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The Application of Image Edge Detection in Matching Region Selection of Underwater Terrain-Aided Navigation

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3 Author(s)
Jian Shen ; Dept. of Weaponry Eng., Naval Univ. of Eng., Wuhan, China ; Jingyuan Zhang ; Xuan Luo

Matching region selection is one of the bases of underwater terrain-aided navigation technology. Boundary division of topographic statistical map, which provides convenience to matching region selection and route planning, can be accomplished quickly when using image edge detection on it. This article firstly introduced the characteristics of edge detection operators; the grayscale image was transformed from the underwater terrain model according to the edge detection requirement. Terrain entropy was calculated as well based on the grayscale level information. Then edges in the terrain entropy image were determined using three kinds of edge detection operators respectively. Finally, the underwater terrain matching simulation was implemented in the selected regions which proved the feasibility of matching region selection based on the image edge detection.

Published in:

Computational Intelligence and Software Engineering (CiSE), 2010 International Conference on

Date of Conference:

10-12 Dec. 2010