KR20210107018A - 계수 레벨들을 위한 이스케이프 코딩 - Google Patents

계수 레벨들을 위한 이스케이프 코딩 Download PDF

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KR20210107018A
KR20210107018A KR1020217019962A KR20217019962A KR20210107018A KR 20210107018 A KR20210107018 A KR 20210107018A KR 1020217019962 A KR1020217019962 A KR 1020217019962A KR 20217019962 A KR20217019962 A KR 20217019962A KR 20210107018 A KR20210107018 A KR 20210107018A
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무함메드 제이드 코반
마르타 카르체비치
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퀄컴 인코포레이티드
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    • 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
    • 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
    • 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
    • H03M7/4031—Fixed length to variable length 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/189—Methods 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
    • H04N19/19—Methods 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
    • 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
    • H04N19/60—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
    • H04N19/70—Methods 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217019962A 2019-01-02 2020-01-02 계수 레벨들을 위한 이스케이프 코딩 Pending KR20210107018A (ko)

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US201962787707P 2019-01-02 2019-01-02
US62/787,707 2019-01-02
US16/732,008 2019-12-31
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

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KR20210107018A true KR20210107018A (ko) 2021-08-31

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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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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
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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
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US20200213623A1 (en) 2020-07-02
JP2022516132A (ja) 2022-02-24
CN113228654A (zh) 2021-08-06
SG11202105292RA (en) 2021-07-29
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
US11785259B2 (en) 2023-10-10
BR112021011060A2 (pt) 2021-08-31
EP3906679A1 (en) 2021-11-10

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