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    • 5. 发明申请
    • Method and apparatus for adjusting image colors of image projector
    • 用于调整图像投影仪的图像颜色的方法和装置
    • US20080088807A1
    • 2008-04-17
    • US11904124
    • 2007-09-26
    • Jae-Won MoonSung-Dae ChoYoung-Min JeongJong-Man KimYun-Je OhYoung-Ho HaChul-Hee LeeChang-Hwan SonIn-Su Jang
    • Jae-Won MoonSung-Dae ChoYoung-Min JeongJong-Man KimYun-Je OhYoung-Ho HaChul-Hee LeeChang-Hwan SonIn-Su Jang
    • G03B21/14
    • G09G5/02G09G5/06H04N9/3182
    • Disclosed is a method for correcting color in a portable image projector in consideration of an effect of a background color when the portable image projector projects images. The method corrects the effect of the background color to be projected, using color constancy technique, and thereby represents high-quality image which can be projected on a white screen. The method includes the steps of determining if a background color exists on a projection screen using a portable camera, converting the size of a mask image in order to connect a spatial position of an original image and an image photographed by a camera, correcting brightness of the mask image in order to correct non-homogeneity of the brightness of the projected image due to the distribution of different brightness values of the background color, and correcting the background color in order to correct color distortion of the image projected in different colors on the background color. The background color correction step includes the sub-steps of initializing chromaticity of the white screen in advance, and correcting chromaticity using a technique of color constancy of human eyesight.
    • 本发明公开了一种当便携式图像投影仪投影图像时考虑到背景颜色的影响来校正便携式图像投影仪中的颜色的方法。 该方法使用颜色常数技术校正要投影的背景颜色的效果,从而表示可投影在白色屏幕上的高质量图像。 该方法包括以下步骤:使用便携式相机确定投影屏幕上是否存在背景颜色,转换掩模图像的尺寸以连接原始图像的空间位置和由相机拍摄的图像,校正亮度 掩模图像,以便校正由于背景颜色的不同亮度值的分布导致的投影图像的亮度的非均匀性,并且校正背景颜色以校正在不同颜色上投影的图像的颜色失真 背景颜色。 背景颜色校正步骤包括预先对白色画面的色度进行初始化的子步骤,以及使用人眼视觉的颜色恒定性技术来校正色度。
    • 6. 发明授权
    • Method and apparatus for adjusting image colors of image projector
    • 用于调整图像投影仪的图像颜色的方法和装置
    • US08605111B2
    • 2013-12-10
    • US11904124
    • 2007-09-26
    • Jae-Won MoonSung-Dae ChoYoung-Min JeongJong-Man KimYun-Je OhYoung-Ho HaChul-Hee LeeChang-Hwan SonIn-Su Jang
    • Jae-Won MoonSung-Dae ChoYoung-Min JeongJong-Man KimYun-Je OhYoung-Ho HaChul-Hee LeeChang-Hwan SonIn-Su Jang
    • G09G5/00G09G5/02G09G5/06
    • G09G5/02G09G5/06H04N9/3182
    • Disclosed is a method for correcting color in a portable image projector in consideration of an effect of a background color when the portable image projector projects images. The method corrects the effect of the background color to be projected, using color constancy technique, and thereby represents high-quality image which can be projected on a white screen. The method includes the steps of determining if a background color exists on a projection screen using a portable camera, converting the size of a mask image in order to connect a spatial position of an original image and an image photographed by a camera, correcting brightness of the mask image in order to correct non-homogeneity of the brightness of the projected image due to the distribution of different brightness values of the background color, and correcting the background color in order to correct color distortion of the image projected in different colors on the background color. The background color correction step includes the sub-steps of initializing chromaticity of the white screen in advance, and correcting chromaticity using a technique of color constancy of human eyesight.
    • 本发明公开了一种当便携式图像投影仪投影图像时考虑到背景颜色的影响来校正便携式图像投影仪中的颜色的方法。 该方法使用颜色常数技术校正要投影的背景颜色的效果,从而表示可投影在白色屏幕上的高质量图像。 该方法包括以下步骤:使用便携式相机确定投影屏幕上是否存在背景颜色,转换掩模图像的尺寸以连接原始图像的空间位置和由相机拍摄的图像,校正亮度 掩模图像,以便校正由于背景颜色的不同亮度值的分布导致的投影图像的亮度的非均匀性,并且校正背景颜色以校正在不同颜色上投影的图像的颜色失真 背景颜色。 背景颜色校正步骤包括预先对白色画面的色度进行初始化的子步骤,以及使用人眼视觉的颜色恒定性技术来校正色度。
    • 10. 发明申请
    • Wireless terminal and method for personalizing display colors of menu screen using color information of an image
    • 使用图像的颜色信息个性化显示菜单屏幕的颜色的无线终端和方法
    • US20070229531A1
    • 2007-10-04
    • US11636831
    • 2006-12-11
    • Jung-Hoon ParkYun-Je OhSung-Dae ChoYoung-Min JeongJae-Won Moon
    • Jung-Hoon ParkYun-Je OhSung-Dae ChoYoung-Min JeongJae-Won Moon
    • G09G5/02
    • H04M1/72583G06F3/0482H04M1/72544H04M1/72563H04N9/76
    • A wireless terminal for personalizing display colors of a menu screen using color information of an image, wherein the wireless terminal includes; a memory for storing the image captured by the camera module; an image processing unit for determining colors used to display the menu screen using color information of an image for personalizing the display colors of the menu screen, the image being selected from among images stored in the memory; a display unit for displaying the menu screen with the colors determined by the image processing unit; and a controller for controlling the image processing unit to convert a color model of the selected image to a Hue, Saturation, and Intensity (HSI) color model, extract color values, and map the extracted color values, assign priority to the colors by measuring distribution ratios of the mapped color values, combine the display colors of the menu screen based on the priority of the assigned colors, and finally determine the display colors of the menu screen by analyzing contrast of the combined colors.
    • 一种用于使用图像的颜色信息个性化菜单屏幕的显示颜色的无线终端,其中所述无线终端包括: 用于存储由相机模块捕获的图像的存储器; 图像处理单元,用于使用用于个性化菜单屏幕的显示颜色的图像的颜色信息来确定用于显示菜单屏幕的颜色,该图像从存储在存储器中的图像中选择; 显示单元,用于显示具有由图像处理单元确定的颜色的菜单屏幕; 以及控制器,用于控制图像处理单元将所选图像的颜色模型转换为色相,饱和度和强度(HSI)颜色模型,提取颜色值,并绘制所提取的颜色值,并通过测量来分配颜色的优先级 映射颜色值的分布比,基于所分配颜色的优先级组合菜单屏幕的显示颜色,并且通过分析组合颜色的对比度来最终确定菜单屏幕的显示颜色。