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Digital shapes, digital boundaries and rigid transformations: A topological discussion

Yukiko KenmochiPhuc NgoNicolas PassatHugues Talbot — 2013

Actes des rencontres du CIRM

Curvature is a continuous and infinitesimal notion. These properties induce geometrical difficulties in digital frameworks, and the following question is naturally asked: “How to define and compute curvatures of digital shapes?” In fact, not only geometrical but also topological difficulties are also induced in digital frameworks. The – deeper – question thus arises: “Can we still define and compute curvatures?” This latter question, that is relevant in the context of digitization, , when passing...

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