Control of multiple frequency bands for digital image

Image analysis – Applications – Biomedical applications

Reexamination Certificate

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C382S260000

Reexamination Certificate

active

07848560

ABSTRACT:
A method of enhancing a digital image obtains the digital image, then decomposes the provided digital image according to a plurality of a number N frequency bands, including a low frequency band and more than one different higher frequency bands. Modified image data is formed by applying a gain function to image data for one or more of the N frequency bands according to a setting of a number M control points, wherein M is less than N. The modified image data for the N frequency bands are summed to form a reconstructed digital image.

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