Abstract
A pseudo one pass parallel thinning algorithm using 3×3 masks is proposed. Since electromagnetic waves propagate along the direction of wave vector, we suggest verifying for each edge point its interior normal neighbor (INN), the nearest neighbor to the wave vector. In each iteration, the algorithm first marks all edge points to differentiate edge and interior pixels and then it erases all removal edge points in one scan. Due to INN, the few masks used have a size of 3×3 and less than half of mask pixels need verification. The algorithm is fast and easy to implement. Properties are proved and results presented.
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© 1995 Springer-Verlag Berlin Heidelberg
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Xia, F. (1995). Parallel thinning algorithm based on the wave propagation's model. In: Hlaváč, V., Šára, R. (eds) Computer Analysis of Images and Patterns. CAIP 1995. Lecture Notes in Computer Science, vol 970. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-60268-2_405
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DOI: https://doi.org/10.1007/3-540-60268-2_405
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