摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image reader capable of performing smoothing processing that reduces image stripes and preventing an image from being out of focus without making MTF (Modulation Transfer Function) too low. <P>SOLUTION: The image reader has a means for reading a standard white board and preparing shading correction data, and a means for dividing an area in a main scan direction into a plurality of areas. The image reader also has a means for making parameters in one divided area different from parameters in the other area of the divided areas and performing smoothing processing of image data in each area. <P>COPYRIGHT: (C)2008,JPO&INPIT |