Invention Grant
US08547590B2 Determining a resolution of a device based on a calculated principal spatial frequency response (SFR) selected from a calculated SFR 有权
基于从计算出的SFR中选择的计算出的主空间频率响应(SFR)来确定设备的分辨率

Determining a resolution of a device based on a calculated principal spatial frequency response (SFR) selected from a calculated SFR
Abstract:
An apparatus and method of calculating a resolution. The method of calculating a resolution includes selecting a region having an edge from a test chart, calculating a spatial frequency response (SFR) of an image forming device that has printed the test chart from the selected region, setting a frequency that corresponds to a principal SFR among the calculated SFRs of the image forming device as a principal frequency of the SFR of the image forming device, and judging the set principal frequency as the resolution of the image forming device.
Public/Granted literature
Information query
Patent Agency Ranking
0/0