Applying a tone scale function to a digital image

Details Applying a tone scale function to a digital image Applying a tone scale function to a digital image

2007-07-17

2007-07-17

Mancuso, Joseph (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

C382S162000, C382S261000

Reexamination Certificate

active

10692220

ABSTRACT:
A method of applying a tone scale function that is compressive, expansive or a combination of both to a digital image, the method including decomposing the tone scale function into two or more composite functions that can be applied sequentially to the digital image; applying the first composite function to the digital image with a tone scale applicator to produce a tone scaled digital image; and applying the second composite function to the tone scaled digital image to produced an enhanced digital image.

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