2014 | OriginalPaper | Buchkapitel
Freeman Digitization and Tangent Word Based Estimators
verfasst von : Thierry Monteil
Erschienen in: Discrete Geometry for Computer Imagery
Verlag: Springer International Publishing
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This paper deals with the digitization of smooth or regular curves (beyond algebraic, analytic or locally convex ones). The first part explains why the Freeman square box quantization is not well-defined for such curves, and discuss possible workarounds to deal with them. In the second part, we prove that first-order differential estimators (tangent, normal, length) based on tangent words are multi-grid convergent, for any (
C
1
) regular curve, without assuming any form of convexity.