Image Processing Device, Image Processing Method And Image Processing Program

An image processing method wherein an image is imaged with an imaging unit and obtained by an image sensor which carries out a photoelectric conversion of light of two or more different colors and that generates a color image having brightness information of a plurality of colors for each pixel using a color mosaic image which has monochromatic brightness information, which image processing method performs a predetermined image transformation and generates a color image, said method comprising the following steps

• a color plane decomposition step which disassembles said color mosaic image into two or more color planes, each including only brightness information for the same color,
• a motion detecting step which computes a correction value of relative motion of said photographic subject and said imaging unit to each pixel coordinate in said color mosaic image,
• a sampling-coordinates calculation step to set up sampling coordinates in said color mosaic image matching with a pixel position of said color image, wherein said image transformation is performed for the pixel position of said color image using said motion correction value,
• a sampling step which carries out interpolation of the pixel value in said sampling coordinates from pixel values of the same color contained in said color plane for each of two or more color planes decomposed by said color plane decomposition module,
• a color generation step wherein a pixel values that were interpolated by said sampling step for each color plane at the sampling coordinates are composed, and wherein a pixel signal of said color image is generated.

An image processing program to be performed on a computer, wherein each pixel is imaged with an imaging unit and obtained by an image sensor which carries out a photoelectric conversion of light of two or more different colors and that generates a color image having brightness information of a plurality of colors for each pixel using a color mosaic image which has monochromatic brightness information, which image processing device performs a predetermined image transformation, and which comprises the following steps

• a color plane decomposition step which disassembles said color mosaic image into two or more color planes, each including only brightness information for the same color,
• a motion detecting step which computes a correction value to compensate relative motion of said photographic subject and said imaging unit to each pixel coordinate in said color mosaic image,
• a sampling-coordinates calculation step to set up sampling coordinates in said color mosaic image matching with a pixel position of said color image, wherein said image transformation is performed for the pixel position of said color image using said motion correction value,
• a sampling step which carries out interpolation formation of the pixel value in said sampling coordinates from a pixel value of the same color contained in said color plane for each of two or more color planes decomposed by said color plane decomposition module,
• a color generation step wherein a pixel value that were interpolated by said sampling step for each color plane at the sampling coordinates are composed, and wherein a pixel signal of said color image is generated.