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IEEE Trans Pattern Anal Mach Intell. 2008 Aug;30(8):1444-59. doi: 10.1109/TPAMI.2007.70795.

Metamorphs: deformable shape and appearance models.

Author information

  • 1Computer Science and Engineering Department, Lehigh University, Berthlehem, PA 18015, USA. huang@cse.lehigh.edu

Abstract

This paper presents a new deformable modeling strategy aimed at integrating shape and appearance in a unified space. If we think traditional deformable models as active contours or evolving curve fronts, the new deformable shape and appearance models we propose are deforming disks or volumes. Each model has not only boundary shape but also interior appearance. The model shape is implicitly embedded in a higher dimensional space of distance transforms, thus represented by a distance map image. In this way, both shape and appearance of the model are defined in the pixel space. A common deformation scheme, the Free Form Deformations (FFD), parameterizes warping deformations of the volumetric space in which the model is embedded in, hence deforming both model boundary and interior simultaneously.

PMID:
18566497
[PubMed - indexed for MEDLINE]
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