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Multiscale curvature-based shape representation using B-spline wavelets

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3 Author(s)
Yu-Ping Wang ; Sch. of Med., Washington Univ., St. Louis, MO, USA ; Lee, S.L. ; Toraichi, K.

This paper presents a new multiscale curvature-based shape representation technique with application to curve data compression using B-spline wavelets. The evolution of the curve is implemented in the B-spline scale-space, which enjoys a number of advantages over the classical Gaussian scale-space, for instance, the availability of fast algorithms. The B-spline wavelet transforms are used to efficiently estimate the multiscale curvature functions. Based on the curvature scale-space image, we introduce a coarse-to-fine matching algorithm which automatically detects the dominant points and uses them as knots for curve interpolation

Published in:

Image Processing, IEEE Transactions on  (Volume:8 ,  Issue: 11 )

Date of Publication:

Nov 1999

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