THRESHOLD VALUE MATRIX CREATING METHOD, IMAGE OUTPUT SYSTEM, STORAGE MEDIUM, GRADATION REPRODUCING METHOD, THRESHOLD VALUE MATRIX, IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS AND PRINTER DRIVER

摘要

ABSTRACT threshold matrix generation methods generate threshold matrix quantization multilevel image data be divided into three it is valued to represent halftone data so as to by a variety of points of ON and OFF state. This method includes the binarization threshold matrix of first stage layout order threshold value for the multi-level image data, so as to indicate halftoning by a kind of particle of ON and OFF state, 2nd stage, it generates in this way and is divided into three valued data for each threshold matrix quantization multilevel image data, determine layout order by the first order according to the threshold value.