1. A method of modifying a rasterized digital image to reduce registration artifacts, the image having a black plane and a color plane, comprising: electronically determining if a pixel is part of a connected black region; electronically determining if the pixel is part of a connected color region; electronically determining if the pixel is part of a connected black region and a connected color region that are contiguous; and electronically performing a dilation operation on the color plane value of the pixel if the pixel is part of a connected black region and a connected color region that are contiguous.