Patent ID: 8287072
Filing Date: 2012-10-16
Classification: B41J,H04N

Abstract:
1. A method for processing image data including pixels received from an image data source in preparation for multipass printing, comprising a processor for performing the following: a) multitoning the image data to produce a multitoned image having a multitone image resolution R b) using the multitone level of a pixel in the multitoned image to select a plane of a print mask; c) using the location of the pixel in the multitoned image to select a cell including a plurality of output pixels in the selected plane of the print mask, wherein the output pixels store values representing the number of drops to be printed at corresponding locations for a particular printing pass; d) copying the selected cell of output pixels to corresponding locations within a print buffer; and e) repeating steps b) through d) for a plurality of pixels in the multitoned image; wherein the size of each cell is n×m, where n═R