Image contrast enhancing method

Details Image contrast enhancing method Image contrast enhancing method

1995-11-09

1998-02-10

Rogers, Scott A.

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

382131, 382132, G06K 936

Patent

active

057177910

ABSTRACT:
A contrast enhancing processing method is disclosed that is based on a transformation of an original image into a multiresolution edge representation based on a wavelet transform. The multiresolution edge representation is modified and subsequently subjected to a reconstruction procedure. Different embodiments are disclosed that are based on different forms of the multiresolution edge representation.

REFERENCES:
patent: 5461655 (1995-10-01), Vuylsteke et al.
patent: 5467404 (1995-11-01), Vuylsteke et al.
patent: 5546473 (1996-08-01), Vuylsteke et al.
patent: 5598481 (1997-01-01), Nishikawa et al.

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