JP6843844B2 - ビデオコーディングにおけるコンポーネントのレンジ調整の固定小数点実装 - Google Patents

ビデオコーディングにおけるコンポーネントのレンジ調整の固定小数点実装 Download PDF

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JP6843844B2
JP6843844B2 JP2018514786A JP2018514786A JP6843844B2 JP 6843844 B2 JP6843844 B2 JP 6843844B2 JP 2018514786 A JP2018514786 A JP 2018514786A JP 2018514786 A JP2018514786 A JP 2018514786A JP 6843844 B2 JP6843844 B2 JP 6843844B2
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video
parameters
scale
video data
parameter
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JP2018533278A (ja
JP2018533278A5 (enExample
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ラマスブラモニアン、アダルシュ・クリシュナン
ルサノフスキー、ドミトロ
ソール・ロジャルス、ジョエル
リ、ソンウォン
ブーダイジュ・シャンスル、ドネ
カルチェビチ、マルタ
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Qualcomm Inc
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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
    • H04N19/189—Methods 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
    • H04N19/196—Methods 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 being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • H04N19/187—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 scalable video layer

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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)
  • Picture Signal Circuits (AREA)
JP2018514786A 2015-09-21 2016-09-20 ビデオコーディングにおけるコンポーネントのレンジ調整の固定小数点実装 Active JP6843844B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201562221586P 2015-09-21 2015-09-21
US62/221,586 2015-09-21
US201562236804P 2015-10-02 2015-10-02
US62/236,804 2015-10-02
US201562241063P 2015-10-13 2015-10-13
US62/241,063 2015-10-13
US15/269,558 US10244249B2 (en) 2015-09-21 2016-09-19 Fixed point implementation of range adjustment of components in video coding
US15/269,558 2016-09-19
PCT/US2016/052633 WO2017053277A1 (en) 2015-09-21 2016-09-20 Fixed point implementation of range adjustment of components in video coding

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JP2018533278A JP2018533278A (ja) 2018-11-08
JP2018533278A5 JP2018533278A5 (enExample) 2019-10-03
JP6843844B2 true JP6843844B2 (ja) 2021-03-17

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US (2) US10244249B2 (enExample)
EP (1) EP3354025B1 (enExample)
JP (1) JP6843844B2 (enExample)
KR (1) KR102824171B1 (enExample)
CN (1) CN108028936B9 (enExample)
AU (2) AU2016328638A1 (enExample)
ES (1) ES2967321T3 (enExample)
PL (1) PL3354025T3 (enExample)
TW (1) TWI736555B (enExample)
WO (1) WO2017053277A1 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102631484B1 (ko) * 2015-01-27 2024-01-30 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 이미지들 및 비디오의 전기-광학 및 광-전기 변환을 위한 방법들, 시스템들 및 장치
US10129558B2 (en) * 2015-09-21 2018-11-13 Qualcomm Incorporated Supplement enhancement information (SEI) messages for high dynamic range and wide color gamut video coding
US10244249B2 (en) 2015-09-21 2019-03-26 Qualcomm Incorporated Fixed point implementation of range adjustment of components in video coding
JP6519441B2 (ja) * 2015-10-22 2019-05-29 ソニー株式会社 送信装置、送信方法、受信装置および受信方法
WO2017135673A1 (ko) * 2016-02-01 2017-08-10 엘지전자 주식회사 방송 신호 송신 장치, 방송 신호 수신 장치, 방송 신호 송신 방법, 및 방송 신호 수신 방법
WO2018066982A1 (ko) * 2016-10-04 2018-04-12 김기백 영상 데이터 부호화/복호화 방법 및 장치
US20210297680A1 (en) * 2016-10-12 2021-09-23 Telefonaktiebolaget Lm Ericsson (Publ) Residual refinement of color components
WO2018070822A1 (ko) * 2016-10-14 2018-04-19 엘지전자 주식회사 적응적 영상 재생을 위한 데이터 처리 방법 및 장치
KR102554379B1 (ko) * 2016-10-31 2023-07-11 엘지디스플레이 주식회사 하이 다이나믹 레인지 영상 처리 방법 및 영상 처리 모듈과 그를 이용한 표시 장치
US10728559B2 (en) * 2017-07-07 2020-07-28 Qualcomm Incorporated Precision of computation and signaling of dynamic range adjustment and color remapping information
US10778978B2 (en) * 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
US10681358B2 (en) * 2017-12-19 2020-06-09 Qualcomm Incorporated Quantization parameter control for video coding with joined pixel/transform based quantization
US11303912B2 (en) * 2018-04-18 2022-04-12 Qualcomm Incorporated Decoded picture buffer management and dynamic range adjustment
CN108596328B (zh) * 2018-04-26 2021-02-02 北京市商汤科技开发有限公司 一种定点化方法及装置、计算机设备
TWI808970B (zh) 2018-04-30 2023-07-21 圓剛科技股份有限公司 影像訊號轉換裝置
US11064196B2 (en) * 2018-09-03 2021-07-13 Qualcomm Incorporated Parametrizable, quantization-noise aware bilateral filter for video coding
KR102784625B1 (ko) * 2018-11-01 2025-03-19 세종대학교산학협력단 칼라 좌표축 변환을 이용한 영상 부호화/복호화 방법 및 장치
WO2020231139A1 (ko) * 2019-05-16 2020-11-19 엘지전자 주식회사 루마 맵핑 및 크로마 스케일링 기반 비디오 또는 영상 코딩
US11558616B2 (en) * 2020-03-05 2023-01-17 Qualcomm Incorporated Methods for quantization parameter control for video coding with joined pixel/transform based quantization
JP7416974B2 (ja) * 2020-03-30 2024-01-17 バイトダンス インコーポレイテッド 映像コーディングにおけるスライスタイプ
US11533512B2 (en) * 2020-04-10 2022-12-20 Qualcomm Incorporated Dynamic range adjustment parameter signaling and enablement of variable bit depth support
US11375212B2 (en) * 2020-04-18 2022-06-28 Qualcomm Incorporated Flexible chroma processing for dynamic range adjustment
KR20250024130A (ko) 2020-05-22 2025-02-18 두인 비전 컴퍼니 리미티드 서브-비트스트림 추출에서 코딩된 비디오의 핸들링
EP4229869A1 (en) 2020-10-14 2023-08-23 Dolby Laboratories Licensing Corporation Color transformation for hdr video with a coding-efficiency constraint
KR102847073B1 (ko) * 2020-10-21 2025-08-19 삼성디스플레이 주식회사 하이 다이내믹 레인지 후-처리 장치, 및 이를 포함하는 표시 장치
TWI909057B (zh) * 2021-06-02 2025-12-21 美商杜拜研究特許公司 用於表示一個三維場景及其深度平面資料之方法、編碼器及顯示裝置
CN113489930B (zh) * 2021-06-10 2024-03-19 中央广播电视总台 一种视频信号处理方法、装置及存储介质
JP7666875B2 (ja) 2021-06-29 2025-04-22 ドルビー ラボラトリーズ ライセンシング コーポレイション ビデオコーディングにおけるメタデータメッセージングの処理優先順位のシグナリング
CN115811616B (zh) * 2021-09-15 2026-06-19 华为技术有限公司 一种视频编码、解码方法及装置
EP4406223A4 (en) * 2021-09-22 2025-07-16 Beijing Dajia Internet Information Tech Co Ltd METHODS AND DEVICES FOR INTRA MODE DERIVATION ON THE DECODER SIDE
US12368900B2 (en) * 2023-04-12 2025-07-22 Sharp Kabushiki Kaisha Systems and methods for performing motion compensation in video coding

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070011335A (ko) * 2004-04-01 2007-01-24 마쯔시다덴기산교 가부시키가이샤 영상음성 처리용 집적회로
US8014445B2 (en) 2006-02-24 2011-09-06 Sharp Laboratories Of America, Inc. Methods and systems for high dynamic range video coding
BRPI1009443B1 (pt) 2009-03-13 2021-08-24 Dolby Laboratories Licensing Corporation Método de geração de parâmetros de mapeamento de tons inverso, método de compactação de dados de vídeo e método para geração de um fluxo de bits de saída a partir de um fluxo de bits de entrada
US8995527B2 (en) 2010-02-19 2015-03-31 Qualcomm Incorporated Block type signalling in video coding
EP2445214A1 (en) * 2010-10-19 2012-04-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Video coding using temporally coherent dynamic range mapping
UA109312C2 (uk) 2011-03-04 2015-08-10 Імпульсно-кодова модуляція з квантуванням при кодуванні відеоінформації
US9036042B2 (en) * 2011-04-15 2015-05-19 Dolby Laboratories Licensing Corporation Encoding, decoding, and representing high dynamic range images
TWI521973B (zh) * 2011-04-15 2016-02-11 杜比實驗室特許公司 高動態範圍影像的編碼、解碼及表示
JP6009538B2 (ja) 2011-04-28 2016-10-19 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｈｄｒ画像を符号化及び復号するための装置及び方法
US8891863B2 (en) * 2011-06-13 2014-11-18 Dolby Laboratories Licensing Corporation High dynamic range, backwards-compatible, digital cinema
US9363535B2 (en) 2011-07-22 2016-06-07 Qualcomm Incorporated Coding motion depth maps with depth range variation
CN102333223A (zh) 2011-10-25 2012-01-25 北京华兴宏视技术发展有限公司 视频数据编码方法、解码方法、编码系统和解码系统
CN103918274B (zh) * 2011-11-01 2015-08-26 杜比实验室特许公司 对具有扩展动态范围的图像的分层编码中的自适应伪轮廓预防
TWI575933B (zh) * 2011-11-04 2017-03-21 杜比實驗室特許公司 階層式視覺動態範圍編碼中之層分解技術
TWI586150B (zh) * 2012-06-29 2017-06-01 新力股份有限公司 影像處理裝置及非暫態電腦可讀儲存媒體
US9426462B2 (en) 2012-09-21 2016-08-23 Qualcomm Incorporated Indication and activation of parameter sets for video coding
EP2898694B1 (en) * 2012-09-24 2019-06-19 Huawei Technologies Co., Ltd. Video compression with color space scalability
US9319703B2 (en) 2012-10-08 2016-04-19 Qualcomm Incorporated Hypothetical reference decoder parameter syntax structure
CN105027567A (zh) 2013-01-07 2015-11-04 诺基亚技术有限公司 用于视频编码和解码的方法和装置
US20140218473A1 (en) 2013-01-07 2014-08-07 Nokia Corporation Method and apparatus for video coding and decoding
EP2819414A3 (en) 2013-06-28 2015-02-25 Samsung Electronics Co., Ltd Image processing device and image processing method
AU2013206815A1 (en) * 2013-07-11 2015-03-05 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data
RU2670782C9 (ru) 2013-07-18 2018-11-23 Конинклейке Филипс Н.В. Способы и устройства для создания функций отображения кода для кодирования изображения hdr и способы и устройства для использования таких кодированных изображений
TWI713355B (zh) * 2013-09-03 2020-12-11 日商新力股份有限公司 解碼裝置、解碼方法、顯示裝置、及顯示方法
KR101797505B1 (ko) * 2013-11-13 2017-12-12 엘지전자 주식회사 Hdr 방송 서비스 제공을 위한 방송 신호 송수신 방법 및 장치
US9277196B2 (en) * 2014-02-19 2016-03-01 DDD IP Ventures, Ltd. Systems and methods for backward compatible high dynamic range/wide color gamut video coding and rendering
US10469849B2 (en) * 2014-10-07 2019-11-05 Trellis Europe Srl Video and image encoding process
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
CN107111980B (zh) * 2014-12-11 2021-03-09 皇家飞利浦有限公司 针对特定显示器优化高动态范围图像
US9942551B2 (en) 2015-01-30 2018-04-10 Qualcomm Incorporated Palette index grouping for video coding
US20160309154A1 (en) 2015-04-17 2016-10-20 Qualcomm Incorporated Dynamic range adjustment for high dynamic range and wide color gamut video coding
US10244245B2 (en) 2015-06-08 2019-03-26 Qualcomm Incorporated Content-adaptive application of fixed transfer function to high dynamic range (HDR) and/or wide color gamut (WCG) video data
US10542289B2 (en) * 2015-07-16 2020-01-21 Dolby Laboratories Licensing Corporation Signal reshaping and coding for HDR and wide color gamut signals
WO2017015564A1 (en) * 2015-07-22 2017-01-26 Arris Enterprises Llc System for coding high dynamic range and wide color gamut sequences
US10244249B2 (en) 2015-09-21 2019-03-26 Qualcomm Incorporated Fixed point implementation of range adjustment of components in video coding
US10129558B2 (en) 2015-09-21 2018-11-13 Qualcomm Incorporated Supplement enhancement information (SEI) messages for high dynamic range and wide color gamut video coding
US10200690B2 (en) 2015-09-22 2019-02-05 Qualcomm Incorporated Video decoder conformance for high dynamic range (HDR) video coding using a core video standard
US20170105014A1 (en) 2015-10-08 2017-04-13 Qualcomm Incorporated Luma-driven chroma scaling for high dynamic range and wide color gamut contents
US10200701B2 (en) 2015-10-14 2019-02-05 Qualcomm Incorporated HDR and WCG coding architecture with SDR backwards compatibility in a single bitstream for video coding
US11228770B2 (en) 2016-05-16 2022-01-18 Qualcomm Incorporated Loop sample processing for high dynamic range and wide color gamut video coding
US10574959B2 (en) 2017-07-05 2020-02-25 Qualcomm Incorporated Color remapping for non-4:4:4 format video content
US10778978B2 (en) 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
US11095896B2 (en) 2017-10-12 2021-08-17 Qualcomm Incorporated Video coding with content adaptive spatially varying quantization
US10681358B2 (en) 2017-12-19 2020-06-09 Qualcomm Incorporated Quantization parameter control for video coding with joined pixel/transform based quantization
US10778979B2 (en) 2018-01-11 2020-09-15 Qualcomm Incorporated Signaling mechanisms for equal ranges and other DRA parameters for video coding

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JP2018533278A (ja) 2018-11-08
TWI736555B (zh) 2021-08-21
EP3354025B1 (en) 2023-12-13
EP3354025A1 (en) 2018-08-01
US20190191174A1 (en) 2019-06-20
WO2017053277A1 (en) 2017-03-30
US10244249B2 (en) 2019-03-26
CN108028936B (zh) 2022-01-18
TW201722154A (zh) 2017-06-16
AU2021200087B2 (en) 2022-04-14
EP3354025C0 (en) 2023-12-13
US11128878B2 (en) 2021-09-21
KR20180054782A (ko) 2018-05-24
KR102824171B1 (ko) 2025-06-23
CN108028936A (zh) 2018-05-11
ES2967321T3 (es) 2024-04-29
CN108028936B9 (zh) 2023-10-13
PL3354025T3 (pl) 2024-04-02
US20170085894A1 (en) 2017-03-23
AU2016328638A1 (en) 2018-04-26
AU2021200087A1 (en) 2021-03-18

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