Patent ID: 6290330
Filing Date: 2001-09-18
Classification: B41J,G06K,H04N

Abstract:
A method of processing color image data for printing on an inkjet printer to maintain edge quality in an image recorded on a receiving medium, comprising:receiving color image data comprising a plurality of color planes that combine to form an array of composite pixels, the color planes including at least one black plane and at least one non-black plane, wherein each color plane comprises an array of separation pixels, each separation pixel having at least two states, a first state corresponding to depositing no ink at an image location and a second state corresponding to depositing ink at an image location;identifying an interface between a black area and a non-printed area;defining an N-pixel wide border in the black area; andmodifying the color image data corresponding to the N-pixel wide border to reduce the number of second state separation pixels in a non-black plane.