Inkjet printing apparatus and inkjet printing method

An inkjet printing apparatus includes an edge detecting unit adapted to detect an edge portion and a non-edge portion in the image data; a memory adapted to store a plurality of edge reducing masks used to reduce image data in the edge portion and a plurality of non-edge reducing masks used to reduc...

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Bibliographic Details
Main Authors Kanematsu, Daigoro, Nagamura, Mitsutoshi, Furuichi, Tomomi, Suzuki, Kazuo, Ogata, Takao
Format Patent
LanguageEnglish
Published 08.07.2008
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Summary:An inkjet printing apparatus includes an edge detecting unit adapted to detect an edge portion and a non-edge portion in the image data; a memory adapted to store a plurality of edge reducing masks used to reduce image data in the edge portion and a plurality of non-edge reducing masks used to reduce image data in the non-edge portion; a reduced data generating unit adapted to generate multiple sets of edge reduced data from image data in the edge portion using the plurality of edge reducing masks and to generate multiple sets of non-edge reduced data from image data in the non-edge portion using the plurality of non-edge reducing masks; and a printing data generating unit adapted to generate multiple sets of printing data by combining the multiple sets of edge reduced data and the multiple sets of non-edge reduced data.