HK1179041A1 - 在局部調光顯示器上顯示圖像 - Google Patents

在局部調光顯示器上顯示圖像

Info

Publication number
HK1179041A1
HK1179041A1 HK13105743.4A HK13105743A HK1179041A1 HK 1179041 A1 HK1179041 A1 HK 1179041A1 HK 13105743 A HK13105743 A HK 13105743A HK 1179041 A1 HK1179041 A1 HK 1179041A1
Authority
HK
Hong Kong
Prior art keywords
local
displaying images
dimming displays
dimming
displays
Prior art date
Application number
HK13105743.4A
Other languages
English (en)
Inventor
Ajit Ninan
Wenhui Jia
Original Assignee
Dolby Laboratories Licensing Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of HK1179041A1 publication Critical patent/HK1179041A1/zh

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
    • G06T5/92—
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • 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
    • G06T2207/20212—Image combination
    • 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
    • G09G2320/0238—Improving the black level
    • 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
    • G09G2320/0242—Compensation of deficiencies in the appearance of colours
    • 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
    • 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
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • 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
    • G09G2340/02—Handling of images in compressed format, e.g. JPEG, MPEG
    • 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
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
HK13105743.4A 2010-06-21 2013-05-14 在局部調光顯示器上顯示圖像 HK1179041A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35704410P 2010-06-21 2010-06-21
PCT/US2011/041043 WO2011163114A1 (en) 2010-06-21 2011-06-20 Displaying images on local-dimming displays

Publications (1)

Publication Number Publication Date
HK1179041A1 true HK1179041A1 (zh) 2013-09-19

Family

ID=44628388

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13105743.4A HK1179041A1 (zh) 2010-06-21 2013-05-14 在局部調光顯示器上顯示圖像

Country Status (5)

Country Link
US (2) US9576555B2 (zh)
EP (2) EP3051530B1 (zh)
CN (1) CN102947876B (zh)
HK (1) HK1179041A1 (zh)
WO (1) WO2011163114A1 (zh)

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US9390681B2 (en) * 2012-09-11 2016-07-12 Apple Inc. Temporal filtering for dynamic pixel and backlight control
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WO2015097118A1 (en) * 2013-12-27 2015-07-02 Thomson Licensing Method and device for encoding a high-dynamic range image into a bitstream and/or decoding a bitstream representing a high-dynamic range image
WO2015097134A1 (en) * 2013-12-27 2015-07-02 Thomson Licensing Method and device for encoding a high-dynamic range image and/or decoding a bitstream
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WO2015193114A1 (en) * 2014-06-20 2015-12-23 Thomson Licensing Method and device for signaling in a bitstream a picture/video format of an ldr picture and a picture/video format of a decoded hdr picture obtained from said ldr picture and an illumination picture
EP2958328A1 (en) * 2014-06-20 2015-12-23 Thomson Licensing Method and device for signaling in a bitstream a picture/video format of an LDR picture and a picture/video format of a decoded HDR picture obtained from said LDR picture and an illumination picture
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JP2016110158A (ja) * 2016-01-25 2016-06-20 キヤノン株式会社 表示装置、表示装置の制御方法、プログラム、及び、処理装置
US10275864B2 (en) * 2016-09-09 2019-04-30 Kabushiki Kaisha Toshiba Image processing device and image processing method
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US10104334B2 (en) 2017-01-27 2018-10-16 Microsoft Technology Licensing, Llc Content-adaptive adjustment of display device brightness levels when rendering high dynamic range content
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JP2018180333A (ja) * 2017-04-14 2018-11-15 株式会社ジャパンディスプレイ 表示装置及び表示モジュール
US11347296B2 (en) * 2017-07-25 2022-05-31 Dell Products, L.P. Backlight dimming via buck-boost conversion in an information handling system
CN108198152B (zh) * 2018-02-07 2020-05-12 Oppo广东移动通信有限公司 图像处理方法和装置、电子设备、计算机可读存储介质
CN108597435B (zh) * 2018-04-28 2021-10-29 京东方科技集团股份有限公司 用于控制显示面板的显示的方法及其装置、显示装置
US10957024B2 (en) 2018-10-30 2021-03-23 Microsoft Technology Licensing, Llc Real time tone mapping of high dynamic range image data at time of playback on a lower dynamic range display
KR102608147B1 (ko) 2018-12-05 2023-12-01 삼성전자주식회사 디스플레이 장치 및 그 구동 방법
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Also Published As

Publication number Publication date
WO2011163114A1 (en) 2011-12-29
CN102947876A (zh) 2013-02-27
EP3051530A1 (en) 2016-08-03
EP3051530B1 (en) 2022-08-31
US20170162173A1 (en) 2017-06-08
CN102947876B (zh) 2016-09-14
US10121454B2 (en) 2018-11-06
US20130100178A1 (en) 2013-04-25
US9576555B2 (en) 2017-02-21
EP2583272B1 (en) 2016-01-20
EP2583272A1 (en) 2013-04-24

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