• Prof.Deven ketkar

Attenuation of light that travels through a water medium subjects underwater images to several problems. As a result of low contrast and color performance, images are unclear and lose important information. Objects in these images can hardly be differentiated from the background. This study proposes a new method called Dual-Intensity Rayleigh-Stretched Contrast-Limited Adaptive Histogram specification (DIRS-CLAHS), which integrates global and local contrast correction. Our main aim is to increase image details and to improve the visibility of underwater images while enhancing image contrasts. DIRS-CLAHS can provide better results compared to current state of art methodologies. Two main steps in this proposed method are contrast and color corrections.

Underwater image processing, DIRS-CLAHS, Contrast enhancement, Color improvement, Noise reduction, Histogram stretching

"Low quality underwater image enhancement through DIRS-CLAHS method.", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 3, page no.228-231, March-2019, Available :http://www.jetir.org/papers/JETIR1903639.pdf

"Low quality underwater image enhancement through DIRS-CLAHS method.", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 3, page no. pp228-231, March-2019, Available at : http://www.jetir.org/papers/JETIR1903639.pdf