Patent ID: 8717629
Filing Date: 2014-05-06
Classification: H04N

Abstract:
1. An image-processing method comprising: acquiring multi-level tone print data expressed in multi-level tones; determining whether the acquired multi-level tone print data includes line data indicative of a line having an original tone and a combination of a first line type and a first line thickness; replacing, if the print data includes the line data, the line data indicative of the line having the original tone and the combination of the first line type and the first line thickness with specific line data indicative of a prescribed line having a prescribed tone and a combination of a second line type and a second line thickness corresponding to the original tone of the line data, replacing the line data further comprises selecting, based on the original tone of the line data, one of a plurality of sets of specific line data, which are prestored in association with a plurality of tones and which have a plurality of prescribed combinations of the second line type and the second line thickness and the prescribed tone value, and replacing the line data with the selected one set of specific line data; and converting the multi-level tone print data to binary data after replacing the line data with the specific line data.