Computer Science ›› 2016, Vol. 43 ›› Issue (1): 53-56.doi: 10.11896/j.issn.1002-137X.2016.01.012

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Full Affine Curve in Curvature Scale Space Image Registration

CHAI Xian-tao, LIANG Jiu-zhen and LANG Long-ya   

  • Online:2018-12-01 Published:2018-12-01

Abstract: To solve the problems that viewpoint change of curve image results in difficult matching and recognition,we used full affine transformation model library in the gallery to find the optimal sample correlated with the target by the curvature information,so as to achieve the matching and identification of curve image.In this paper,based on image matching method of curvature full affine curve, a sample library of sample images was established according to the full affine model.In a sample library,each sample is sampled by equal interval offset sampling.Then curvature subset of samples is established for the sub-samples.A fast nearest neighbor search algorithm is carried out using the target ima-ge and the sample subset for similarity matching.Finally the optimal matching sample is found by matching results.Experimental results show that the full affine curve image registration based on curvature has a high success rate,and has more advantages compared with traditional algorithms.

Key words: Curvature,Curve matching,Full affine model,Affine invariant

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