IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND COMPUTER-READABLE RECORDING MEDIUM CONTAINING THE PROGRAM

摘要

In order to accurately reverse a reversed image, an image processing device includes reversed image determination means (S51-S70) for determining from a run length whether prescribed image information has an image in which a character having a gray level higher than at least that of a background is drawn or an image in which a character having a gray level lower than at least that of a background is drawn, wherein a reversed image determination is performed on a determination region. Since a reversed image is determined from a run length, an erroneous determination is prevented when non-reversed characters occupy a larger part of the determination region.