公开(公告)号：US07564491B2

公开(公告)日：2009-07-21

申请号：US10540058

申请日：2003-12-11

申请人： Yutaka Yoneda ,  Manabu Koiso

发明人： Yutaka Yoneda ,  Manabu Koiso

IPC分类号： H04N9/64

CPC分类号： H04N5/3675 ,  H04N9/045

摘要： A pixel defect detecting and correcting apparatus and method for detecting and correcting defects where the number of correctable defect pixels is not restricted to the capacity of a memory. The apparatus includes a color difference and luminance calculating block which calculates the absolute values of the color differences of adjacent pixels and a defect judgment target pixel, and color difference and luminance data. The apparatus also includes a maximum and minimum data values detecting block; a color difference interpolated value calculating block and a luminance interpolated value calculating block which obtain the color difference interpolated values and luminance interpolated values of the defect judgment target pixel.

摘要翻译： 一种用于检测和校正可修复缺陷像素数不限于存储器容量的缺陷的像素缺陷检测和校正装置和方法。 该装置包括色差和亮度计算块，其计算相邻像素和缺陷判断目标像素的色差的绝对值，以及色差和亮度数据。 该装置还包括最大和最小数据值检测块; 色差内插值计算块和获得缺陷判断目标像素的色差内插值和亮度内插值的亮度内插值计算块。

公开(公告)号：US20080068482A1

公开(公告)日：2008-03-20

申请号：US11975815

申请日：2007-10-22

申请人： Kenji Tanaka ,  Akira Hamano ,  Manabu Koiso

发明人： Kenji Tanaka ,  Akira Hamano ,  Manabu Koiso

IPC分类号： H04N5/235

CPC分类号： H04N5/37213 ,  H04N5/243 ,  H04N5/361 ,  H04N5/3653 ,  H04N5/378 ,  H04N9/045

摘要： An image-signal processing apparatus (1) designed to process the signals output from a CCD image sensor (10) that reads pixel data for one screen, line by line, divides the pixel data into a plurality of channels and outputs the pixel data thus divided. The image-signal processing apparatus (1) detects and corrects the black level of each pixel data item that the image sensor (10) has output for one channel. The image-signal processing apparatus (1) detects and corrects the gain difference between channels, which pertain to the pixel data items output from the image sensor. (10). Hence, the apparatus (1) can correct the black level of each pixel data item and the gain difference between channels with high accuracy, when used in combination with an image sensor that divides pixel data into a plurality of channels.

摘要翻译： 图像信号处理装置（1）被设计为处理从一个屏幕读取像素数据的CCD图像传感器（10）输出的信号，将像素数据逐行分割成多个通道，并输出像素数据 分为。 图像信号处理装置（1）检测并校正图像传感器（10）为一个通道输出的每个像素数据项的黑色电平。 图像信号处理装置（1）检测和校正与图像传感器输出的像素数据项相关的通道之间的增益差异。 （10）。 因此，当与将像素数据分割成多个通道的图像传感器组合使用时，装置（1）可以以高精度校正每个像素数据项的黑色电平和通道之间的增益差异。

公开(公告)号：US07295238B2

公开(公告)日：2007-11-13

申请号：US10258331

申请日：2002-02-18

申请人： Kenji Tanaka ,  Akira Hamano ,  Manabu Koiso

发明人： Kenji Tanaka ,  Akira Hamano ,  Manabu Koiso

IPC分类号： H04N5/235 ,  H04N5/228 ,  H04N9/64 ,  H04N3/14 ,  H04N5/335

CPC分类号： H04N5/37213 ,  H04N5/243 ,  H04N5/361 ,  H04N5/3653 ,  H04N5/378 ,  H04N9/045

摘要： An image-signal processing apparatus (1) designed to process the signals output from a CCD image sensor (10) that reads pixel data for one screen, line by line, divides the pixel data into a plurality of channels and outputs the pixel data thus divided. The image-signal processing apparatus (1) detects and corrects the black level of each pixel data item that the image sensor (10) has output for one channel. The image-signal processing apparatus (1) detects and corrects the gain difference between channels, which pertain to the pixel data items output from the image sensor (10). Hence, the apparatus (1) can correct the black level of each pixel data item and the gain difference between channels with high accuracy, when used in combination with an image sensor that divides pixel data into a plurality of channels.

摘要翻译： 图像信号处理装置（1）被设计成处理从一个屏幕读取像素数据的CCD图像传感器（10）输出的信号，将像素数据逐行分割成多个通道，并输出像素数据 分为。 图像信号处理装置（1）检测并校正图像传感器（10）为一个通道输出的每个像素数据项的黑色电平。 图像信号处理装置（1）检测并校正与图像传感器（10）输出的像素数据项有关的通道之间的增益差异。 因此，当与将像素数据分割成多个通道的图像传感器组合使用时，装置（1）可以以高精度校正每个像素数据项的黑色电平和通道之间的增益差异。

公开(公告)号：US20060012694A1

公开(公告)日：2006-01-19

申请号：US10540058

申请日：2003-12-11

申请人： Yutaka Yoneda ,  Manabu Koiso

发明人： Yutaka Yoneda ,  Manabu Koiso

IPC分类号： H04N9/64

CPC分类号： H04N5/3675 ,  H04N9/045

摘要： A pixel defect detecting and correcting apparatus according to the present invention is provided in which the number of correctable defect pixels is not restricted to the capacity of a memory device and defects subsequently generated can be detected and corrected; and includes a color difference and luminance calculating block 1-2 which calculates the absolute values of the color differences of adjacent pixels and a defect judgment target pixel, and color difference and luminance data; a maximum and minimum data values detecting block 1-3 which detects the maximum and minimum values of various kinds of data based on values calculated from the color difference and luminance; a color difference interpolated value calculating block 1-4 and a luminance interpolated value calculating block 1-5 which obtain the color difference interpolated values and luminance interpolated values of the defect judgment target pixel, respectively; and a defect judgment and interpolation processing block (1-6) which, using a plurality of defect detecting methods, concurrently performs defect judgment of the defect judgment target pixel with respect to each of the defect detecting method and executes interpolation processing according to the defect detecting methods in the case of pixel defects; and an interpolated value for use selecting block (1-7) which selects the final output values of pixels judged to be defective.

摘要翻译： 提供了根据本发明的像素缺陷检测和校正装置，其中可校正缺陷像素的数量不限于存储器件的容量，并且可以检测和校正随后产生的缺陷; 并且包括计算相邻像素和缺陷判断目标像素的色差的绝对值的色差和亮度计算块1-2以及色差和亮度数据; 最大和最小数据值检测块1-3，其根据从色差和亮度计算的值检测各种数据的最大值和最小值; 色差内插值计算块1-4和亮度内插值计算块1-5，其分别获得缺陷判断目标像素的色差内插值和亮度内插值; 以及使用多个缺陷检测方法同时对缺陷检测方法中的每一个执行缺陷判断目标像素的缺陷判断的缺陷判断和内插处理块（1-6），并且根据缺陷执行内插处理 在像素缺陷的情况下检测方法; 以及用于选择被判断为有缺陷的像素的最终输出值的使用选择块（1-7）的内插值。

公开(公告)号：US07880790B2

公开(公告)日：2011-02-01

申请号：US11975815

申请日：2007-10-22

申请人： Kenji Tanaka ,  Akira Hamano ,  Manabu Koiso

发明人： Kenji Tanaka ,  Akira Hamano ,  Manabu Koiso

IPC分类号： H04N5/235 ,  H04N9/64 ,  H04N3/14 ,  H04N5/335

CPC分类号： H04N5/37213 ,  H04N5/243 ,  H04N5/361 ,  H04N5/3653 ,  H04N5/378 ,  H04N9/045

摘要： An image-signal processing apparatus (1) designed to process the signals output from a CCD image sensor (10) that reads pixel data for one screen, line by line, divides the pixel data into a plurality of channels and outputs the pixel data thus divided. The image-signal processing apparatus (1) detects and corrects the black level of each pixel data item that the image sensor (10) has output for one channel. The image-signal processing apparatus (1) detects and corrects the gain difference between channels, which pertain to the pixel data items output from the image sensor (10). Hence, the apparatus (1) can correct the black level of each pixel data item and the gain difference between channels with high accuracy, when used in combination with an image sensor that divides pixel data into a plurality of channels.

摘要翻译： 图像信号处理装置（1）被设计成处理从一个屏幕读取像素数据的CCD图像传感器（10）输出的信号，将像素数据逐行分割成多个通道，并输出像素数据 分为。 图像信号处理装置（1）检测并校正图像传感器（10）为一个通道输出的每个像素数据项的黑色电平。 图像信号处理装置（1）检测并校正与图像传感器（10）输出的像素数据项有关的通道之间的增益差异。 因此，当与将像素数据分割成多个通道的图像传感器组合使用时，装置（1）可以以高精度校正每个像素数据项的黑色电平和通道之间的增益差异。