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    • 81. 发明公开
    • Projection type image display system, information storage medium and image processing method
    • Projektionsbildanzeigesystem,Informationsspeichermedium und Bildverarbeitungsverfahren
    • EP1349388A2
    • 2003-10-01
    • EP03006170.9
    • 2003-03-19
    • SEIKO EPSON CORPORATION
    • Matsuda, Hideki, Seiko Epson CorporationFukasawa, Kenji, Seiko Epson Corporation
    • H04N5/74
    • H04N9/3182H04N5/74H04N9/3194H04N17/02
    • In order to provide a projection type image display system, information storage medium and image processing method which can reduce an unpleasantness to an observer in an image calibration when it is executed in consideration of the ambient light, a calibration information output section selects and outputs calibration information, a color light sensor then measures XYZ values in the respective projected calibration images, and a measurement data is then stored in a sensing value holding section, when a synchronizing signal judgment section judges that no synchronizing signal has been inputted. When all the color correcting measurement data have been provided, a 3D-LUT update section updates a 3D-LUT stored in the 3D-LUT storage section, based on the measurement data. When all the brightness correction measurement data have been provided, a 1D-LUT update section updates a 1D-LUT stored in a 1D-LUT storage section to execute the calibration, based on the measurement data.
    • 为了提供一种投影型图像显示系统,信息存储介质和图像处理方法,其可以在考虑到环境光时执行图像校准时减轻对观察者的不愉快,校准信息输出部分选择并输出校准 信息时,颜色光传感器然后测量相应的投影校准图像中的XYZ值,并且当同步信号判断部分判断为没有输入同步信号时,测量数据然后被存储在感测值保持部分中。 当已经提供了所有的色彩校正测量数据时,3D-LUT更新部分基于测量数据来更新存储在3D-LUT存储部分中的3D-LUT。 当提供了所有的亮度校正测量数据时,1D-LUT更新部分基于测量数据更新存储在1D-LUT存储部分中的1D-LUT,以执行校准。
    • 82. 发明公开
    • Color non-uniformity correction for lcos
    • 颜色非均匀性校正lcos
    • EP1330131A2
    • 2003-07-23
    • EP03290113.4
    • 2003-01-16
    • Thomson Licensing S.A.
    • Rumreich, Mark FrancisHutchinson, Daniel MarkHague, John Alan
    • H04N9/31
    • H04N9/68G09G3/20G09G3/2051G09G3/3607G09G3/3648G09G5/02G09G2320/0276G09G2320/0673H04N9/3182
    • A method (400) and a system (100) for providing video signals to video displays includes the steps of receiving at least one input video signal (150), dithering the non-uniformity color correction (445), applying the non-uniformity color correction to the input video signal to generate a color corrected video signal (450), and increasing a frame rate of the color corrected video signal (120). Gamma correction (125) can be applied to the color correction. Generating a dithered non-uniformity color correction can include selecting from a data storage (115) a plurality of RGB correction matrices (300), measuring at least one brightness level of the input video signal, selecting for the picture level correction a first RGB correction matrix if the brightness is within a first range of values (425), a second RGB correction matrix if the brightness is within a second range of values (435), and interpolating (440) the plurality of RGB correction matrices if the brightness is within a third range of values.
    • 一种用于向视频显示器提供视频信号的方法(400)和系统(100)包括以下步骤:接收至少一个输入视频信号(150);抖动不均匀颜色校正(445);将不均匀颜色 校正输入视频信号以生成色彩校正的视频信号(450),并且增加色彩校正的视频信号(120)的帧速率。 伽玛校正(125)可以应用于颜色校正。 生成抖动的不均匀颜色校正可以包括从数据存储器(115)中选择多个RGB校正矩阵(300),测量输入视频信号的至少一个亮度级,为图像级校正选择第一RGB校正 矩阵,如果亮度在第一值范围内(425),则如果亮度在第二值范围内(435)则为第二RGB校正矩阵,并且如果亮度在范围内,则内插(440)多个RGB校正矩阵 第三个数值范围。
    • 88. 发明公开
    • Improvements in or relating to image display systems
    • Projektionsbildanzeigesystem
    • EP0781055A2
    • 1997-06-25
    • EP96120656.2
    • 1996-12-20
    • TEXAS INSTRUMENTS INCORPORATED
    • Gove, Robert J.Kunzman, Adam J.
    • H04N9/31
    • H04N9/3188H04N9/312H04N9/3182H04N2005/7466
    • A baseline display system (10) is capable of receiving different types of input signals, analog or digital, having different horizontal and vertical input resolutions. The system uses serial video processors (SVPs) (33, 34, 43, 83) that have a given input size and spatial light modulators (SLMs) (18) that have a given output (display) resolution. The baseline system (10) is configurable to meet bandwidth requirements for displaying real time images on SLMs of increasing resolution.
      Data is decimated (downscaled) when appropriate to fit the SVP input size (FIGUREs 4 and 8) and upscaled, vertically or horizontally, when appropriate to fit the SLM display resolution (FIGUREs 3, 4, 7, and 8). Four systems (20, 50, 60, 90), each appropriate for a different SLM resolution are described.
    • 基线显示系统(10)能够接收具有不同水平和垂直输入分辨率的不同类型的模拟或数字输入信号。 该系统使用具有给定输入尺寸的串行视频处理器(33,34,43,83)和具有给定输出(显示)分辨率的空间光调制器(SLM)(18)。 基线系统(10)可配置为满足在增加分辨率的SLM上显示实时图像的带宽要求。 适当时适当调整SVP输入尺寸(图4和8)并放大(垂直或水平)数据,以适应SLM显示分辨率(图3,4,7和8),数据被抽取(缩小)。 描述了适用于不同SLM分辨率的四个系统(20,50,60,90)。