Uniform and non-uniform dynamic range remapping for optimum imag

Details Uniform and non-uniform dynamic range remapping for optimum imag Uniform and non-uniform dynamic range remapping for optimum imag

1996-09-27

1998-11-10

Rogers, Scott

Image analysis

Applications

Biomedical applications

382239, 382261, 382266, 382274, G06K 936, G06T 500, G06T 900

Patent

active

058356185

ABSTRACT:
A contexture dependent dynamic range remapping system utilizes background estimation, mask generation, parameter estimation and dynamic range remapping of an original image to provide an optimum output image. The dynamic range remapping includes an additive algorithm or a multiplicative algorithm or a combination of both algorithms. The output from the algorithms could be filtered by an edge-preserving filter to provide a filtered output image. The system adaptively compresses the dynamic range of the DC and slow-varying signals in the original image significantly while preserving and enhancing fine structures.

REFERENCES:
patent: 5051902 (1991-09-01), Hishinuma
patent: 5357549 (1994-10-01), Maack et al.
patent: 5454044 (1995-09-01), Nakajima
patent: 5454053 (1995-09-01), Okubo et al.
patent: 5493622 (1996-02-01), Tsuchino et al.

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