Methods for image enhancement

Details Methods for image enhancement Methods for image enhancement

2007-01-09

2007-01-09

Wu, Jingge (Department: 2624)

Image analysis

Image transformation or preprocessing

Fourier transform

C382S260000, C382S274000, C382S275000, C358S001200, C358S003260, C358S003270

Reexamination Certificate

active

10316625

ABSTRACT:
There is disclosed a method of enhancing an image of a scene. The method divides the image into a plurality of frequency zones, and performs a plurality of Richardson and Lucy (RL) iterations of each of the frequency zones to obtain an enhanced image of the scene. The frequency zones and the plurality of RL iterations are determined using a Taguchi orthogonal array computation that minimizes radiometric errors in the enhanced image. The image may be Rayleigh sampled image obtained by a Rayleigh sampling system. A truth scene is not needed to use the method.

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