Patent ID: 9542130
Date: 2017-01-10
CPC Classifications: G06F,G06K

Claim:
1. A method, comprising: receiving a print job into a print engine comprising a processor, said processor being specialized for processing image data, said print job comprising an image; producing, with said processor, an array of pixel values for each color plane of said image by applying a halftone screen associated with said print engine, said halftone screen including separate halftone frequencies and different threshold values for each color plane of said image, said halftone frequencies and said threshold values having been established during calibration of said print engine, said array of pixel values comprising a threshold array; generating, with said processor, a mask for each said color plane of said image to be applied to said halftone screen, said generating said mask comprising: applying, using said processor, said mask to said threshold array, creating a modified threshold array, said modified threshold array corresponding to reduced toner usage for a rendered image.