Sharpening Enhancement of Ultra Sound Images using Firefly Algorithm

Nature-inspired search algorithms have proved to be successful in solving real-world optimization problems. Firefly algorithm is a novel meta-heuristic algorithm which simulates the natural behavior of fireflies. This paper proposes a new sharpening technique based on the contourlet transform and firefly algorithm. Numerical results indicate the efficiency of the proposed approach. The parameters like enhancement measure (EME), structural similarity (SSIM), Echo Planar Imaging (EPI), and peak signal to noise ratio (PSNR) evaluate the improved performances of the proposed technique. The comparison shows that the proposed algorithm performs better in terms of the visual quality of the image and prove that artificial intelligence schemes based sharpening enhancement achieved better results than that of Contourlet transform technique.