Connected component labeling based on the EVM model

  • Authors:
  • D. Ayala;J. Rodríguez;A. Aguilera

  • Affiliations:
  • Universitat Politècnica de Catalunya, Barcelona (Spain);Universitat Politècnica de Catalunya, Barcelona (Spain);Universidad de las Américas-Puebla, Puebla (México)

  • Venue:
  • SCCG '02 Proceedings of the 18th spring conference on Computer graphics
  • Year:
  • 2002

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Abstract

This paper presents a new approach to achieve connected component labeling on both binary images and volumes by using the Extreme Vertices Model (EVM), a representation model for orthogonal polyhedra, applied to digital images and volume datasets recently. In contrast with previous techniques, this method does not use a voxel-based approach but deals with the inner sections of the object. This approach allows us to build data size-independent algorithms and work with volumes from range data or solid modeling field indistinctly. Our proposal, also can be applied to manifold as well as non-manifold data. The algorithm actually detects non-manifold zones and permits to break or not the objects at these zones by an user-specified parameter.