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ψ-s correlation and dynamic time warping: two methods for tracking ice floes in SAR images

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5 Author(s)
McConnell, R. ; Vexel Corp., Boulder, CO, USA ; Kwok, R. ; Curlander, J.C. ; Kober, W.
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The authors present two algorithms for performing shape matching on ice floe boundaries in SAR (synthetic aperture radar) images. These algorithms quickly produce a set of ice motion and rotation vectors that can be used to guide a pixel value correlator. The algorithms match a shape descriptor known as the ψ-s curve. The first algorithm uses normalized correlation to match the ψ-s curves, while the second uses dynamic programming to compute an elastic match that better accommodates ice floe deformation. Some empirical data on the performance of the algorithms on Seasat SAR images are presented

Published in:

Geoscience and Remote Sensing, IEEE Transactions on  (Volume:29 ,  Issue: 6 )