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    • 11. 发明授权
    • Projection control system, projector and projection control method
    • 投影控制系统,投影机和投影控制方法
    • US07524070B2
    • 2009-04-28
    • US11319269
    • 2005-12-29
    • Hideki MatsudaMasanobu KobayashiOsamu Wada
    • Hideki MatsudaMasanobu KobayashiOsamu Wada
    • G03B21/14
    • H04N9/3185G03B21/142
    • A projector includes a projection angle deriving section which generates projection angle information indicating an angle formed by a projection target area and projection light projected onto the projection target area; a projection distance deriving section which generates projection distance information indicating a distance from an aim area in the projection target area to a projection section which projects the projection light; a control information generation section which generates direction control information for aligning a projection direction of the projection light with a normal direction of the projection target area based on the projection angle information, and generates projection section control information for controlling the projection section so that the projection light is projected onto the aim area based on the projection distance information; a pedestal driver section which drives a pedestal which adjusts the projection direction of the projection light based on the direction control information; a control section which controls the projection section based on the projection section control information; and the projection section.
    • 投影仪包括:投影角度导出部,其生成投影角度信息,该投影角度信息表示由投影对象区域形成的角度;投影光投射到投影对象区域; 投影距离导出部,其生成表示从投影对象区域中的目标区域到投影投影光的投影部的距离的投影距离信息; 控制信息生成部,其基于投影角度信息生成用于使投影光的投影方向与投影对象区域的法线方向对齐的方向控制信息,并且生成用于控制投影部的投影部控制信息,使得投影部 基于投影距离信息将光投射到目标区域上; 基座驱动器部,其驱动基于所述方向控制信息来调整投影光的投影方向的基座; 控制部,其基于所述投影部控制信息来控制所述投影部; 和投影部。
    • 13. 发明授权
    • Image processing system, projector, information storage medium, and image processing method
    • 图像处理系统,投影机,信息存储介质和图像处理方法
    • US07245307B2
    • 2007-07-17
    • US11372262
    • 2006-03-10
    • Hideki Matsuda
    • Hideki Matsuda
    • G09G5/02
    • H04N9/3182G09G3/002G09G5/02G09G2320/0666G09G2360/144G09G2360/145H04N9/3194
    • In order to provide an image processing system and the like that can reproduce colors more appropriately, a projector is provided with a calibration signal generation section that generates a calibration signal for a white image and calibration signals for three subtracted-primary-color images, each of which is obtained by subtracting a predetermined input value from the RGB values of a predetermined primary color, one of plurality of kinds of primary colors that together form white; an image projection section for displaying each calibration image, based on the corresponding calibration signal; a sensing section for sensing each displayed calibration image; a primary-color amount information generation section for calculating a difference between sensing signal values and calculating an image signal value for the highest output value of each of the RGB colors, based on that difference; an ambient-light amount information generation section for calculating an ambient-light amount based on differences between image signal values; and a correction information generation section for generating correction information for applying corrections, based on the highest output value for each of the RGB colors and the ambient-light amount.
    • 为了提供能够更适当地再现颜色的图像处理系统等,投影仪设置有校准信号生成部,其生成用于白色图像的校准信号和三个相减原色图像的校准信号,每个 通过从预定原色的RGB值中减去一起形成白色的多种基色中的一种来获得预定输入值; 图像投影部分,用于基于相应的校准信号显示每个校准图像; 感测部分,用于感测每个显示的校准图像; 原色量信息生成部,其基于该差计算感测信号值之间的差异,并计算每个RGB颜色的最高输出值的图像信号值; 环境光量信息生成部,其基于图像信号值之差计算环境光量; 以及校正信息生成部分,用于基于RGB颜色和环境光量中的每一个的最高输出值产生用于应用校正的校正信息。
    • 14. 发明授权
    • Image processing system, projector, image processing method, and information storage medium
    • 图像处理系统,投影仪,图像处理方法和信息存储介质
    • US07221792B2
    • 2007-05-22
    • US10438849
    • 2003-05-16
    • Hideki MatsudaMasashi Kanai
    • Hideki MatsudaMasashi Kanai
    • G06K9/00
    • H04N9/3182H04N5/58H04N5/74H04N9/3194H04N9/73H04N17/04
    • In order to provide an image processing system and the like which can reduce calibration time, the image processing system comprises: a device profile storage section which stores ideal-environment-measurement data; a light separating section which derives output light data indicating output light from an image projecting section and ambient light data based on a difference between first and second viewing-environment-measurement data measured through a sensor, a projection-plane-reflectance estimating section which estimates a reflectance of a projection plane, based on the output light data and the ideal environment-measurement data; a sensing data generating section which generates viewing-environment-estimation data based on the reflectance, the ideal-environment-measurement data and the ambient light data; an LUT generating section which updates an LUT based on the viewing-environment-estimation data; and a correcting section which corrects image information based on the updated LUT.
    • 为了提供可以减少校准时间的图像处理系统等,图像处理系统包括:存储理想环境测量数据的设备简档存储部分; 基于通过传感器测量的第一观测环境测量数据和第二观测环境测量数据之间的差异,导出指示来自图像投影部分的输出光的输出光数据和环境光数据的光分离部分,其估计 基于输出光数据和理想环境测量数据的投影面的反射率; 感测数据生成部,其基于反射率,理想环境测量数据和环境光数据生成观看环境估计数据; LUT生成部,其基于观察环境估计数据更新LUT; 以及校正部分,其基于更新的LUT校正图像信息。
    • 15. 发明授权
    • Image processing system, projector, program, information storage medium, and image processing method
    • 图像处理系统,投影机,程序,信息存储介质和图像处理方法
    • US07170535B2
    • 2007-01-30
    • US10752694
    • 2004-01-08
    • Hideki Matsuda
    • Hideki Matsuda
    • G09G5/10
    • H04N9/3182H04N9/73
    • In order to provide an image processing system that can correct color non-uniformity due to deterioration with time in a more appropriate manner, a projector is provided with an image projection section which displays a calibration image; a sensing section which senses the displayed calibration image; an area detection section which detects an image display area based on sensing information, and also divides the image display area into a plurality of target areas; a brightness information generation section which generates brightness information which indicates an average brightness index value within each of the target areas that have been divided by the area detection section, based on the sensing information; a correction amount calculation section which calculates a correction amount for input-output characteristic data from each of the target areas, based on the brightness information; and a color non-uniformity correction section which corrects color non-uniformity of the image, based on input-output characteristic data that has been corrected based on the correction amount.
    • 为了提供能够以更适当的方式由于随着时间的劣化而校正颜色不均匀性的图像处理系统,投影仪设置有显示校准图像的图像投影部分; 感测部,其感测所显示的校准图像; 区域检测部,其基于感测信息检测图像显示区域,并且将图像显示区域划分为多个目标区域; 亮度信息生成部,基于感测信息,生成表示由区域检测部划分的各目标区域内的平均亮度指标值的亮度信息; 校正量计算部,其基于亮度信息计算来自每个目标区域的输入输出特性数据的校正量; 以及基于基于校正量校正的输入 - 输出特性数据来校正图像的颜色不均匀性的颜色不均匀性校正部分。
    • 16. 发明授权
    • Image processing system, projector, information storage medium, and image processing method
    • 图像处理系统,投影机,信息存储介质和图像处理方法
    • US07167645B2
    • 2007-01-23
    • US10944139
    • 2004-09-20
    • Hideki MatsudaKunio Yoneno
    • Hideki MatsudaKunio Yoneno
    • G03B71/00G03B21/14H04N7/18H04N5/235
    • H04N9/3185G09G2320/0693H04N5/74H04N9/3194
    • A projector includes an image projection section which projects a white image and a black image, a sensor which has an exposure adjustment function, generates first sensing information by sensing the white image, and generates second sensing information by sensing the black image, a sensing condition setting section which controls exposure of the sensor so that the sensor senses the white image at an automatic exposure setting and senses the black image at the exposure setting determined when sensing the white image, a difference information generation section which generates difference information based on the first sensing information and the second sensing information, and an endpoint detection section which detects an endpoint of a projection region in a sensing region based on the difference information.
    • 投影仪包括投影白色图像和黑色图像的图像投影部分,具有曝光调整功能的传感器,通过感测白色图像来生成第一感测信息,并且通过感测黑色图像产生第二感测信息,感测条件 设置部分,其控制传感器的曝光,使得传感器以自动曝光设置感测白色图像,并在感测白色图像时确定的曝光设置下感测黑色图像;差分信息生成部,其基于第一 感测信息和第二感测信息,以及端点检测部分,其基于差异信息来检测感测区域中的投影区域的端点。