发明名称 Method and apparatus for improving image quality
摘要 <p>Achromatic Component Addition technique for producing printed ink-jet images of high quality, low granularity, and increased resolution of dithered gradients. Drops of chromatic inks (46) are combined with drops of achromatic ink (43) in any predetermined ratio and in any predetermined order on predetermined areas (42) on a printing medium (27) to produce imaged areas having differing lightness and lower chroma. The technique increases the number of color levels without increasing printer resolution and effectively increases resolution of dithered gradients by requiring fewer addressable pixels to produce the same color transition. &lt;IMAGE&gt;</p>
申请公布号 EP0845364(A2) 申请公布日期 1998.06.03
申请号 EP19970307944 申请日期 1997.10.07
申请人 HEWLETT-PACKARD COMPANY 发明人 SMITH, GREG S.;WISNOSKY, MARK G.
分类号 B41J2/07;B41J2/21;B41J2/485;(IPC1-7):B41J2/21 主分类号 B41J2/07
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