摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image processing apparatus for improving the image quality of a multi-value image including characters. <P>SOLUTION: The image processing apparatus for applying correction to the multi-value image including characters to improve the image quality of the multi-value image detects edges and edge directions of the multi-value image to be processed, selects a filter adaptive to the detected edge directions, and uses the selected filter to correct the image. <P>COPYRIGHT: (C)2006,JPO&NCIPI |