Quality of local regions in the scene could be deteriorated by the effects of ill-conditioned lighting effects and reflection. We develop a method to improve the quality of local regions. The local region of the image is firstly selected by an algorithm that is based on similarity evaluation of the region. Then the histogram
of brightness and saturation of the local region are expanded using the histogram equalization, both the
brightness and saturation are improved. In the next step, based on the distance from the point selected
by user, the improved data are combined with the original image. The local part of the image is naturally
merged with the surrounding scenes.
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