Laplacian feature detection and feature alignment for multimodal ophthalmic image registration using phase correlation and Hessian affine feature space - Shan Suthaharan; Ethan A. Rossi; Valerie Snyder; Jay Chhablani; Raphael Lejoyeux; José-Alain Sahel; Kunal K. Dansingani (Signal Process., 2020)