A fast and better shoreline extraction of Nagapattinam coast from TM/ETM+/OLI images based on edge detection and image filter method.

Abstract

Present study consists a fast and better shoreline identification method based on canny edge detection and image filter method. In order to validate the proposed methods, three locations (Nagapattinam beach, Velankanni beach and Kodiakkarai fishing harbour) were chosen. The outputs shown that the proposed canny edge detection algorithms could interpret the shorelines better than the image filter method with acceptable precision, which exceeded 2pixels for canny edge detection and 4 to 5 pixel for image filter methods.