Patent ID: 7907182
Filing Date: 2011-03-15
Classification: H04N

Abstract:
1. An image data reduction apparatus that reduces a number of pixels of image data of one line in which a pixel of a first color and a pixel of a second color are alternately arrayed in a row or column direction, comprising: a first color calculation unit that calculates a first color image data from X (X is an even number not less than 2) successively arranged pixels of the first color on the line in the row or columns direction; a second color calculation unit that calculates a second color image data from X+1successively arranged pixels of the second color on the line in the row or columns direction; a reduction unit that reduces the number of pixels of the one line in the row or column direction to 1/X by alternately outputting in the row or column direction; the first color image data corresponding to a pixel positioned at barycenter on the one line of X successively arrayed pixels of the first color on the one line in the row or column direction, where the barycenter position of the X successively arrayed pixels of the first color on the one line in the row or column direction is the position where the X successively arrayed pixels balance each other and the second color image data corresponding to a pixel positioned at barycenter on the one line of X+1 successively arrayed pixels of the second color on the one line in the row or column direction, where the barycenter position of the X+1 successively arrayed pixels of the second color on the one line in the row or column direction is the position where the X+1 successively arrayed pixels balance each other.