发明名称 Classification to change exposure within a cell of different pixels
摘要 A method and arrangement for reproducing an original image, scans an original image to produce a digitized image, this digitized image containing a plurality of pixels. The pixels are grouped into cells, and the pixels in each cell are classified into one of at least two classes. An exposure level for printing these pixels is modified according to this classification. The pixels are printed according to the modified exposure levels to reproduce the original image with even halftone lightness jumps.
申请公布号 US5359431(A) 申请公布日期 1994.10.25
申请号 US19920894858 申请日期 1992.06.05
申请人 EASTMAN KODAK COMPANY 发明人 NG, YEE S.
分类号 H04N1/405;(IPC1-7):H04N1/40 主分类号 H04N1/405
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