Medial faces from a concise 3D thinning algorithm

Antoine Manzanera, Thierry M. Bernard, Francoise Preteux, Bernard Longuet

Research output: Contribution to journalConference articlepeer-review

Abstract

We propose in this paper a new 3D fully parallel thinning algorithm that we believe to be the most concise due to its simple characterization. The algorithm is indeed completely defined by a set of five patterns, three removing conditions and two non-removing conditions. These patterns are designed from the two fundamental and compatible constraints usually expected in skeleta: (1) Topology preservation and (2) Medial surface. From these two constraints, the removing patterns (α1, α2 and α3) detect the non-local maxima, whereas the non-removing patterns (β1 and β2) prevent any topology change that the removing conditions could imply. We show that the three mentioned constraints are respected. The logical conciseness of our procedure, called MB-3D, makes it to our knowledge the easiest 3D thinning algorithm to implement. Some results are displayed, that illustrate the relevance of our approach.

Original languageEnglish
Pages (from-to)337-343
Number of pages7
JournalProceedings of the IEEE International Conference on Computer Vision
Volume1
Publication statusPublished - 1 Jan 1999
Externally publishedYes
EventProceedings of the 1999 7th IEEE International Conference on Computer Vision (ICCV'99) - Kerkyra, Greece
Duration: 20 Sept 199927 Sept 1999

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