Contrast Enhancement Using Bacteria Foraging Optimization

Abstract

Image enhancement is one of the leading field in which researches are continuously exploring new algorithms and concepts to enhance dull and low intensity images by various methods. Contrast enhancement techniques are used for improving visual quality of low contrast images. Bacteria foraging optimization(BFO) method is one such technique used for contrast enhancement. As histogram equalization(HE) preserves the original brightness, but it fails to bring out details specially in dark regions and produces artifacts and noise due to overstretching of histogram. Thus this paper processes a variant of histogram equalization i.e bacteria foraging optimization technique, which gives more efficient results.