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    • 5. 发明公开
    • 색수차 제거 방법 및 장치
    • 取消色素析出的方法和装置
    • KR1020100050904A
    • 2010-05-14
    • KR1020080110022
    • 2008-11-06
    • 삼성전자주식회사연세대학교 산학협력단
    • 강문기장준영박종현강희
    • H04N5/217H04N9/67
    • H04N9/646H04N9/045H04N9/67
    • PURPOSE: A chromatic aberration removal method and a device thereof are provided to remove chromatic aberration regardless of lens characteristic by filtering only a chromatic signal in a luminance/chrominance coordinate system through an asymmetry mask according to property of chromatic aberration generation. CONSTITUTION: A YUV converter(110) converts an RGB signal into a YUV signal. In order to create a chromatic signal for chromatic aberration compensation, a chromatic signal generator(130) filters the chromatic signal through an asymmetry mask according to an area. A chromatic signal combiner(150) combines information about chromatic aberration generation, the chromatic signal for the chromatic aberration compensation and an input chromatic signal. An RGB converter(160) proceeds signal conversion through a final chromatic signal and a brightness signal of the YUV converter.
    • 目的:提供色差去除方法及其装置,以通过根据色像差产生的特性通过不对称掩模仅对亮度/色度坐标系中的彩色信号进行滤波而去除透镜特性。 构成:YUV转换器(110)将RGB信号转换为YUV信号。 为了产生用于色像差补偿的彩色信号,彩色信号发生器(130)根据区域对不对称掩模对彩色信号进行滤波。 彩色信号组合器(150)组合关于色差产生的信息,用于色差补偿的彩色信号和输入彩色信号。 RGB转换器(160)通过YUV转换器的最终色信号和亮度信号进行信号转换。
    • 6. 发明公开
    • 색수차 제거 방법 및 장치
    • 取消染色的方法和装置
    • KR1020100013173A
    • 2010-02-09
    • KR1020080074722
    • 2008-07-30
    • 삼성전자주식회사연세대학교 산학협력단
    • 강문기장준영박종현강희
    • H04N5/235H04N9/67H04N9/04H04N9/07
    • H04N9/045
    • PURPOSE: A method and an apparatus for canceling chromatic aberration are provided to filter only chromaticity signals from a brightness/chromaticity coordinates system, thereby removing chromatic aberration without respect to a property of a lens. CONSTITUTION: An RGB gradient calculating unit(122) calculates an RGB gradient using an RGB signal. A brightness/chromaticity difference calculating unit(121) inputs a brightness/chromaticity signal to which the RGB signal is converted. The brightness/chromaticity difference calculating unit calculates a brightness/chromaticity difference using the brightness/chromaticity signal. A chromaticity signal filtering unit(123) generates a chromaticity signal for compensating chromatic aberration.
    • 目的:提供一种用于消除色差的方法和装置,以仅对来自亮度/色度坐标系的色度信号进行滤波,从而不考虑透镜的特性来消除色差。 构成:RGB梯度计算单元(122)使用RGB信号计算RGB梯度。 亮度/色度差计算单元(121)输入RGB信号被转换到的亮度/色度信号。 亮度/色度差计算单元使用亮度/色度信号来计算亮度/色度差。 色度信号滤波单元(123)产生用于补偿色差的色度信号。