JP6270833B2 - クロマｑｐ値の拡張範囲 - Google Patents

クロマｑｐ値の拡張範囲 Download PDF

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JP6270833B2
JP6270833B2 JP2015520655A JP2015520655A JP6270833B2 JP 6270833 B2 JP6270833 B2 JP 6270833B2 JP 2015520655 A JP2015520655 A JP 2015520655A JP 2015520655 A JP2015520655 A JP 2015520655A JP 6270833 B2 JP6270833 B2 JP 6270833B2
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ジェイ． サリヴァン，ゲイリー
ジェイ． サリヴァン，ゲイリー
カヌムリ，サンディープ
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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
    • H04N19/124—Quantisation
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/10—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
    • H04N19/146—Data rate or code amount at the encoder output

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
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JP2015520655A 2012-07-02 2013-07-02 クロマｑｐ値の拡張範囲 Active JP6270833B2 (ja)

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Application Number Priority Date Filing Date Title
US201261667381P 2012-07-02 2012-07-02
US61/667,381 2012-07-02
US13/732,356 2012-12-31
US13/732,356 US9414054B2 (en) 2012-07-02 2012-12-31 Control and use of chroma quantization parameter values
PCT/US2013/049100 WO2014008277A1 (en) 2012-07-02 2013-07-02 Extended range for chroma qp values

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JP2015526971A JP2015526971A (ja) 2015-09-10
JP2015526971A5 JP2015526971A5 (enExample) 2016-08-04
JP6270833B2 true JP6270833B2 (ja) 2018-01-31

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US (17) US9414054B2 (enExample)
EP (3) EP4557742A3 (enExample)
JP (1) JP6270833B2 (enExample)
KR (11) KR102365388B1 (enExample)
CN (1) CN104584559B (enExample)
WO (1) WO2014008277A1 (enExample)

Families Citing this family (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US9426439B2 (en) * 2013-03-12 2016-08-23 Intel Corporation Exposing media processing features
GB2512826B (en) * 2013-04-05 2017-05-10 Canon Kk Method and device for determining the value of a quantization parameter
US9510002B2 (en) * 2013-09-09 2016-11-29 Apple Inc. Chroma quantization in video coding
EP2854404B1 (en) * 2013-09-09 2024-11-20 Apple Inc. Chroma quantization in video coding
BR112016008044A8 (pt) 2013-10-14 2020-03-17 Microsoft Technology Licensing Llc codificador de vídeo ou imagem, decodificador de vídeo ou imagem e meio legível por computador
US10182241B2 (en) 2014-03-04 2019-01-15 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths
RU2653295C2 (ru) 2014-03-04 2018-05-07 МАЙКРОСОФТ ТЕКНОЛОДЖИ ЛАЙСЕНСИНГ, ЭлЭлСи Адаптивное переключение цветовых пространств, частот цветовой дискретизации и/или битовых глубин
JP2015173312A (ja) * 2014-03-11 2015-10-01 ソニー株式会社 画像符号化装置および方法、並びに画像復号装置および方法
US10271052B2 (en) 2014-03-14 2019-04-23 Qualcomm Incorporated Universal color-space inverse transform coding
WO2015143671A1 (en) 2014-03-27 2015-10-01 Microsoft Technology Licensing, Llc Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces
US20150288965A1 (en) * 2014-04-08 2015-10-08 Microsoft Corporation Adaptive quantization for video rate control
US10142642B2 (en) 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
EP2977958A1 (en) * 2014-07-22 2016-01-27 Thomson Licensing Method and apparatus for processing image data
US9716871B2 (en) 2014-09-30 2017-07-25 Apple Inc. YUV signal generation for high dynamic range video content
AU2014408228B2 (en) 2014-09-30 2019-09-19 Microsoft Technology Licensing, Llc Rules for intra-picture prediction modes when wavefront parallel processing is enabled
CN111818334B (zh) * 2014-09-30 2022-04-01 寰发股份有限公司 用于视频编码的自适应运动向量分辨率的方法
CN112261410B (zh) 2014-10-03 2024-08-20 日本电气株式会社 视频编码设备、视频解码设备、视频编码方法、视频解码方法和程序
US10057578B2 (en) * 2014-10-07 2018-08-21 Qualcomm Incorporated QP derivation and offset for adaptive color transform in video coding
CN105960802B (zh) 2014-10-08 2018-02-06 微软技术许可有限责任公司 切换色彩空间时对编码和解码的调整
CN104410863B (zh) * 2014-12-11 2017-07-11 上海兆芯集成电路有限公司 图像处理器以及图像处理方法
US9979969B2 (en) * 2015-04-24 2018-05-22 Fingram Co., Ltd. Method and system for image compression using image block characteristics
US20180167615A1 (en) * 2015-06-07 2018-06-14 Sharp Kabushiki Kaisha Systems and methods for optimizing video coding based on a luminance transfer function or video color component values
WO2016197314A1 (en) * 2015-06-09 2016-12-15 Microsoft Technology Licensing, Llc Robust encoding/decoding of escape-coded pixels in palette mode
EP3104610A1 (en) * 2015-06-10 2016-12-14 Thomson Licensing Method and device for encoding color differences for color picture data
US10225561B2 (en) * 2015-10-08 2019-03-05 Mediatek Inc. Method and apparatus for syntax signaling in image and video compression
US10432936B2 (en) 2016-04-14 2019-10-01 Qualcomm Incorporated Apparatus and methods for perceptual quantization parameter (QP) weighting for display stream compression
US10200698B2 (en) 2016-08-09 2019-02-05 Intel Corporation Determining chroma quantization parameters for video coding
US10924735B2 (en) 2016-12-28 2021-02-16 Sony Corporation Image processing apparatus and image processing method
CN116320400B (zh) * 2017-07-03 2025-10-10 汉阳大学校产学协力团 利用包含追加区域的分割单位的影像解码方法以及装置
EP3649782A4 (en) * 2017-07-05 2021-04-14 Telefonaktiebolaget LM Ericsson (PUBL) DECODING A BLOCK OF VIDEO SAMPLE
US11019339B2 (en) * 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
US10778978B2 (en) * 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
CN111213378B (zh) * 2017-10-09 2022-05-03 佳能株式会社 用于对像素块进行去块滤波的方法和装置
US10812798B2 (en) * 2017-10-19 2020-10-20 Qualcomm Incorporated Chroma quantization parameter (QP) offset
CN113573057B (zh) * 2018-02-01 2023-07-18 寰发股份有限公司 具有视频数据自适应量化的视频编码或解码方法和装置
KR102710009B1 (ko) * 2018-03-30 2024-09-26 인터디지털 브이씨 홀딩스 인코포레이티드 비디오 인코딩 및 디코딩에서의 크로마 양자화 파라미터 조정
KR102392128B1 (ko) * 2018-04-01 2022-04-28 엘지전자 주식회사 양자화 파라미터 도출에 기초한 영상 코딩 장치 및 방법
US11259023B2 (en) * 2018-04-12 2022-02-22 Qualcomm Incorporated Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding
KR102824011B1 (ko) * 2018-09-21 2025-06-20 후아웨이 테크놀러지 컴퍼니 리미티드 역 양자화 장치 및 방법
WO2020068531A1 (en) 2018-09-24 2020-04-02 Interdigital Vc Holdings, Inc. Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma
CN113366839B (zh) * 2019-01-31 2024-01-12 北京字节跳动网络技术有限公司 视频编解码中的细化量化步骤
EP3700205A1 (en) * 2019-02-19 2020-08-26 Nokia Technologies Oy Quantization parameter derivation for cross-channel residual encoding and decoding
GB201902831D0 (en) * 2019-03-01 2019-04-17 Canon Kk Method and apparatus for encoding and decoding a video bitstream for merging regions of interest
WO2020177072A1 (en) * 2019-03-05 2020-09-10 Zte Corporation Cross-component quantization in video coding
US11076152B2 (en) * 2019-03-18 2021-07-27 Sony Group Corporation Quantization step parameter for point cloud compression
CN113711604B (zh) 2019-04-20 2023-10-27 北京字节跳动网络技术有限公司 视频编解码中色度和亮度语法元素的信令
AU2020260657A1 (en) * 2019-04-26 2021-11-11 Huawei Technologies Co., Ltd. Method and apparatus for signaling of mapping function of chroma quantization parameter
CN114745544B (zh) 2019-05-28 2024-05-28 杜比实验室特许公司 用信号发送量化参数的方法和计算机可读记录介质
KR102636330B1 (ko) * 2019-06-21 2024-02-15 후아웨이 테크놀러지 컴퍼니 리미티드 크로마 양자화 제어의 인코더, 디코더 및 대응하는 방법들
CN118714313A (zh) * 2019-06-23 2024-09-27 夏普株式会社 用于在视频编码中导出视频块的量化参数的系统和方法
US11146823B2 (en) 2019-06-25 2021-10-12 Qualcomm Incorporated Signalling chroma quantization parameter (QP) mapping tables
US11418787B2 (en) 2019-06-28 2022-08-16 Qualcomm Incorporated Chroma delta QP in video coding
CN114223198B (zh) * 2019-07-05 2024-10-15 Lg电子株式会社 编译色度量化参数数据的图像解码方法及其设备
US11381819B2 (en) 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
EP3997876A1 (en) * 2019-07-12 2022-05-18 InterDigital VC Holdings France, SAS Luma to chroma quantization parameter table signaling
WO2021034115A1 (ko) * 2019-08-22 2021-02-25 엘지전자 주식회사 크로마 양자화 파라미터 오프셋 관련 정보를 코딩하는 영상 디코딩 방법 및 그 장치
MX2021008260A (es) * 2019-08-23 2021-08-16 Huawei Tech Co Ltd Un codificador, un decodificador y metodos correspondientes para ejecutar desbloqueo de crominancia para bloques que utilizan codificacion de crominancia conjunta.
WO2021040907A1 (en) * 2019-08-30 2021-03-04 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter table
WO2021051046A1 (en) 2019-09-14 2021-03-18 Bytedance Inc. Quantization parameter for chroma deblocking filtering
CN114503597B (zh) * 2019-09-21 2024-03-12 字节跳动有限公司 视频编解码中的色度去方块方法
CN114424554B (zh) 2019-09-23 2024-04-09 华为技术有限公司 色度qp偏移表指示和推导的方法和装置
WO2021072177A1 (en) 2019-10-09 2021-04-15 Bytedance Inc. Cross-component adaptive loop filtering in video coding
CN114586370B (zh) 2019-10-14 2024-01-23 字节跳动有限公司 在视频编解码中使用色度量化参数的方法、装置及介质
KR102717414B1 (ko) 2019-10-29 2024-10-15 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로스 컴포넌트 적응적 루프 필터의 시그널링
JP7508558B2 (ja) 2019-12-09 2024-07-01 バイトダンス インコーポレイテッド ビデオコーディングにおける量子化グループの使用
WO2021121419A1 (en) 2019-12-19 2021-06-24 Beijing Bytedance Network Technology Co., Ltd. Interaction between adaptive color transform and quantization parameters
CN114868388B (zh) * 2019-12-27 2025-03-07 北京达佳互联信息技术有限公司 在4：4：4色度格式下进行视频编解码的方法和装置
CN114902657B (zh) 2019-12-31 2025-06-13 字节跳动有限公司 视频编解码中的自适应颜色变换
CN115191118A (zh) 2020-01-05 2022-10-14 抖音视界有限公司 在视频编解码中使用自适应颜色变换
BR112022013662A2 (pt) 2020-01-10 2022-09-13 Samsung Electronics Co Ltd Método de decodificação de vídeo, aparelho de decodificação de vídeo, e método de codificação de vídeo
WO2021143750A1 (en) * 2020-01-14 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Overwriting of quantization parameters in video coding
CN115176470B (zh) 2020-01-18 2025-05-27 抖音视界有限公司 图像/视频编解码中的自适应颜色变换
CN116233470B (zh) 2020-02-04 2024-01-09 华为技术有限公司 指示高级语法的编码器、解码器以及对应方法
US11558616B2 (en) 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
JP2021158633A (ja) * 2020-03-30 2021-10-07 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
US11381820B2 (en) * 2020-04-13 2022-07-05 Tencent America LLC Method and apparatus for video coding
US11606577B2 (en) 2020-06-09 2023-03-14 Alibaba Group Holding Limited Method for processing adaptive color transform and low-frequency non-separable transform in video coding
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US11979572B2 (en) * 2020-06-22 2024-05-07 Apple Inc. Adaptive quantizer design for video coding
US11032546B1 (en) * 2020-07-20 2021-06-08 Tencent America LLC Quantizer for lossless and near-lossless compression
US11652996B2 (en) * 2021-05-25 2023-05-16 Tencent America LLC Method and apparatus for video coding
KR102488988B1 (ko) 2021-06-18 2023-01-13 이상철 자전하며 공전하는 회전날개를 갖는 수평축회전력생성장치
US12047589B2 (en) 2021-09-30 2024-07-23 Tencent America LLC Deriving offsets in cross-component transform coefficient level reconstruction
EP4195666B1 (en) 2021-12-08 2024-11-20 Axis AB An encoding device and a method for encoding an image frame including selective restriction of offset compression values
CN114051140B (zh) * 2022-01-07 2022-04-08 腾讯科技（深圳）有限公司 视频编码方法、装置、计算机设备及存储介质
US20240129461A1 (en) * 2022-10-04 2024-04-18 Tencent America LLC Systems and methods for cross-component sample offset filter information signaling

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030112863A1 (en) 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
US7319415B2 (en) 2002-05-01 2008-01-15 Thomson Licensing Chroma deblocking filter
US20060050784A1 (en) * 2002-11-01 2006-03-09 Ville Lappalainen Method and device for transcoding images
US7227901B2 (en) 2002-11-21 2007-06-05 Ub Video Inc. Low-complexity deblocking filter
US8625680B2 (en) 2003-09-07 2014-01-07 Microsoft Corporation Bitstream-controlled post-processing filtering
US8014450B2 (en) 2003-09-07 2011-09-06 Microsoft Corporation Flexible range reduction
JP4407249B2 (ja) 2003-11-18 2010-02-03 ソニー株式会社 データ処理装置およびその方法と符号化装置、その方法及びプログラム
KR100647295B1 (ko) 2004-11-10 2006-11-23 삼성전자주식회사 비디오 디코더에서의 인접 정보 처리 장치 및 방법과 그방법을 수행하기 위한 프로그램이 저장된 기록 매체
US7873105B2 (en) * 2005-04-01 2011-01-18 Broadcom Corporation Hardware implementation of optimized single inverse quantization engine for a plurality of standards
US8681867B2 (en) 2005-10-18 2014-03-25 Qualcomm Incorporated Selective deblock filtering techniques for video coding based on motion compensation resulting in a coded block pattern value
JP4769605B2 (ja) 2006-03-17 2011-09-07 富士通株式会社 動画像符号装置及び方法
US20070230564A1 (en) 2006-03-29 2007-10-04 Qualcomm Incorporated Video processing with scalability
US9445128B2 (en) 2006-12-08 2016-09-13 Freescale Semiconductor, Inc. System and method of determining deblocking control flag of scalable video system for indicating presentation of deblocking parameters for multiple layers
US9961372B2 (en) 2006-12-08 2018-05-01 Nxp Usa, Inc. Adaptive disabling of deblock filtering based on a content characteristic of video information
US8634462B2 (en) 2007-03-13 2014-01-21 Matthias Narroschke Quantization for hybrid video coding
US8204129B2 (en) 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity
US8724698B2 (en) 2007-04-13 2014-05-13 Apple Inc. Method and system for video rate control
JP2009004920A (ja) 2007-06-19 2009-01-08 Panasonic Corp 画像符号化装置および画像符号化方法
US8150187B1 (en) 2007-11-29 2012-04-03 Lsi Corporation Baseband signal quantizer estimation
JP5007259B2 (ja) 2008-03-27 2012-08-22 ルネサスエレクトロニクス株式会社 画像符号化装置
US8189677B2 (en) 2008-04-15 2012-05-29 Sony Corporation Estimation of P frame average rate quantization parameter (QP) in a group of pictures (GOP)
US8199823B2 (en) 2008-04-15 2012-06-12 Sony Corporation Estimation of B frame average rate quantization parameter (QP) in a group of pictures (GOP)
US8279924B2 (en) * 2008-10-03 2012-10-02 Qualcomm Incorporated Quantization parameter selections for encoding of chroma and luma video blocks
JP5094760B2 (ja) * 2009-02-13 2012-12-12 三菱電機株式会社 動画像符号化装置
KR101060495B1 (ko) 2009-03-19 2011-08-30 주식회사 코아로직 인코딩 장치와 방법 및 그 인코딩 장치를 포함한 멀티미디어 장치
US20110274162A1 (en) 2010-05-04 2011-11-10 Minhua Zhou Coding Unit Quantization Parameters in Video Coding
JP2011250400A (ja) 2010-04-27 2011-12-08 Panasonic Corp 動画像符号化装置及び動画像符号化方法
JP2011259362A (ja) 2010-06-11 2011-12-22 Sony Corp 画像処理装置および方法
US9462280B2 (en) 2010-12-21 2016-10-04 Intel Corporation Content adaptive quality restoration filtering for high efficiency video coding
KR101566366B1 (ko) 2011-03-03 2015-11-16 한국전자통신연구원 색차 성분 양자화 매개 변수 결정 방법 및 이러한 방법을 사용하는 장치
KR102032940B1 (ko) 2011-03-11 2019-10-16 소니 주식회사 화상 처리 장치, 화상 처리 방법 및 컴퓨터 판독가능 기록 매체
US9854275B2 (en) 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
KR20140046055A (ko) 2011-09-08 2014-04-17 모토로라 모빌리티 엘엘씨 계수들의 직사각형 블록의 양자화 및 역양자화를 위한 방법들 및 장치
WO2013037254A1 (en) 2011-09-13 2013-03-21 Mediatek Inc. Method and apparatus for reduction of deblocking filter
WO2013042884A1 (ko) 2011-09-19 2013-03-28 엘지전자 주식회사 영상 부호화/복호화 방법 및 그 장치
US8976857B2 (en) 2011-09-23 2015-03-10 Microsoft Technology Licensing, Llc Quality-based video compression
US9185404B2 (en) 2011-10-07 2015-11-10 Qualcomm Incorporated Performing transform dependent de-blocking filtering
US9510020B2 (en) 2011-10-20 2016-11-29 Qualcomm Incorporated Intra pulse code modulation (IPCM) and lossless coding mode deblocking for video coding
US9167269B2 (en) 2011-10-25 2015-10-20 Qualcomm Incorporated Determining boundary strength values for deblocking filtering for video coding
US9538200B2 (en) 2012-01-19 2017-01-03 Qualcomm Incorporated Signaling of deblocking filter parameters in video coding
KR20160035604A (ko) 2012-01-20 2016-03-31 소니 주식회사 크로마 양자화 파라미터 확장
US9451258B2 (en) 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
GB2501535A (en) 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US9031137B2 (en) 2012-05-03 2015-05-12 Texas Instruments Incorporated Signaling signed band offset values for sample adaptive offset (SAO) filtering in video coding
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9591302B2 (en) 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
KR102258356B1 (ko) 2012-12-18 2021-05-31 소니그룹주식회사 화상 처리 장치 및 화상 처리 방법
CN104737542B (zh) 2013-01-30 2018-09-25 英特尔公司 用于下一代视频的内容自适应熵编码
GB2512826B (en) 2013-04-05 2017-05-10 Canon Kk Method and device for determining the value of a quantization parameter
US10708588B2 (en) 2013-06-19 2020-07-07 Apple Inc. Sample adaptive offset control
US9510002B2 (en) 2013-09-09 2016-11-29 Apple Inc. Chroma quantization in video coding
US9843812B2 (en) 2014-05-23 2017-12-12 Sony Corporation Video transmission system with color gamut partitioning and method of operation thereof
US10038919B2 (en) 2014-05-29 2018-07-31 Apple Inc. In loop chroma deblocking filter
US9807410B2 (en) 2014-07-02 2017-10-31 Apple Inc. Late-stage mode conversions in pipelined video encoders
WO2016056977A1 (en) 2014-10-06 2016-04-14 Telefonaktiebolaget L M Ericsson (Publ) Coding and deriving quantization parameters
KR102392128B1 (ko) 2018-04-01 2022-04-28 엘지전자 주식회사 양자화 파라미터 도출에 기초한 영상 코딩 장치 및 방법
CN110994133B (zh) 2019-12-19 2021-08-03 西安易朴通讯技术有限公司 一种终端设备

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