CN105379260B - 线性照度值与亮度代码之间的映射 - Google Patents

线性照度值与亮度代码之间的映射 Download PDF

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CN105379260B
CN105379260B CN201480040509.7A CN201480040509A CN105379260B CN 105379260 B CN105379260 B CN 105379260B CN 201480040509 A CN201480040509 A CN 201480040509A CN 105379260 B CN105379260 B CN 105379260B
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luminance
function
linear
code
values
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CN105379260A (zh
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R.J.范德维勒坦
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/741—Circuitry for compensating brightness variation in the scene by increasing the dynamic range of the image compared to the dynamic range of the electronic image sensors
    • 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
    • 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
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/82—Camera processing pipelines; Components thereof for controlling camera response irrespective of the scene brightness, e.g. gamma correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve
    • 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
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • 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
    • G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Studio Devices (AREA)
CN201480040509.7A 2013-07-16 2014-07-01 线性照度值与亮度代码之间的映射 Active CN105379260B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13176612 2013-07-16
EP13176612.3 2013-07-16
PCT/EP2014/063890 WO2015007510A1 (en) 2013-07-16 2014-07-01 Method and apparatus to create an eotf function for a universal code mapping for an hdr image, method and process to use these images

Publications (2)

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CN105379260A CN105379260A (zh) 2016-03-02
CN105379260B true CN105379260B (zh) 2019-11-01

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US (2) US10218917B2 (enExample)
EP (1) EP3022902B1 (enExample)
JP (1) JP6563915B2 (enExample)
CN (1) CN105379260B (enExample)
ES (1) ES2769593T3 (enExample)
PL (1) PL3022902T3 (enExample)
WO (1) WO2015007510A1 (enExample)

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CN106105177B (zh) * 2014-06-10 2019-09-27 松下知识产权经营株式会社 变换方法及变换装置
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WO2018047753A1 (ja) * 2016-09-09 2018-03-15 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
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CN106792178B (zh) * 2016-12-28 2020-01-14 深圳Tcl数字技术有限公司 电视机播放控制方法和装置
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JP6846307B2 (ja) * 2017-07-31 2021-03-24 日本放送協会 輝度調整用信号生成装置およびそのプログラム、ならびに、映像表示装置
US10778978B2 (en) * 2017-08-21 2020-09-15 Qualcomm Incorporated System and method of cross-component dynamic range adjustment (CC-DRA) in video coding
KR101941231B1 (ko) * 2017-10-31 2019-01-22 주식회사 한글과컴퓨터 색상 수정·보정방법 및 이를 이용하는 색상 수정·보정장치
US20200045341A1 (en) * 2018-07-31 2020-02-06 Ati Technologies Ulc Effective electro-optical transfer function encoding for limited luminance range displays
CN110855912B (zh) * 2018-08-21 2024-08-27 辉达公司 抑制hdr视频系统中的像素着色误差
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EP3764346A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Adjustment of display optimization behaviour for hdr images
KR102794423B1 (ko) 2019-11-15 2025-04-11 삼성전자주식회사 영상 제공 장치 및 이에 의한 영상 제공 방법, 및 디스플레이 장치 및 이에 의한 디스플레이 방법
US11356679B2 (en) * 2019-12-05 2022-06-07 Alibaba Group Holding Limited Method and apparatus for chroma sampling
US11935492B2 (en) * 2020-04-28 2024-03-19 Dolby Laboratories Licensing Corporation Image-dependent contrast and brightness control for HDR displays
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ES2769593T3 (es) 2020-06-26
EP3022902A1 (en) 2016-05-25
US20190098195A1 (en) 2019-03-28
CN105379260A (zh) 2016-03-02
US10218917B2 (en) 2019-02-26
US10419689B2 (en) 2019-09-17
JP6563915B2 (ja) 2019-08-21
PL3022902T3 (pl) 2020-06-29
JP2016533072A (ja) 2016-10-20
US20160150145A1 (en) 2016-05-26
EP3022902B1 (en) 2019-11-20
WO2015007510A1 (en) 2015-01-22

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