Hierarchical Vibrations: A Structural Decomposition Approach for Image Analysis

  • Authors:
  • Karin Engel;Klaus D. Toennies

  • Affiliations:
  • Dept. of Simulation and Graphics, Otto---von---Guericke University Magdeburg, Germany;Dept. of Simulation and Graphics, Otto---von---Guericke University Magdeburg, Germany

  • Venue:
  • EMMCVPR '09 Proceedings of the 7th International Conference on Energy Minimization Methods in Computer Vision and Pattern Recognition
  • Year:
  • 2009

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Abstract

We present results demonstrating that using a hierarchy of finite element vibration modes in an evolutionary deformable shape search provides a new interesting approach for the localization and segmentation of specific objects in 2D images. The design and coupling of the different levels of the shape hierarchy results in a multi---resolution shape space, which can be exploited in top---down part---based shape matching. The proposed strategy allows for segmenting complex objects from images, classification, as well as localization of the desired object under occlusions. It avoids misregistration by resolving several drawbacks inherent to standard shape---based approaches, which either cannot adequately represent non---linear variations, or rely on exhaustive prior training.