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    • 31. 发明申请
    • Method of and apparatus for removing color noise based on correlation between color channels
    • 基于颜色通道之间的相关性去除色彩噪声的方法和装置
    • US20060291746A1
    • 2006-12-28
    • US11471502
    • 2006-06-21
    • Moon-gi KangMin-kyu ParkChang-won KimYoung-seok Han
    • Moon-gi KangMin-kyu ParkChang-won KimYoung-seok Han
    • G06K9/40H04N5/228
    • H04N9/045
    • A method of and apparatus for removing color noise are provided. The apparatus includes a first filtering unit, a subtracting unit, a second filtering unit, and an adding unit. The first filtering unit removes color noise from color data of a first channel among input interpolated color data and outputs filtered color data of the first channel. The subtracting unit calculates a difference between each of input color data of a second channel and a third channel among the input interpolated color data and the filtered color data of the first channel and outputs differential images. The second filtering unit selects an intermediate differential image among the output differential images and previously filtered differential images and outputs filtered differential images. The adding unit adds the filtered color data of the first channel and the filtered differential images and outputs filtered color data of the second channel and the third channel.
    • 提供了一种消除颜色噪声的方法和装置。 该装置包括第一滤波单元,减法单元,第二滤波单元和加法单元。 第一滤波单元从输入插值颜色数据中的第一通道的颜色数据中去除颜色噪声,并输出第一通道的滤色颜色数据。 减法单元计算输入的内插颜色数据和第一通道的滤波颜色数据之间的第二通道的输入颜色数据和第三通道之间的差异,并输出差分图像。 第二滤波单元选择输出差分图像和先前滤波的差分图像之间的中间差分图像,并输出滤波差分图像。 加法单元将经滤波的第一通道的颜色数据和经滤波的差分图像相加,并输出第二通道和第三通道的滤波色数据。
    • 37. 发明授权
    • Method and apparatus for interpolation of interlaced CMYG color format
    • 隔行CMYG颜色格式插值的方法和装置
    • US07760255B2
    • 2010-07-20
    • US11448780
    • 2006-06-08
    • Moon-gi KangYoung-seok HanMin-kyu ParkChang-won Kim
    • Moon-gi KangYoung-seok HanMin-kyu ParkChang-won Kim
    • H04N3/14H04N5/335H04N9/04G06K9/40G06K9/32
    • H04N9/045H04N2209/046
    • A color interpolation apparatus includes: an area determination unit determining an area between a flat area and an edge area, to which a sampling unit formed with two pixels of the photoelectric device, vertically adjacent to each other, and to be interpolated belongs; a linear interpolation unit performing linear interpolation of the sampling unit determined to belong to a flat area and outputting a luminance signal or a chrominance signal; a weight value calculation unit calculating the weight value of an adjacent sampling unit to be used for weight interpolation of the sampling unit determined to belong to an edge area; and a weight interpolation unit performing weight interpolation of the sampling unit determined to belong to an edge area, by using the weight and outputting a luminance signal or a chrominance signal.
    • 颜色插值装置包括:区域确定单元,确定平坦区域和边缘区域之间的区域,与光电装置的两个像素形成的采样单元垂直相邻并被插入到该边缘区域; 执行被确定为属于平坦区域并且输出亮度信号或色度信号的采样单元的线性插值的线性内插单元; 权重值计算单元,计算用于被确定为属于边缘区域的采样单元的权重插值所使用的相邻采样单元的权重值; 以及加权内插单元,其通过使用所述权重并输出亮度信号或色度信号来执行确定为属于边缘区域的采样单元的加权内插。
    • 38. 发明申请
    • Method and apparatus for interpolation of interlaced CMYG color format
    • 隔行CMYG颜色格式插值的方法和装置
    • US20060284989A1
    • 2006-12-21
    • US11448780
    • 2006-06-08
    • Moon-gi KangYoung-seok HanMin-kyu ParkChang-won Kim
    • Moon-gi KangYoung-seok HanMin-kyu ParkChang-won Kim
    • H04N5/228
    • H04N9/045H04N2209/046
    • A color interpolation apparatus includes: an area determination unit determining an area between a flat area and an edge area, to which a sampling unit formed with two pixels of the photoelectric device, vertically adjacent to each other, and to be interpolated belongs; a linear interpolation unit performing linear interpolation of the sampling unit determined to belong to a flat area and outputting a luminance signal or a chrominance signal; a weight value calculation unit calculating the weight value of an adjacent sampling unit to be used for weight interpolation of the sampling unit determined to belong to an edge area; and a weight interpolation unit performing weight interpolation of the sampling unit determined to belong to an edge area, by using the weight and outputting a luminance signal or a chrominance signal.
    • 颜色插值装置包括:区域确定单元,确定平坦区域和边缘区域之间的区域,与光电装置的两个像素形成的采样单元垂直相邻并被插入到该边缘区域; 执行被确定为属于平坦区域并且输出亮度信号或色度信号的采样单元的线性插值的线性内插单元; 权重值计算单元,计算用于被确定为属于边缘区域的采样单元的权重插值所使用的相邻采样单元的权重值; 以及加权内插单元,其通过使用所述权重并输出亮度信号或色度信号来执行确定为属于边缘区域的采样单元的加权内插。