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    • 41. 发明授权
    • Method for detecting the illumination color of a color image from an average of chromaticity coordinates generated from linear approximations of color transition bands
    • 从色彩过渡带的线性近似生成的色度坐标的平均值中检测彩色图像的照明颜色的方法
    • US06654055B1
    • 2003-11-25
    • US09065723
    • 1998-04-24
    • Du-Sik ParkChang-yeong Kim
    • Du-Sik ParkChang-yeong Kim
    • H04N964
    • H04N1/6077H04N1/6086
    • A method for detecting the illumination color to store the color-compensated image considering the light effect of illumination environments on photographing with a color image input apparatus such as a video camera. The present invention provides a method for finding highlight areas appearing on the objects in the image and obtaining the illumination color resulting from the analysis of the color of the pixels included in those highlight areas. The chromaticity coordinates of the pixels in a highlight area occurring on the uniformly colored object are distributed between the body color of the object and the illumination color. The distribution of those chromaticity coordinates is referred to as the color transition band. The straight lines are approximated on the chromaticity diagram using these color transition bands obtained from highlight areas presenting several uniformly colored objects. The illumination color is determined as the average of the intersections between the lines. In this way, the present invention may reduce the excessive processing time found in the prior art method, providing more reliable information about the illumination color.
    • 考虑照明环境对照相机的彩色图像输入装置拍摄时的光效应来检测照明颜色以存储彩色补偿图像的方法。 本发明提供了一种用于找到出现在图像中的物体上的高光区域并获得通过对包括在那些高亮区域中的像素的颜色的分析而产生的照明颜色的方法。 出现在均匀着色的物体上的高亮区域中的像素的色度坐标分布在物体的身体颜色和照明颜色之间。 这些色度坐标的分布被称为色彩转换带。 使用从呈现几个均匀着色的对象的高亮区域获得的这些颜色过渡带,在色度图上近似直线。 照明颜色被确定为线之间的交点的平均值。 以这种方式,本发明可以减少在现有技术方法中发现的过多的处理时间,从而提供关于照明颜色的更可靠的信息。
    • 42. 发明授权
    • 2D/3D switchable autostereoscopic display apparatus and method
    • 2D / 3D可切换的自动立体显示装置和方法
    • US09462261B2
    • 2016-10-04
    • US12385759
    • 2009-04-17
    • Gee Young SungYun-Tae KimDu-Sik ParkDong Kyung NamJu Yong Park
    • Gee Young SungYun-Tae KimDu-Sik ParkDong Kyung NamJu Yong Park
    • H04N13/04G02F1/1335G06T15/00G06F3/038G09G3/36G02B27/22
    • H04N13/359G02B27/2214H04N13/305
    • A two dimensional/three dimensional (2D/3D) switchable autostereoscopic display apparatus and method to selectively display a 2D image and a 3D image using two displays and a convertible lens. When outputting the 2D image, the 2D/3D switchable autostereoscopic display apparatus may control a first display to output a white image/white light, control a second display to output an image, and control an electrical diffuser lens of the convertible lens to be switched off and the white image to be diffused so as to operate as a backlight. When outputting the 3D image, the 2D/3D switchable autostereoscopic display apparatus may control the first display to output an image, control the second display to be switched off to be in a transparent state, control the electrical diffuser lens of the convertible lens to be switched on to be in the transparent state, and control the lenticular lens to output the 3D image.
    • 一种二维/三维(2D / 3D)可切换的自动立体显示装置和方法,用于使用两个显示器和可转换透镜来选择性地显示2D图像和3D图像。 当输出2D图像时,2D / 3D可切换自动立体显示装置可以控制第一显示器输出白色图像/白光,控制第二显示器以输出图像,并且控制可转换透镜的电漫射器透镜被切换 关闭和待扩散的白色图像以便作为背光操作。 当输出3D图像时,2D / 3D可切换自动立体显示装置可以控制第一显示器输出图像,控制要关闭的第二显示器处于透明状态,将可转换透镜的电漫射器镜头控制为 开启为透明状态,控制双凸透镜输出3D图像。
    • 48. 发明申请
    • Method and system for color temperature conversion of compressed video image
    • 压缩视频图像色温转换方法及系统
    • US20050264701A1
    • 2005-12-01
    • US10520168
    • 2003-07-03
    • Young-Sik HuhKi-Won YooDu-Sik Park
    • Young-Sik HuhKi-Won YooDu-Sik Park
    • H04N11/04H04N9/73
    • H04N9/73
    • A system to estimate and change a color temperature of a compressed video image and change includes a color temperature estimation unit to receive a video image compressed using block-based discrete cosine transformation, generate a discrete cosine (DC) video image corresponding to the compressed video image, and estimates the color temperature of the compressed video image using the DC video image; a decoder to decode the compressed video image to generate an original video image; and a color temperature change unit to determine the estimated color temperature of the compressed video image or a color temperature of the decoded original video image as an application color temperature according to whether the compressed video image is a moving video image, and changes the color temperature of the decoded original video image in accordance with the application color temperature and a color temperature preferred by a user.
    • 用于估计和改变压缩视频图像的色温和变化的系统包括色温估计单元,用于接收使用基于块的离散余弦变换压缩的视频图像,生成与压缩视频对应的离散余弦(DC)视频图像 图像,并使用DC视频图像估计压缩视频图像的色温; 解码器,对压缩视频图像进行解码以产生原始视频图像; 以及色温改变单元,用于根据压缩视频图像是运动视频图像来确定压缩视频图像的估计色温或解码的原始视频图像的色温作为应用色温,并且改变色温 根据应用色温和使用者所喜欢的色温进行解码的原始视频图像。