Abstract
In high spatial resolution sensing image,it was hard to discriminate inshore ships from harbors because of the similarity of gray and texture for both targets. The half ellipse shape of the inshore ship in the contour was one of the features with better distinguish ability.An alterable included angle chain(AIAC)-based curve description was introduced to describe the inshore ship contours in this paper,which was invariant to rotation,scaling and translation.In the following an improved AIAC generation method was presented.Finally an AIAC-based inshore ship detection approach was proposed by describing and matching the counter feature of inshore ship by AIAC.Experiments based on the satellite sensing image demonstrated that the algorithm proposed could solve the inshore ship detection problem in a certain extent.
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