SG11202105292RA - Escape coding for coefficient levels - Google Patents

Escape coding for coefficient levels

Info

Publication number
SG11202105292RA
SG11202105292RA SG11202105292RA SG11202105292RA SG11202105292RA SG 11202105292R A SG11202105292R A SG 11202105292RA SG 11202105292R A SG11202105292R A SG 11202105292RA SG 11202105292R A SG11202105292R A SG 11202105292RA SG 11202105292R A SG11202105292R A SG 11202105292RA
Authority
SG
Singapore
Prior art keywords
coefficient levels
escape coding
escape
coding
coefficient
Prior art date
Application number
SG11202105292RA
Other languages
English (en)
Inventor
Muhammed Zeyd Coban
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 SG11202105292RA publication Critical patent/SG11202105292RA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031Fixed length to variable length coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202105292RA 2019-01-02 2020-01-02 Escape coding for coefficient levels SG11202105292RA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962787707P 2019-01-02 2019-01-02
US16/732,008 US11477486B2 (en) 2019-01-02 2019-12-31 Escape coding for coefficient levels
PCT/US2020/012054 WO2020142608A1 (en) 2019-01-02 2020-01-02 Escape coding for coefficient levels

Publications (1)

Publication Number Publication Date
SG11202105292RA true SG11202105292RA (en) 2021-07-29

Family

ID=71123535

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202105292RA SG11202105292RA (en) 2019-01-02 2020-01-02 Escape coding for coefficient levels

Country Status (9)

Country Link
US (2) US11477486B2 (https=)
EP (1) EP3906679A1 (https=)
JP (1) JP7509784B2 (https=)
KR (1) KR20210107018A (https=)
CN (1) CN113228654B (https=)
BR (1) BR112021011060A2 (https=)
SG (1) SG11202105292RA (https=)
TW (1) TWI856996B (https=)
WO (1) WO2020142608A1 (https=)

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US11477486B2 (en) 2019-01-02 2022-10-18 Qualcomm Incorporated Escape coding for coefficient levels
TWI737143B (zh) * 2019-01-25 2021-08-21 聯發科技股份有限公司 帶有變換塊級別約束的變換係數編碼的方法和設備
US11269645B2 (en) * 2020-03-11 2022-03-08 Western Digital Technologies, Inc. Storage system and method for implementing an encoder, decoder, and/or buffer using a field programmable gate array
WO2023060140A1 (en) * 2021-10-06 2023-04-13 Innopeak Technology, Inc. History-based rice parameter derivations for video coding
US11695965B1 (en) 2022-10-13 2023-07-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Video coding using a coded picture buffer
US12532014B2 (en) * 2023-04-20 2026-01-20 Tencent America LLC Context derivation for arithmetic coding of transform coefficients generated by non-separable transforms
WO2025075812A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Coefficient coding context selection for video coding
WO2025148495A1 (en) * 2024-01-11 2025-07-17 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and apparatus for coefficient coding in video coding
WO2025155765A1 (en) * 2024-01-17 2025-07-24 Netflix, Inc. Techniques for avm coefficient encoding

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US20070201554A1 (en) * 2006-02-24 2007-08-30 Samsung Electronics Co., Ltd. Video transcoding method and apparatus
US8213509B2 (en) * 2006-10-06 2012-07-03 Calos Fund Limited Liability Company Video coding on parallel processing systems
JP2008252230A (ja) * 2007-03-29 2008-10-16 Toshiba Corp 画像復号装置及び復号方法
US20130083856A1 (en) * 2011-06-29 2013-04-04 Qualcomm Incorporated Contexts for coefficient level coding in video compression
CN108235015A (zh) * 2011-11-08 2018-06-29 三星电子株式会社 用于对视频进行解码的设备
US10616581B2 (en) * 2012-01-19 2020-04-07 Huawei Technologies Co., Ltd. Modified coding for a transform skipped block for CABAC in HEVC
CN107105248B (zh) * 2012-04-13 2021-05-07 佳能株式会社 视频数据的变换单位的子集的编解码的方法、设备和系统
HRP20181467T1 (hr) * 2012-04-15 2018-11-02 Samsung Electronics Co., Ltd Postupak ažuriranja parametra za entropijsko dekodiranje razine koeficijenta konverzije, i uređaj za entropijsko dekodiranje razine koeficijenta konverzije koji koristi isti
GB2513111A (en) * 2013-04-08 2014-10-22 Sony Corp Data encoding and decoding
US10021419B2 (en) * 2013-07-12 2018-07-10 Qualcomm Incorported Rice parameter initialization for coefficient level coding in video coding process
GB2521828A (en) * 2013-12-23 2015-07-08 Sony Corp Data encoding and decoding
US9930348B2 (en) * 2014-03-14 2018-03-27 Qualcomm Incorporated Coefficient level coding in a video coding process
US10477204B2 (en) * 2014-06-20 2019-11-12 Sharp Kabushiki Kaisha Harmonized palette coding
JP6476900B2 (ja) * 2015-01-21 2019-03-06 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
US10616604B2 (en) * 2015-09-01 2020-04-07 Qualcomm Incorporated Coefficient level coding in video coding
EP3306924A1 (en) * 2016-10-05 2018-04-11 Thomson Licensing Method and device for context-adaptive binary arithmetic coding a sequence of binary symbols representing a syntax element related to picture data
US11477486B2 (en) 2019-01-02 2022-10-18 Qualcomm Incorporated Escape coding for coefficient levels
US10798397B2 (en) * 2019-01-02 2020-10-06 Tencent America LLC Method and apparatus for video coding
EP4085636A4 (en) * 2019-12-30 2024-01-24 Beijing Dajia Internet Information Technology Co., Ltd. RESIDUAL AND COEFFICIENT ENCODING FOR VIDEO CODING

Also Published As

Publication number Publication date
JP7509784B2 (ja) 2024-07-02
US20200213623A1 (en) 2020-07-02
JP2022516132A (ja) 2022-02-24
CN113228654A (zh) 2021-08-06
TWI856996B (zh) 2024-10-01
US20220417563A1 (en) 2022-12-29
CN113228654B (zh) 2025-01-10
TW202032993A (zh) 2020-09-01
US11477486B2 (en) 2022-10-18
WO2020142608A1 (en) 2020-07-09
KR20210107018A (ko) 2021-08-31
US11785259B2 (en) 2023-10-10
BR112021011060A2 (pt) 2021-08-31
EP3906679A1 (en) 2021-11-10

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