发明名称 Image processing apparatus, image processing method and medium
摘要 A judgment reference data having a resolution lower than a nozzle resolution in a nozzle arranging direction is generated based on input image data. The judgment reference data and read data acquired by reading a printed image are compared to judge whether the printed image has color unevenness or not.
申请公布号 US9475321(B2) 申请公布日期 2016.10.25
申请号 US201514806443 申请日期 2015.07.22
申请人 Canon Kabushiki Kaisha 发明人 Ikegami Shinsuke;Kuronuma Akira;Kubozono Kenji
分类号 B41J29/38 主分类号 B41J29/38
代理机构 Canon U.S.A., Inc. IP Division 代理人 Canon U.S.A., Inc. IP Division
主权项 1. An image processing apparatus for inspecting a printed image printed based on image data by using a print head having a plurality of nozzles for discharging ink aligned at first alignment pitches in a first direction and printed on a printing medium conveyed in a second direction intersecting the first direction, the apparatus comprising: a generating unit configured to generate, based on the image data, judgment image data used for inspection of the printed image, wherein a resolution of an image corresponding to the judgment image data in the first direction is a second resolution which is lower than a first resolution corresponding to the first alignment pitches; and an inspection unit configured to inspect the printed image by comparing read data, which represents an image having a resolution in the first direction equal to the second resolution and is acquired by reading the printed image printed on the printing medium, with the judgment image data.
地址 Tokyo JP