KR20190035681A - 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩 - Google Patents

적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩 Download PDF

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KR20190035681A
KR20190035681A KR1020197000944A KR20197000944A KR20190035681A KR 20190035681 A KR20190035681 A KR 20190035681A KR 1020197000944 A KR1020197000944 A KR 1020197000944A KR 20197000944 A KR20197000944 A KR 20197000944A KR 20190035681 A KR20190035681 A KR 20190035681A
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transformed coefficients
transform
partial
coordinates
knowledge
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Korean (ko)
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세바스티앙 라세르
사우라브 푸리
패트릭 르 칼레
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인터디지털 브이씨 홀딩스 인코포레이티드
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Priority to KR1020227014471A priority Critical patent/KR20220058973A/ko
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    • 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
    • H04N19/102Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/20Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/90Methods 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
    • 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
    • H04N19/192Methods 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 the adaptation method, adaptation tool or adaptation type being iterative or recursive

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  • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020197000944A 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩 Ceased KR20190035681A (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020227014471A KR20220058973A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16305919.9 2016-07-15
EP16305919.9A EP3270595A1 (en) 2016-07-15 2016-07-15 Method and apparatus for last coefficient coding for adaptive transform based video compression
PCT/EP2017/067616 WO2018011303A1 (en) 2016-07-15 2017-07-12 Last coefficient coding for adaptive transform based video compression

Related Child Applications (1)

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KR1020227014471A Division KR20220058973A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩

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KR20190035681A true KR20190035681A (ko) 2019-04-03

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KR1020197000944A Ceased KR20190035681A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩
KR1020227014471A Ceased KR20220058973A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩
KR1020237036119A Ceased KR20230152782A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩
KR1020257033577A Pending KR20250151604A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩

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KR1020237036119A Ceased KR20230152782A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩
KR1020257033577A Pending KR20250151604A (ko) 2016-07-15 2017-07-12 적응형 변환 기반 비디오 압축을 위한 최종 계수 코딩

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US (3) US11496752B2 (enExample)
EP (2) EP3270595A1 (enExample)
JP (1) JP7489776B2 (enExample)
KR (4) KR20190035681A (enExample)
CN (2) CN115604482A (enExample)
WO (1) WO2018011303A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021510022A (ja) * 2018-11-12 2021-04-08 エルジー エレクトロニクス インコーポレイティド 高周波ゼロイングに基づいて変換係数をコーディングする方法及びその装置
CN113940072B (zh) * 2019-06-19 2025-05-13 索尼集团公司 图像处理装置和方法
WO2021036979A1 (en) 2019-08-24 2021-03-04 Beijing Bytedance Network Technology Co., Ltd. Residual coefficients coding

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US9008171B2 (en) 2008-01-08 2015-04-14 Qualcomm Incorporated Two pass quantization for CABAC coders
PL2628299T3 (pl) * 2010-10-14 2019-12-31 Interdigital Vc Holdings, Inc. Sposób i urządzenie do ulepszonego kodowania i dekodowania entropijnego
CN103597838B (zh) 2011-04-15 2017-03-29 黑莓有限公司 对末位有效系数的位置进行编码和解码的方法和设备
US9491469B2 (en) * 2011-06-28 2016-11-08 Qualcomm Incorporated Coding of last significant transform coefficient
WO2013017092A1 (en) 2011-08-04 2013-02-07 Mediatek Inc. Method and apparatus for reordered binarization of syntax elements in cabac
US9357185B2 (en) 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
EP2795901A1 (en) 2011-12-20 2014-10-29 Motorola Mobility LLC Method and apparatus for efficient transform unit encoding
CN104067614B (zh) * 2011-12-28 2018-07-27 夏普株式会社 算术解码装置、图像解码装置以及算术编码装置
WO2013109990A2 (en) * 2012-01-20 2013-07-25 General Instrument Corporation Devices and methods for context reduction in last significant coefficient position coding
US9584802B2 (en) * 2012-04-13 2017-02-28 Texas Instruments Incorporated Reducing context coded and bypass coded bins to improve context adaptive binary arithmetic coding (CABAC) throughput
EP2858353B1 (en) * 2012-06-01 2019-03-20 Velos Media International Limited Arithmetic decoding device, image decoding device, arithmetic encoding device, and image encoding device
US9350998B2 (en) * 2012-06-29 2016-05-24 Qualcomm Incorporated Coding of significance flags
US10412396B2 (en) * 2013-01-16 2019-09-10 Blackberry Limited Transform coefficient coding for context-adaptive binary entropy coding of video
US9215464B2 (en) * 2013-09-19 2015-12-15 Blackberry Limited Coding position data for the last non-zero transform coefficient in a coefficient group
US9432696B2 (en) * 2014-03-17 2016-08-30 Qualcomm Incorporated Systems and methods for low complexity forward transforms using zeroed-out coefficients
US9734601B2 (en) * 2014-04-04 2017-08-15 The Board Of Trustees Of The University Of Illinois Highly accelerated imaging and image reconstruction using adaptive sparsifying transforms
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EP3270594A1 (en) 2016-07-15 2018-01-17 Thomson Licensing Method and apparatus for advanced cabac context adaptation for last coefficient coding

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Publication number Publication date
US20230039301A1 (en) 2023-02-09
KR20250151604A (ko) 2025-10-21
US11496752B2 (en) 2022-11-08
US20250088645A1 (en) 2025-03-13
EP3485640A1 (en) 2019-05-22
US12192487B2 (en) 2025-01-07
EP3485640B1 (en) 2025-09-03
JP7489776B2 (ja) 2024-05-24
CN109417626B (zh) 2022-10-21
JP2019520773A (ja) 2019-07-18
CN115604482A (zh) 2023-01-13
KR20220058973A (ko) 2022-05-10
WO2018011303A1 (en) 2018-01-18
KR20230152782A (ko) 2023-11-03
CN109417626A (zh) 2019-03-01
US20190297335A1 (en) 2019-09-26
EP3270595A1 (en) 2018-01-17

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