Mask for changing the brightness profile of a photographic copy

Details Mask for changing the brightness profile of a photographic copy Mask for changing the brightness profile of a photographic copy

G - Physics

03

B

G03B 27/80 (2006.01) G03B 27/72 (2006.01) H04N 5/238 (2006.01)

Patent

CA 2295433

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.

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