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A Robust Filtering Algorithm for Subpixel Reconstruction of Chain Coded Line Drawings

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2 Author(s)
Koplowitz, J. ; Department of Electrical and Computer Engineering, Clarkson University, Potsdam, NY 13676. ; Raj, A.P.Sundar

A robust algorithm is presented for smoothing and achieving subpixel accuracy in the reconstruction of chain coded line drawings. The algorithm does not remove sharp corners and does not need a priori knowledge of curvature statistics. A fast on-line implementation can be achieved using a table look-up. A simplified algorithm can be used for reconstructing digitized polygons.

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Pattern Analysis and Machine Intelligence, IEEE Transactions on  (Volume:PAMI-9 ,  Issue: 3 )