Image analysis – Image enhancement or restoration
Reexamination Certificate
2011-04-26
2011-04-26
Couso, Yon (Department: 2624)
Image analysis
Image enhancement or restoration
C382S274000
Reexamination Certificate
active
07933463
ABSTRACT:
In accordance with the present invention, there is provided a method for removing the effect of light scattering in a digitized image of a light-scattering film comprising providing a light-scattering correction film that has a uniform optical density; providing a light scattering target film that has a pattern of optical densities; scanning the correction film with a film scanner to create a digital correction film image; scanning the target film with a film scanner to create a digital target film image; measuring the two-dimensional pattern of responses present in the digital correction film image; determining a correction function from the two-dimensional pattern of responses to correct for the effect of light scattering in the digital correction film image; and applying the correction function to the target film image to provide a corrected target film image.
REFERENCES:
patent: 5566012 (1996-10-01), Koshimizu et al.
patent: 7053927 (2006-05-01), Jones et al.
patent: 7272257 (2007-09-01), Toba
Delana Anna
Lewis David F.
Menegotti Loris
Couso Yon
Davis William J.
ISP Investments Inc.
Thompson Hine LLP
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