Facsimile and static presentation processing – Natural color facsimile – Scanning
Patent
1997-08-11
2000-07-11
Grant, II, Jerome
Facsimile and static presentation processing
Natural color facsimile
Scanning
358525, H04N 146
Patent
active
060881364
ABSTRACT:
In a method for producing index prints from photographic originals, each of the photographic originals is photoelectrically scanned in a scanning station of a photographic printer by a color- sensitive scanning system of low to medium local resolution in a plurality of first scanning regions. Using the scanning data, a digital color data set is determined for each original, with the aid of which set a digital representation of the picture content of the original is prepared for each original. The individual digital representations are grouped into a digital composite picture, from which an index print can be produced by an output device. The originals are also photoelectrically scanned in a scanning station by a locally high-resolution density scanner in a plurality of second scanning regions. From the scanning data of the density scanner, a digital density data set for each original is determined, which includes density data representative of the original and which has a higher local resolution than the color data set. In producing the digital representation of the picture content of the respective photographic original, both the associated color data set and the associated density data set are used.
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Kraft Walter
Ursprung Karl
Grant II Jerome
Gretag Imaging AG
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