发明名称 Mask changing the brightness profile of a photographic copy
摘要 Process for determining a mask for changing a brightness profile of a photographic copy with the following steps: photographic image data are derived from photographically recorded image information; optimized image data are obtained by correction of the photographic image data, wherein errors which were created to during the photographic recording of the image information are considered; a brightness mask, the values of which embody an influencing of the brightness profile of the photographic copy is determined based on the optimized image data.
申请公布号 US6458492(B1) 申请公布日期 2002.10.01
申请号 US20000489948 申请日期 2000.01.24
申请人 GRETAG IMAGING TRADING AG 发明人 KRAFT WALTER
分类号 H04N1/40;G03B27/72;G03B27/80;(IPC1-7):G03C5/08;G03C7/18;H04N1/46 主分类号 H04N1/40
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