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    • 1. 发明授权
    • Method for correcting a defect pixel
    • 纠正缺陷像素的方法
    • US08897592B2
    • 2014-11-25
    • US13197811
    • 2011-08-04
    • Byoung Seok YooJae-Gwan JeonBong-Ju Jun
    • Byoung Seok YooJae-Gwan JeonBong-Ju Jun
    • G06K9/00G06K9/40G06K9/62H04N9/64G06T5/00H04N1/407H04N1/409H04N5/367H04N9/04
    • H04N5/367G06T5/005G06T2207/10024G06T2207/20012H04N9/045
    • A method for correcting a defect pixel includes extracting a pixel value of a central pixel, and pixel values of each of a plurality of neighboring pixels around the central pixel in an image sensor by using a color filter; calculating reference levels by multiplying each the pixel value of the plurality of neighboring pixels by a weight value; calculating a total number of cases where the pixel value of the central pixel is larger or smaller than the reference level as a first comparison value or second comparison value, respectively; determining the central pixel is a defect pixel where the first or second comparison value is larger than a first or second control register value, by comparing the comparison values with the control register values, respectively; and correcting the central pixel determined as the defect pixel.
    • 用于校正缺陷像素的方法包括通过使用滤色器提取中心像素的像素值和图像传感器周围的中心像素周围的多个相邻像素中的每一个的像素值; 通过将所述多个相邻像素的每个像素值乘以权重值来计算参考电平; 计算中心像素的像素值大于或小于参考电平的情况的总数作为第一比较值或第二比较值; 通过将比较值与控制寄存器值进行比较,确定中心像素是其中第一或第二比较值大于第一或第二控制寄存器值的缺陷像素; 以及校正被确定为所述缺陷像素的所述中心像素。
    • 3. 发明申请
    • METHOD FOR CORRECTING A DEFECT PIXEL
    • 校正缺陷像素的方法
    • US20120257825A1
    • 2012-10-11
    • US13197811
    • 2011-08-04
    • Byoung Seok YOOJae-Gwan JEONBong-Ju JUN
    • Byoung Seok YOOJae-Gwan JEONBong-Ju JUN
    • G06K9/00G06K9/40
    • H04N5/367G06T5/005G06T2207/10024G06T2207/20012H04N9/045
    • A method for correcting a defect pixel includes extracting a pixel value of a central pixel, and pixel values of each of a plurality of neighboring pixels around the central pixel in an image sensor by using a color filter; calculating reference levels by multiplying each the pixel value of the plurality of neighboring pixels by a weight value; calculating a total number of cases where the pixel value of the central pixel is larger or smaller than the reference level as a first comparison value or second comparison value, respectively; determining the central pixel is a defect pixel where the first or second comparison value is larger than a first or second control register value, by comparing the comparison values with the control register values, respectively; and correcting the central pixel determined as the defect pixel.
    • 用于校正缺陷像素的方法包括通过使用滤色器提取中心像素的像素值和图像传感器周围的中心像素周围的多个相邻像素中的每一个的像素值; 通过将所述多个相邻像素的每个像素值乘以权重值来计算参考电平; 计算中心像素的像素值大于或小于参考电平的情况的总数作为第一比较值或第二比较值; 通过将比较值与控制寄存器值进行比较,确定中心像素是其中第一或第二比较值大于第一或第二控制寄存器值的缺陷像素; 以及校正被确定为所述缺陷像素的所述中心像素。