| 摘要 |
<p>PROBLEM TO BE SOLVED: To fringe an edge without degrading image quality of a color image after screen processing.SOLUTION: A color conversion unit 33 converts edge neighborhood portions around one edge and another edge of a black determination range determined to be composite black into pure black, and a fringing edge specifying unit 35 sets, as a mask range, a range inside the one edge of the black determination range and the other edge of the black determination range in the black determination range for a black plane, and specifies an edge outside the mask range as an edge to be fringed.</p> |
