WO2009034757A1 - 画像表示装置および画像表示方法 - Google Patents

画像表示装置および画像表示方法 Download PDF

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Publication number
WO2009034757A1
WO2009034757A1 PCT/JP2008/060897 JP2008060897W WO2009034757A1 WO 2009034757 A1 WO2009034757 A1 WO 2009034757A1 JP 2008060897 W JP2008060897 W JP 2008060897W WO 2009034757 A1 WO2009034757 A1 WO 2009034757A1
Authority
WO
WIPO (PCT)
Prior art keywords
image signal
image
frame
pixel
period
Prior art date
Application number
PCT/JP2008/060897
Other languages
English (en)
French (fr)
Inventor
Tomoyuki Ishihara
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to US12/452,511 priority Critical patent/US8482579B2/en
Priority to CN2008801021224A priority patent/CN101779231B/zh
Priority to JP2009532093A priority patent/JP5221550B2/ja
Priority to EP08765607A priority patent/EP2187380A4/en
Publication of WO2009034757A1 publication Critical patent/WO2009034757A1/ja

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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
    • 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
    • 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
    • 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
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • 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
    • G09G2320/10—Special adaptations of display systems for operation with variable images
    • G09G2320/103—Detection of image changes, e.g. determination of an index representative of the image 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
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0435—Change or adaptation of the frame rate of the video stream
    • 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
    • G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
    • 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
    • G09G2360/18—Use of a frame buffer in a display terminal, inclusive of the display panel
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • G09G3/2025—Display of intermediate tones by time modulation using two or more time intervals using sub-frames the sub-frames having all the same time duration
    • 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
    • G09G3/3611—Control of matrices with row and column drivers

Abstract

　入力画像信号の画像信号レベルに関わらず、十分な動画品質を得ることができる画像表示装置である。本発明の画像表示装置は、一画面分の画像信号に対応するフレーム期間ごとに、各画素の画像信号に基づいて画像を表示する画像表示装置において、一つのフレーム期間を、少なくとも一つのサブフレームＡ期間と、少なくとも一つのサブフレームＢ期間とを含んだ複数の期間に分けるタイミングコントローラと、各画素に対する入力画像信号の画像信号レベルを、予め規定される下限値と予め規定される上限値との範囲内に収まるように変換する画像信号事前変換部と、サブフレームＡ期間において各画素の変換後の画像信号に対して平滑化処理を施す第１の画像処理部と、サブフレームＢ期間において各画素の変換後の画像信号に対して強調処理を施す第２の画像処理部と、各画素に対する画像信号に基づき画像を表示する画像表示部と、を備えている。
PCT/JP2008/060897 2007-09-14 2008-06-13 画像表示装置および画像表示方法 WO2009034757A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/452,511 US8482579B2 (en) 2007-09-14 2008-06-13 Image display device and image display method
CN2008801021224A CN101779231B (zh) 2007-09-14 2008-06-13 图像显示装置以及图像显示方法
JP2009532093A JP5221550B2 (ja) 2007-09-14 2008-06-13 画像表示装置および画像表示方法
EP08765607A EP2187380A4 (en) 2007-09-14 2008-06-13 IMAGE DISPLAY AND IMAGE DISPLAY METHOD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-240136 2007-09-14
JP2007240136 2007-09-14

Publications (1)

Publication Number Publication Date
WO2009034757A1 true WO2009034757A1 (ja) 2009-03-19

Family

ID=40451769

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060897 WO2009034757A1 (ja) 2007-09-14 2008-06-13 画像表示装置および画像表示方法

Country Status (5)

Country Link
US (1) US8482579B2 (ja)
EP (1) EP2187380A4 (ja)
JP (1) JP5221550B2 (ja)
CN (1) CN101779231B (ja)
WO (1) WO2009034757A1 (ja)

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CN101273399B (zh) * 2005-11-07 2012-10-31 夏普株式会社 图像显示方法和图像显示装置
EP2323123B1 (en) * 2008-08-22 2014-08-20 Sharp Kabushiki Kaisha Image signal processing device, image signal processing method, image display device, television receiver, and electronic device
JP5811602B2 (ja) 2010-12-16 2015-11-11 ソニー株式会社 画像生成装置、プログラム、画像表示システム、および画像表示装置
JP5535090B2 (ja) * 2011-01-04 2014-07-02 三菱電機株式会社 表示装置および表示装置の画面データ作成装置
US9526443B1 (en) 2013-01-19 2016-12-27 Bertec Corporation Force and/or motion measurement system and a method of testing a subject
US9770203B1 (en) 2013-01-19 2017-09-26 Bertec Corporation Force measurement system and a method of testing a subject
US10010286B1 (en) 2013-01-19 2018-07-03 Bertec Corporation Force measurement system
US9081436B1 (en) * 2013-01-19 2015-07-14 Bertec Corporation Force and/or motion measurement system and a method of testing a subject using the same
US10646153B1 (en) 2013-01-19 2020-05-12 Bertec Corporation Force measurement system
US10856796B1 (en) 2013-01-19 2020-12-08 Bertec Corporation Force measurement system
US11857331B1 (en) 2013-01-19 2024-01-02 Bertec Corporation Force measurement system
US11540744B1 (en) 2013-01-19 2023-01-03 Bertec Corporation Force measurement system
US11311209B1 (en) 2013-01-19 2022-04-26 Bertec Corporation Force measurement system and a motion base used therein
US10231662B1 (en) 2013-01-19 2019-03-19 Bertec Corporation Force measurement system
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CN104144345B (zh) * 2013-09-18 2016-08-17 腾讯科技（深圳）有限公司 在移动终端进行实时图像识别的方法及该移动终端
JP6317577B2 (ja) * 2013-12-04 2018-04-25 キヤノン株式会社 映像信号処理装置及びその制御方法
CN105741813B (zh) 2016-05-11 2018-01-12 京东方科技集团股份有限公司 用于图像处理的系统、方法及显示装置
WO2020170945A1 (ja) * 2019-02-20 2020-08-27 富士フイルム株式会社 表示制御装置、撮像装置、表示制御方法、及び表示制御プログラム
CN110364113A (zh) * 2019-06-24 2019-10-22 深圳市华星光电半导体显示技术有限公司 显示装置及其驱动方法

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Publication number Priority date Publication date Assignee Title
WO2011086877A1 (ja) * 2010-01-13 2011-07-21 パナソニック株式会社 映像処理装置及び映像表示装置

Also Published As

Publication number Publication date
EP2187380A1 (en) 2010-05-19
CN101779231B (zh) 2012-09-12
JPWO2009034757A1 (ja) 2010-12-24
US20100118044A1 (en) 2010-05-13
EP2187380A4 (en) 2011-05-04
US8482579B2 (en) 2013-07-09
CN101779231A (zh) 2010-07-14
JP5221550B2 (ja) 2013-06-26

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