JP6527859B2 - 高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス - Google Patents

高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス Download PDF

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JP6527859B2
JP6527859B2 JP2016522152A JP2016522152A JP6527859B2 JP 6527859 B2 JP6527859 B2 JP 6527859B2 JP 2016522152 A JP2016522152 A JP 2016522152A JP 2016522152 A JP2016522152 A JP 2016522152A JP 6527859 B2 JP6527859 B2 JP 6527859B2
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chroma
low fidelity
video
quantization parameter
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JP2016528768A (ja
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デイビッド フリン，
デイビッド フリン，
デイク ヘ，
デイク ヘ，
グエン グエン，
グエン グエン，
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Velos Media International Ltd
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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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/46—Embedding additional information in the video signal during the compression process

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
JP2016522152A 2013-06-28 2014-06-09 高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス Active JP6527859B2 (ja)

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EP13174435.1A EP2843949B1 (en) 2013-06-28 2013-06-28 Methods and devices for emulating low-fidelity coding in a high-fidelity coder
EP13174435.1 2013-06-28
PCT/CA2014/050531 WO2014205561A1 (en) 2013-06-28 2014-06-09 Methods and devices for emulating low-fidelity coding in a high-fidelity coder

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JP2019090897A Active JP6691253B2 (ja) 2013-06-28 2019-05-13 高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス
JP2020070211A Active JP6907373B2 (ja) 2013-06-28 2020-04-09 高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス

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JP2020070211A Active JP6907373B2 (ja) 2013-06-28 2020-04-09 高忠実度コーダにおいて低忠実度コーディングをエミュレートする方法およびデバイス

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EP (3) EP3598751B1 (OSRAM)
JP (3) JP6527859B2 (OSRAM)
KR (1) KR101721815B1 (OSRAM)
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Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016199409A1 (en) * 2015-06-07 2016-12-15 Sharp Kabushiki Kaisha Systems and methods for optimizing video coding based on a luminance transfer function or video color component values
EP4199515A1 (en) 2016-05-27 2023-06-21 SHARP Kabushiki Kaisha Systems and methods for varying quantization parameters
EP3488610B1 (en) * 2016-07-22 2025-11-26 Sharp Kabushiki Kaisha Device and method for decoding video data using adaptive component scaling
WO2018054286A1 (en) * 2016-09-20 2018-03-29 Mediatek Inc. Methods and apparatuses of sample adaptive offset processing for video coding
AU2016426262A1 (en) * 2016-10-10 2019-05-02 Samsung Electronics Co., Ltd. Method and device for encoding or decoding luma block and chroma block
US20210337202A1 (en) * 2017-06-21 2021-10-28 Vid Scale, Inc. Adaptive quantization method for 360-degree video coding
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
CN111742554B (zh) * 2018-02-01 2021-08-06 联发科技股份有限公司 具有视频数据自适应量化的视频编码或解码方法和装置
CN117176950A (zh) * 2018-03-30 2023-12-05 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
JP7529575B2 (ja) 2018-06-21 2024-08-06 インターデジタル ヴイシー ホールディングス， インコーポレイテッド ビデオの符号化及び復号における改良モード処理
AU2019342803B2 (en) 2018-09-21 2023-07-13 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
CN113366840B (zh) * 2019-01-16 2024-10-11 夏普株式会社 一种对图像数据进行解码的方法
JP7279172B2 (ja) 2019-02-01 2023-05-22 北京字節跳動網絡技術有限公司 インループ再成形とインターコーディングツールとの間の相互作用
CN113475077B (zh) 2019-02-24 2023-11-17 北京字节跳动网络技术有限公司 调色板模式使用指示的独立编解码
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
KR102639936B1 (ko) 2019-03-08 2024-02-22 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리에서 모델-기반 변형에 대한 제약들
CN117499644A (zh) 2019-03-14 2024-02-02 北京字节跳动网络技术有限公司 环路整形信息的信令和语法
WO2020192612A1 (en) 2019-03-23 2020-10-01 Beijing Bytedance Network Technology Co., Ltd. Default in-loop reshaping parameters
CN113711590B (zh) 2019-04-18 2024-04-19 北京字节跳动网络技术有限公司 减少跨分量模式中的延迟
WO2020216246A1 (en) 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Methods for cross component dependency reduction
WO2020216380A1 (en) * 2019-04-26 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Prediction of parameters for in-loop reshaping
KR20250079228A (ko) 2019-04-26 2025-06-04 후아웨이 테크놀러지 컴퍼니 리미티드 크로마 양자화 파라미터의 매핑 함수의 시그널링을 위한 방법 및 장치
CN117221558A (zh) 2019-05-08 2023-12-12 北京字节跳动网络技术有限公司 跨分量编解码的适用性条件
CN113812161B (zh) * 2019-05-14 2024-02-06 北京字节跳动网络技术有限公司 视频编解码中的缩放方法
CA3143240C (en) 2019-06-11 2024-05-14 Lg Electronics Inc. Image decoding and encoding methods and apparatus therefor
CN118945349A (zh) * 2019-06-14 2024-11-12 弗劳恩霍夫应用研究促进协会 具有改进的基于变换的缩放的编码器、解码器、方法和计算机程序
CN117478908A (zh) 2019-06-22 2024-01-30 北京字节跳动网络技术有限公司 色度残差缩放的语法元素
US12015792B2 (en) 2019-06-28 2024-06-18 Lg Electronics Inc. Image decoding method for chroma quantization parameter data and apparatus therefor
CN117395396A (zh) 2019-07-07 2024-01-12 北京字节跳动网络技术有限公司 色度残差缩放的信令通知
EP3987806A4 (en) 2019-07-20 2022-08-31 Beijing Bytedance Network Technology Co., Ltd. CONDITIONAL CODING OF PALETTE MODE USE INDICATION
CN114145013B (zh) * 2019-07-23 2023-11-14 北京字节跳动网络技术有限公司 调色板模式编解码的模式确定
US11277611B2 (en) * 2019-07-24 2022-03-15 Qualcomm Incorporated Delta quantization parameter (QP) signaling in palette mode
CN114208188B (zh) 2019-07-29 2025-09-16 北京字节跳动网络技术有限公司 调色板模式编解码的扫描顺序改进
CN119182909A (zh) * 2019-08-22 2024-12-24 Lg 电子株式会社 使用色度量化参数的图像解码方法及其装置
EP4598023A3 (en) * 2019-08-27 2025-10-29 Hyundai Motor Company Video encoding and decoding using differential coding
FI4035368T3 (fi) 2019-09-23 2024-11-29 Beijing Dajia Internet Information Tech Co Ltd Menetelmät ja laitteet kvantisointi- ja dekvantisointimallia varten videokoodauksessa
US11310533B2 (en) * 2019-09-27 2022-04-19 Qualcomm Incorporated Quantization parameter signaling for joint chroma residual mode in video coding
US20210160481A1 (en) * 2019-11-26 2021-05-27 Qualcomm Incorporated Flexible signaling of qp offset for adaptive color transform in video coding
US12081798B2 (en) * 2019-12-06 2024-09-03 Interdigital Ce Patent Holdings, Sas Scaling process for joint chroma coded blocks
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
US11803989B2 (en) * 2020-01-08 2023-10-31 Qualcomm Incorporated Quantization for geometry-based point cloud compression
CN115244923A (zh) 2020-01-11 2022-10-25 北京达佳互联信息技术有限公司 使用调色板模式进行视频编解码的方法和装置
CN115280786A (zh) * 2020-03-12 2022-11-01 交互数字Vc控股法国公司 用于本地色度量化参数控制的高级约束标记
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US12047593B2 (en) * 2020-10-02 2024-07-23 Tencent America LLC Method and apparatus for video coding
CN113613008A (zh) * 2021-08-20 2021-11-05 百果园技术(新加坡)有限公司 一种视频编解码的方法、装置、电子设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7848408B2 (en) * 2005-01-28 2010-12-07 Broadcom Corporation Method and system for parameter generation for digital noise reduction based on bitstream properties
US8243797B2 (en) * 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8571106B2 (en) * 2008-05-22 2013-10-29 Microsoft Corporation Digital video compression acceleration based on motion vectors produced by cameras
US8897359B2 (en) * 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US9854275B2 (en) * 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding

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JP2019146263A (ja) 2019-08-29
EP2843949B1 (en) 2020-04-29
EP3598751B1 (en) 2024-04-10
EP4366308A3 (en) 2024-07-10
JP2020115675A (ja) 2020-07-30
CN105359521A (zh) 2016-02-24
EP2843949A1 (en) 2015-03-04
JP6907373B2 (ja) 2021-07-21
JP2016528768A (ja) 2016-09-15
CN105359521B (zh) 2020-06-26
KR101721815B1 (ko) 2017-03-30
KR20160025598A (ko) 2016-03-08
EP3598751A2 (en) 2020-01-22
HK1208107A1 (en) 2016-02-19
EP4366308A2 (en) 2024-05-08
WO2014205561A1 (en) 2014-12-31
EP3598751A3 (en) 2020-04-08
JP6691253B2 (ja) 2020-04-28

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