Shape Preserving Edge Enhancement in Remote Sensing Imagery

TitleShape Preserving Edge Enhancement in Remote Sensing Imagery
Publication TypeConference Paper
Year of Publication2002
AuthorsChowdhury, M. S., and D. A. Clausi
Conference NameIEEE International Geoscience and Remote Sensing Symposium
Keywordsbest gradient path, edge detection, geometric shape preservation, geophysical signal processing, image enhancement, iteration, iterative method, measurement technique, missing link, ocean, oceanographic techniques, orientation, radar imaging, radar remote sensing, remote sensing by radar, SAR, sea ice, shape preserving edge enhancement, spaceborne radar, synthetic aperture radar

A novel approach to geometric shape preservation of remote sensing SAR sea ice images is presented in this paper. This approach will complement the existing edge detection schemes. The final edge is evolved by iterations. During each iteration all existing edges are checked for missing link and missing links are found by checking the orientation of the existing edges and by searching for best gradient path. When open edges are reduced considerably, opening of the features that are critical for shape preservation are found by tracing the edges and closing the boundary.