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An experimental comparison of autoregressive and Fourier-based descriptors in 2D shape classification

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3 Author(s)
Kauppinen, H. ; Dept. of Electr. Eng., Oulu Univ., Finland ; Seppanen, T. ; Pietikainen, M.

An experimental comparison of shape classification methods based on autoregressive modeling and Fourier descriptors of closed contours is carried out. The performance is evaluated using two independent sets of data: images of letters and airplanes. Silhouette contours are extracted from non-occluded 2D objects rotated, scaled, and translated in 3D space. Several versions of both types of methods are implemented and tested systematically. The comparison clearly shows better performance of Fourier-based methods, especially for images containing noise

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:17 ,  Issue: 2 )