2 (en) 2016-06-07
WO2013130952A1 (en) 2013-09-06
KR20140139519A (ko) 2014-12-05

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