CN112272947A - 一种视频信号处理的方法及装置 - Google Patents

一种视频信号处理的方法及装置 Download PDF

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CN112272947A
CN112272947A CN201980025155.1A CN201980025155A CN112272947A CN 112272947 A CN112272947 A CN 112272947A CN 201980025155 A CN201980025155 A CN 201980025155A CN 112272947 A CN112272947 A CN 112272947A
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signal
linear
brightness
luminance
display
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CN112272947B (zh
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王正
袁乐
吴仁坚
黄芳
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/67—Circuits for processing colour signals for matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/20—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0428—Gradation resolution change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Processing Of Color Television Signals (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Image Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

本申请实施例公开了一种视频信号处理的方法，该方法包括：获得第一线性亮度信号，该第一线性亮度信号基于待处理视频信号对应的第一线性红绿蓝RGB信号获得；将该第一线性亮度信号转换为第一非线性亮度信号；对该第一非线性亮度信号进行分段亮度映射，以得到第二非线性亮度信号；将该第二非线性亮度信号转换为第二线性亮度信号；计算该第二线性亮度信号与该第一线性亮度信号的亮度增益；基于该亮度增益和该第一线性RGB信号的乘积，获得该待处理视频信号对应的RGB显示信号；该方法将亮度信号转换到非线性空间上进行分段亮度映射，改善了视频信号在显示设备上的显示效果。

Description

PCT国内申请，说明书已公开。

Claims (25)

  1. PCT国内申请，权利要求书已公开。
CN201980025155.1A 2018-07-05 2019-06-10 一种视频信号处理的方法、装置及计算机可读存储介质 Active CN112272947B (zh)

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CN201810797968X 2018-07-19
CN201810797968.XA CN108900823B (zh) 2018-07-05 2018-07-19 一种视频信号处理的方法及装置
PCT/CN2019/090566 WO2020007165A1 (zh) 2018-07-05 2019-06-10 一种视频信号处理的方法及装置

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114898722A (zh) * 2022-05-25 2022-08-12 深圳创维－Rgb电子有限公司 画面显示方法、装置、设备及计算机可读存储介质
CN115063325A (zh) * 2022-08-17 2022-09-16 中央广播电视总台 一种视频信号处理方法、装置、计算机设备和存储介质
CN115564659A (zh) * 2022-02-28 2023-01-03 荣耀终端有限公司 视频处理方法和装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108900823B (zh) * 2018-07-05 2019-07-12 华为技术有限公司 一种视频信号处理的方法及装置
CN109616037A (zh) * 2018-12-18 2019-04-12 Oppo广东移动通信有限公司 显示屏的显示校准方法、电子装置及计算机可读存储介质
US11405582B2 (en) * 2019-06-28 2022-08-02 Meta Platforms, Inc. Preprocessing of high-dynamic-range video using a hybrid lookup table scheme
CN110691239B (zh) * 2019-12-11 2020-05-19 武汉精立电子技术有限公司 一种hdr显示模组检测方法、装置及电子设备
US11688361B2 (en) * 2020-06-19 2023-06-27 Apple Inc. Quantifying performance of a display device
CN112750086A (zh) * 2020-08-31 2021-05-04 腾讯科技（深圳）有限公司 一种图像处理方法、装置、电子设备及存储介质
JP2022135678A (ja) * 2021-03-05 2022-09-15 キヤノン株式会社 画像処理装置、撮像装置、制御方法及びプログラム
US11508331B1 (en) * 2021-04-28 2022-11-22 Novatek Microelectronics Corp. Image uniformity compensation device
CN113676773B (zh) * 2021-08-16 2023-11-14 广州虎牙信息科技有限公司 一种视频播放方法、系统、装置、计算机设备和存储介质
TWI788983B (zh) * 2021-08-30 2023-01-01 瑞昱半導體股份有限公司 視訊訊號處理裝置與方法
US11769464B2 (en) * 2021-09-02 2023-09-26 Arm Limited Image processing
WO2023064426A1 (en) * 2021-10-13 2023-04-20 Freedom Scientific, Inc. Apparatus and method for reducing photophobia in electronic screens
CN114466147B (zh) * 2021-12-23 2024-03-15 阿里巴巴（中国）有限公司 一种视频亮度的调整方法、装置、电子设备以及存储介质
CN115762404B (zh) * 2023-01-10 2023-04-07 禹创半导体(深圳)有限公司 Oled调光的dbv重新映射方法、装置和oled显示设备
CN117440118A (zh) * 2023-10-23 2024-01-23 镕铭微电子(上海)有限公司 图像处理方法、装置、电子设备及存储介质

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105794216A (zh) * 2014-09-08 2016-07-20 索尼公司 图像处理设备和图像处理方法
CN106780402A (zh) * 2017-01-16 2017-05-31 聚龙智瞳科技有限公司 基于Bayer格式的图像动态范围扩展方法及装置
CN106878964A (zh) * 2015-12-14 2017-06-20 中国电信股份有限公司江苏电子渠道运营中心 基于短信信道的鉴权系统和方法
CN107046628A (zh) * 2017-03-15 2017-08-15 四川长虹电器股份有限公司 一种低亮度8k电视机显示hdr效果的方法
CN107211079A (zh) * 2015-12-17 2017-09-26 皇家飞利浦有限公司 用于图像和视频的动态范围编码
CN107203974A (zh) * 2016-03-16 2017-09-26 汤姆逊许可公司 扩展的高动态范围hdr到hdr色调映射的方法、装置和系统
CN108009993A (zh) * 2016-10-31 2018-05-08 乐金显示有限公司 处理高动态范围图像的方法和模块以及使用其的显示设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI466093B (zh) * 2007-06-26 2014-12-21 Apple Inc 用於視訊播放的管理技術
US8285059B2 (en) * 2008-05-20 2012-10-09 Xerox Corporation Method for automatic enhancement of images containing snow
JP5275122B2 (ja) * 2008-05-30 2013-08-28 パナソニック株式会社 ダイナミックレンジ圧縮装置、ダイナミックレンジ圧縮方法、プログラム、集積回路および撮像装置
US8270759B2 (en) * 2008-06-16 2012-09-18 International Business Machines Corporation Transformation of a video image from a high dynamic range image to a low dynamic range image
KR102060604B1 (ko) * 2013-02-28 2019-12-31 삼성디스플레이 주식회사 휘도 조절부, 이를 포함하는 표시 장치 및 이를 이용한 휘도 조절 방법
MX357792B (es) 2014-06-10 2018-07-25 Panasonic Ip Man Co Ltd Sistema de visualizacion, metodo de visualizacion y aparato de visualizacion.
US20160309154A1 (en) 2015-04-17 2016-10-20 Qualcomm Incorporated Dynamic range adjustment for high dynamic range and wide color gamut video coding
GB2539917B (en) * 2015-06-30 2021-04-07 British Broadcasting Corp Method and apparatus for conversion of HDR signals
US11182882B2 (en) * 2015-07-16 2021-11-23 Interdigital Madison Patent Holdings, Sas Method and device for tone-mapping a picture by using a parametric tone-adjustment function
CN106878694B (zh) * 2015-12-10 2018-12-18 瑞昱半导体股份有限公司 高动态范围信号处理系统与方法
CN105516674B (zh) * 2015-12-24 2018-06-05 潮州响石数码技术有限公司 一种具有hdr显示功能的监视设备
JP7054851B2 (ja) * 2016-09-09 2022-04-15 パナソニックＩｐマネジメント株式会社 表示装置および信号処理方法
EP3389278B1 (en) * 2016-11-22 2022-10-12 Saturn Licensing, LLC Transmitting device, transmitting method, receiving device and receiving method
CN108090879B (zh) * 2017-12-12 2020-11-10 上海顺久电子科技有限公司 一种对输入的高动态范围图像进行处理的方法和显示设备
CN110691277B (zh) * 2018-07-05 2024-03-05 华为技术有限公司 视频信号的处理方法及装置
CN108900823B (zh) * 2018-07-05 2019-07-12 华为技术有限公司 一种视频信号处理的方法及装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105794216A (zh) * 2014-09-08 2016-07-20 索尼公司 图像处理设备和图像处理方法
CN106878964A (zh) * 2015-12-14 2017-06-20 中国电信股份有限公司江苏电子渠道运营中心 基于短信信道的鉴权系统和方法
CN107211079A (zh) * 2015-12-17 2017-09-26 皇家飞利浦有限公司 用于图像和视频的动态范围编码
CN107203974A (zh) * 2016-03-16 2017-09-26 汤姆逊许可公司 扩展的高动态范围hdr到hdr色调映射的方法、装置和系统
CN108009993A (zh) * 2016-10-31 2018-05-08 乐金显示有限公司 处理高动态范围图像的方法和模块以及使用其的显示设备
CN106780402A (zh) * 2017-01-16 2017-05-31 聚龙智瞳科技有限公司 基于Bayer格式的图像动态范围扩展方法及装置
CN107046628A (zh) * 2017-03-15 2017-08-15 四川长虹电器股份有限公司 一种低亮度8k电视机显示hdr效果的方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115564659A (zh) * 2022-02-28 2023-01-03 荣耀终端有限公司 视频处理方法和装置
CN115564659B (zh) * 2022-02-28 2024-04-05 荣耀终端有限公司 视频处理方法和装置
CN114898722A (zh) * 2022-05-25 2022-08-12 深圳创维－Rgb电子有限公司 画面显示方法、装置、设备及计算机可读存储介质
CN115063325A (zh) * 2022-08-17 2022-09-16 中央广播电视总台 一种视频信号处理方法、装置、计算机设备和存储介质

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US20210152801A1 (en) 2021-05-20
CN108900823A (zh) 2018-11-27
EP3796648A4 (en) 2021-06-02
WO2020007165A1 (zh) 2020-01-09
JP2021529339A (ja) 2021-10-28
KR102511572B1 (ko) 2023-03-17
US11317071B2 (en) 2022-04-26
CN108900823B (zh) 2019-07-12
KR20210019076A (ko) 2021-02-19
JP7115776B2 (ja) 2022-08-09
CN112272947B (zh) 2022-05-13
EP3796648A1 (en) 2021-03-24

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