KR102365388B1 - 채도 qp 값의 확장된 범위 - Google Patents

채도 qp 값의 확장된 범위 Download PDF

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KR102365388B1
KR102365388B1 KR1020217011550A KR20217011550A KR102365388B1 KR 102365388 B1 KR102365388 B1 KR 102365388B1 KR 1020217011550 A KR1020217011550 A KR 1020217011550A KR 20217011550 A KR20217011550 A KR 20217011550A KR 102365388 B1 KR102365388 B1 KR 102365388B1
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개리 제이 설리번
샌딥 카누무리
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마이크로소프트 테크놀로지 라이센싱, 엘엘씨
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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
    • H04N19/102Methods 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
    • 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
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/174Methods 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
    • 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
    • H04N19/186Methods 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
    • 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
    • H04N19/70Methods 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
    • H04N19/10Methods 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

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US201261667381P 2012-07-02 2012-07-02
US61/667,381 2012-07-02
US13/732,356 US9414054B2 (en) 2012-07-02 2012-12-31 Control and use of chroma quantization parameter values
US13/732,356 2012-12-31
KR1020207023553A KR102244926B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
PCT/US2013/049100 WO2014008277A1 (en) 2012-07-02 2013-07-02 Extended range for chroma qp values

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KR1020147036979A Active KR102147552B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020733A Active KR102643369B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
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KR1020237020809A Active KR102660891B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
KR1020237020737A Active KR102660890B1 (ko) 2012-07-02 2013-07-02 채도 qp 값의 확장된 범위
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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
EP2854404B1 (en) * 2013-09-09 2024-11-20 Apple Inc. Chroma quantization in video coding
US9294766B2 (en) 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
CA2925183C (en) 2013-10-14 2020-03-10 Microsoft Technology Licensing, Llc Features of base color index map mode for video and image coding and decoding
EP3114835B1 (en) 2014-03-04 2020-04-22 Microsoft Technology Licensing, LLC Encoding strategies for adaptive switching of color spaces
CN110049325B (zh) 2014-03-04 2022-07-05 微软技术许可有限责任公司 色彩空间、色彩采样率和/或比特深度的自适应切换
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
BR112016021529B1 (pt) 2014-03-27 2023-02-28 Microsoft Technology Licensing, Llc Dispositivo de computação, método e meio legível por computador para ajuste de quantização/escalada e quantização/escalada inversa ao alternar áreas de cor
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
JP2017535145A (ja) 2014-09-30 2017-11-24 マイクロソフト テクノロジー ライセンシング,エルエルシー 波面並列処理が可能にされた場合のピクチャ内予測モードに関する規則
US9716871B2 (en) 2014-09-30 2017-07-25 Apple Inc. YUV signal generation for high dynamic range video content
EP3189660B1 (en) * 2014-09-30 2023-07-12 HFI Innovation Inc. Method of adaptive motion vector resolution for video coding
CN107113431B (zh) 2014-10-03 2020-12-01 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
US9883184B2 (en) * 2014-10-07 2018-01-30 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
EP3308540B1 (en) * 2015-06-09 2020-04-15 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
WO2018123444A1 (ja) * 2016-12-28 2018-07-05 ソニー株式会社 画像処理装置及び画像処理方法
CN116248868B (zh) * 2017-07-03 2025-11-25 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
US11070818B2 (en) * 2017-07-05 2021-07-20 Telefonaktiebolaget Lm Ericsson (Publ) Decoding a block of video samples
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
WO2019072582A1 (en) * 2017-10-09 2019-04-18 Canon Kabushiki Kaisha METHOD AND APPARATUS FOR FILTERING WITH DEPRESSION OF A BLOCK OF PIXELS
US10812798B2 (en) * 2017-10-19 2020-10-20 Qualcomm Incorporated Chroma quantization parameter (QP) offset
WO2019148977A1 (en) * 2018-02-01 2019-08-08 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
US11909974B2 (en) 2018-03-30 2024-02-20 Interdigital Vc Holdings, Inc. Chroma quantization parameter adjustment in video encoding and decoding
WO2019194422A1 (en) * 2018-04-01 2019-10-10 Lg Electronics Inc. An image coding apparatus and method thereof based on a quantization parameter derivation
US11259023B2 (en) * 2018-04-12 2022-02-22 Qualcomm Incorporated Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding
CA3111118A1 (en) * 2018-09-21 2020-03-26 Huawei Technologies Co., Ltd. Apparatus and method for inverse quantization
US12177446B2 (en) 2018-09-24 2024-12-24 Interdigital Vc Holdings, Inc. Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma
WO2020156515A1 (en) * 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Refined quantization steps in video coding
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
CN113454998B (zh) * 2019-03-05 2025-07-11 中兴通讯股份有限公司 视频编码中的跨分量量化
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
KR20250079228A (ko) * 2019-04-26 2025-06-04 후아웨이 테크놀러지 컴퍼니 리미티드 크로마 양자화 파라미터의 매핑 함수의 시그널링을 위한 방법 및 장치
EP4113998A1 (en) * 2019-05-28 2023-01-04 Dolby Laboratories Licensing Corporation Quantization parameter signaling
EP3967036A4 (en) * 2019-06-21 2022-08-17 Huawei Technologies Co., Ltd. ENCODER, DECODER AND RELATED CHROMINANCE QUANTIZATION CONTROL METHODS
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
US11381819B2 (en) 2019-07-05 2022-07-05 Qualcomm Incorporated Chroma delta quantization parameter (QP) in video coding
KR20220029586A (ko) * 2019-07-05 2022-03-08 엘지전자 주식회사 크로마 양자화 파라미터 데이터를 코딩하는 영상 디코딩 방법 및 그 장치
EP3997876A1 (en) * 2019-07-12 2022-05-18 InterDigital VC Holdings France, SAS Luma to chroma quantization parameter table signaling
MX2022002086A (es) 2019-08-22 2022-03-17 Lg Electronics Inc Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma.
BR112021010416A2 (pt) * 2019-08-23 2021-08-24 Huawei Technologies Co., Ltd. Codificador, decodificador e métodos correspondentes para realizar desblocagem de croma para blocos que usam codificação de croma em conjunto
US11356684B2 (en) 2019-08-30 2022-06-07 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter table
EP4014497A4 (en) 2019-09-14 2022-11-30 ByteDance Inc. Quantization parameter for chroma deblocking filtering
WO2021055896A1 (en) * 2019-09-21 2021-03-25 Bytedance Inc. Chroma deblocking in video coding
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
CN114651442B (zh) 2019-10-09 2025-06-13 字节跳动有限公司 视频编解码中的跨分量适应性回路滤波
CN114556924B (zh) * 2019-10-14 2024-01-26 字节跳动有限公司 视频处理中色度残差的联合编解码与滤波的方法、装置及介质
WO2021083258A1 (en) * 2019-10-29 2021-05-06 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive loop filter using luma differences
EP4055827A4 (en) 2019-12-09 2023-01-18 ByteDance Inc. USE OF QUANTIZATION GROUPS IN VIDEO CODING
CN114902680B (zh) 2019-12-19 2025-03-21 抖音视界(北京)有限公司 视频的自适应颜色变换和差分编解码的联合使用
WO2021134072A1 (en) * 2019-12-27 2021-07-01 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video coding in 4:4:4 chroma format
WO2021138293A1 (en) 2019-12-31 2021-07-08 Bytedance Inc. Adaptive color transform in video coding
EP4070558A4 (en) 2020-01-05 2023-04-19 Beijing Bytedance Network Technology Co., Ltd. INFORMATION ABOUT GENERAL RESTRICTIONS ON VIDEO ENCODING
EP4090020A4 (en) 2020-01-10 2024-01-17 Samsung Electronics Co., Ltd. VIDEO DECODING METHOD AND APPARATUS FOR OBTAINING QUANTIZATION PARAMETERS AND VIDEO CODING METHOD AND APPARATUS FOR TRANSMITTING QUANTIZATION PARAMETERS
CN114982237A (zh) * 2020-01-14 2022-08-30 抖音视界(北京)有限公司 视频编解码中量化参数的信令通知
WO2021143896A1 (en) 2020-01-18 2021-07-22 Beijing Bytedance Network Technology Co., Ltd. Adaptive colour transform in image/video coding
BR112022015242A2 (pt) 2020-02-04 2022-09-20 Huawei Tech Co Ltd Codificador, decodificador e métodos correspondentes sobre sinalização de sintaxe de alto nível
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
WO2021252645A1 (en) * 2020-06-09 2021-12-16 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
EP1559275A1 (en) * 2002-11-01 2005-08-03 Nokia Corporation A 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
US9961372B2 (en) 2006-12-08 2018-05-01 Nxp Usa, Inc. Adaptive disabling of deblock filtering based on a content characteristic of video information
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
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
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)
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)
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
MY202153A (en) 2011-03-11 2024-04-09 Sony Corp Image processing apparatus and method
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
US9485521B2 (en) 2011-09-19 2016-11-01 Lg Electronics Inc. Encoding and decoding image using sample adaptive offset with start band indicator
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
CN106162185B (zh) 2012-01-20 2019-10-18 维洛媒体国际有限公司 色度量化参数扩展
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
JP6406014B2 (ja) 2012-12-18 2018-10-17 ソニー株式会社 画像処理装置及び画像処理方法
EP2952003B1 (en) 2013-01-30 2019-07-17 Intel Corporation Content adaptive partitioning for prediction and coding for next generation video
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
US9294766B2 (en) 2013-09-09 2016-03-22 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
JP6194427B2 (ja) 2014-10-06 2017-09-06 テレフオンアクチーボラゲット エルエム エリクソン(パブル) 量子化パラメータのコーディング及び導出
WO2019194422A1 (en) 2018-04-01 2019-10-10 Lg Electronics Inc. An image coding apparatus and method thereof based on a quantization parameter derivation
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Jun XU, et. al., "Chroma QP extension and signalling enhancement", Joint Collaborative Team on Video Coding of ITU-T SG16 WP 3 and ISO/IEC JTC 1/SC 29/ WG 11 9th Meeting, Geneva, 27 April - 7 May, 201*

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