Patent ID: 7002706
Filing Date: 2006-02-21
Classification: H04N

Abstract:
1. An image reading method of reading by an image sensing element an original held by an original holder while shifting pixels, comprising: a first detection step of detecting a feature point of the original holder; a first reading step of specifying a position of the original on the basis of the feature point detected in the first detection step and reading the original; a pixel shifting step of shifting relative positions of an optical image of the original and the image sensing element by a predetermined amount; a second detection step of detecting the feature point of the original holder at the position shifted in the pixel shift step; a second reading step of specifying the position of the original on the basis of the feature points detected in the second detection step and reading the original; and a synthesis step of synthesizing the images read in the first and second reading steps; wherein the original holder includes a film holder, and the feature point includes a feature point of an opening formed in the film holder for calibration.