JP6780097B2 - ビデオ符号化/復号化システムのための多次元量子化技術 - Google Patents

ビデオ符号化/復号化システムのための多次元量子化技術 Download PDF

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JP6780097B2
JP6780097B2 JP2019511854A JP2019511854A JP6780097B2 JP 6780097 B2 JP6780097 B2 JP 6780097B2 JP 2019511854 A JP2019511854 A JP 2019511854A JP 2019511854 A JP2019511854 A JP 2019511854A JP 6780097 B2 JP6780097 B2 JP 6780097B2
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quantizer
quantization
video
pixel block
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アレキサンドロス マイケル トウラピス
アレキサンドロス マイケル トウラピス
イエピン スー
イエピン スー
デイヴィッド ウィリアム シンガー
デイヴィッド ウィリアム シンガー
シー−ジュン ウー
シー−ジュン ウー
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Apple Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • 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
    • H04N19/124Quantisation
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    • 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
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    • 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]
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    • 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
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    • 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
    • H04N19/15Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
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    • 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
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    • 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
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    • 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
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    • H04N19/182Methods 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 pixel
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    • 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
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    • 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
    • H04N19/186Methods 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 colour or a chrominance component
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    • H04N19/42Methods 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
    • H04N19/436Methods 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
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    • H04N19/42Methods 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
    • H04N19/439Methods 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 cascaded computational arrangements for performing a single operation, e.g. filtering
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    • 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
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    • H04N19/48Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Color Television Systems (AREA)
JP2019511854A 2016-08-29 2017-07-27 ビデオ符号化/復号化システムのための多次元量子化技術 Active JP6780097B2 (ja)

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US15/250,608 US11153594B2 (en) 2016-08-29 2016-08-29 Multidimensional quantization techniques for video coding/decoding systems
US15/250,608 2016-08-29
PCT/US2017/044208 WO2018044441A1 (en) 2016-08-29 2017-07-27 Multidimensional quantization techniques for video coding/decoding systems

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Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10999602B2 (en) 2016-12-23 2021-05-04 Apple Inc. Sphere projected motion estimation/compensation and mode decision
US11259046B2 (en) 2017-02-15 2022-02-22 Apple Inc. Processing of equirectangular object data to compensate for distortion by spherical projections
US10924747B2 (en) 2017-02-27 2021-02-16 Apple Inc. Video coding techniques for multi-view video
US11093752B2 (en) 2017-06-02 2021-08-17 Apple Inc. Object tracking in multi-view video
US20190005709A1 (en) * 2017-06-30 2019-01-03 Apple Inc. Techniques for Correction of Visual Artifacts in Multi-View Images
US10754242B2 (en) 2017-06-30 2020-08-25 Apple Inc. Adaptive resolution and projection format in multi-direction video
US20190246114A1 (en) 2018-02-02 2019-08-08 Apple Inc. Techniques of multi-hypothesis motion compensation
US11924440B2 (en) 2018-02-05 2024-03-05 Apple Inc. Techniques of multi-hypothesis motion compensation
MX2020013386A (es) 2018-06-11 2021-03-09 Hfi Innovation Inc Metodo y aparato de flujo optico bidireccional para la codificacion de video.
CN112930684B (zh) 2018-08-17 2023-10-13 寰发股份有限公司 在视频编解码系统中利用双向预测处理视频的方法、设备
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection
WO2020251332A1 (ko) * 2019-06-14 2020-12-17 한국전자통신연구원 양자화 행렬 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN114450950B (zh) 2020-04-08 2023-04-18 日本放送协会 编码装置、解码装置及存储介质
JP7739039B2 (ja) * 2020-05-07 2025-09-16 ブラックマジック デザイン ピーティーワイ リミテッド 変換係数処理方法
CN116888960A (zh) * 2021-02-22 2023-10-13 浙江大学 编码方法、解码方法、编码器、解码器及存储介质
CN116074530B (zh) 2022-01-19 2024-10-29 杭州海康威视数字技术股份有限公司 一种图像解码方法、编码方法及装置
CN115174908B (zh) * 2022-06-30 2023-09-15 北京百度网讯科技有限公司 视频编码的变换量化方法、装置、设备以及存储介质

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0508506A (pt) 2004-03-09 2007-07-31 Thomson Res Funding Corp modo de atualização de resolução reduzida para codificação avançada de vìdeo
WO2007081908A1 (en) * 2006-01-09 2007-07-19 Thomson Licensing Method and apparatus for providing reduced resolution update mode for multi-view video coding
US9510016B2 (en) * 2008-06-12 2016-11-29 Thomson Licensing Methods and apparatus for video coding and decoding with reduced bit-depth update mode and reduced chroma sampling update mode
JP5492206B2 (ja) 2009-07-27 2014-05-14 株式会社東芝 画像符号化方法および画像復号方法、ならびに、画像符号化装置および画像復号装置
DE102010054967B4 (de) * 2010-12-08 2014-08-28 Schott Ag Borfreies Universalglas und dessen Verwendung
JP2012169762A (ja) 2011-02-10 2012-09-06 Sony Corp 画像符号化装置と画像復号化装置およびその方法とプログラム
US8804820B2 (en) * 2011-04-21 2014-08-12 Dialogic Corporation Rate control with look-ahead for video transcoding
WO2012148883A1 (en) 2011-04-25 2012-11-01 Dolby Laboratories Licensing Corporation Non-linear vdr residual quantizer
US20130083845A1 (en) * 2011-09-30 2013-04-04 Research In Motion Limited Methods and devices for data compression using a non-uniform reconstruction space
WO2013109631A1 (en) 2012-01-19 2013-07-25 Magnum Semiconductor, Inc. Methods and apparatuses for providing an adaptive reduced resolution update mode
HK1203261A1 (en) * 2012-05-14 2015-10-23 Luca Rossato Encoding and reconstruction of residual data based on support information
US9307264B2 (en) * 2012-06-22 2016-04-05 Sharp Kabushiki Kaisha Arithmetic decoding device, arithmetic coding device, image decoding apparatus, and image coding apparatus
US9591329B2 (en) * 2012-09-28 2017-03-07 Sony Corporation Image processing device and method for encoding and decoding image
RU2639250C2 (ru) * 2012-12-18 2017-12-20 Сони Корпорейшн Устройство обработки изображения и способ обработки изображения
EP2757558A1 (en) * 2013-01-18 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain level adjustment for audio signal decoding or encoding
GB2516022A (en) 2013-07-05 2015-01-14 Canon Kk Method, device, and computer program for processing high bit-depth content in video encoder and decoder
US9648332B2 (en) 2013-10-28 2017-05-09 Qualcomm Incorporated Adaptive inter-color component residual prediction
DE112015000959T5 (de) 2014-02-25 2016-11-17 Apple Inc. Adaptive Videoverarbeitung
WO2017053620A1 (en) * 2015-09-23 2017-03-30 Dolby Laboratories Licensing Corporation Preserving texture/noise consistency in video codecs
US10819978B2 (en) * 2016-01-11 2020-10-27 Samsung Electronics Co., Ltd. Image encoding method and apparatus, and image decoding method and apparatus
US20190052878A1 (en) * 2016-02-08 2019-02-14 Sharp Kabushiki Kaisha Systems and methods for transform coefficient coding
US10200687B2 (en) * 2017-06-02 2019-02-05 Apple Inc. Sample adaptive offset for high dynamic range (HDR) video compression
CN109660825B (zh) * 2017-10-10 2021-02-09 腾讯科技(深圳)有限公司 视频转码方法、装置、计算机设备及存储介质
US10574997B2 (en) * 2017-10-27 2020-02-25 Apple Inc. Noise level control in video coding
US11259023B2 (en) * 2018-04-12 2022-02-22 Qualcomm Incorporated Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding
CN108833917B (zh) * 2018-06-20 2022-04-08 腾讯科技(深圳)有限公司 视频编码、解码方法、装置、计算机设备和存储介质
US11606574B2 (en) * 2019-05-31 2023-03-14 Apple Inc. Efficient coding of source video sequences partitioned into tiles

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KR20190030230A (ko) 2019-03-21
US11539974B2 (en) 2022-12-27
US20220103851A1 (en) 2022-03-31
US20240171742A1 (en) 2024-05-23
CN109644270A (zh) 2019-04-16
KR20220123337A (ko) 2022-09-06
JP2019528651A (ja) 2019-10-10
US20250159164A9 (en) 2025-05-15
US12323590B2 (en) 2025-06-03
KR20210010651A (ko) 2021-01-27
KR102570859B1 (ko) 2023-08-25
JP2021036676A (ja) 2021-03-04
KR102438062B1 (ko) 2022-08-31
KR102207146B1 (ko) 2021-01-26
US20180063544A1 (en) 2018-03-01
US11153594B2 (en) 2021-10-19
JP7063965B2 (ja) 2022-05-09
WO2018044441A1 (en) 2018-03-08
CN109644270B (zh) 2022-01-18
KR102319987B1 (ko) 2021-11-02
EP3488609A1 (en) 2019-05-29
CN114222122A (zh) 2022-03-22
BR112019004035A2 (pt) 2019-05-28
CN114222122B (zh) 2025-01-07

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