3D shape retrieval using bag-of-feature method basing on local codebooks

  • Authors:
  • El Wardani Dadi;El Mostafa Daoudi;Claude Tadonki

  • Affiliations:
  • Faculty of Sciences, LaRi Laboratory, University of Mohammed First, Oujda, Morocco;Faculty of Sciences, LaRi Laboratory, University of Mohammed First, Oujda, Morocco;Laboratory of Research in Computer, Math & System, Mines ParisTech, Fontainebleau, France

  • Venue:
  • ICISP'12 Proceedings of the 5th international conference on Image and Signal Processing
  • Year:
  • 2012

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Abstract

Recent investigations illustrate that view-based methods, with pose normalization pre-processing get better performances in retrieving rigid models than other approaches and still the most popular and practical methods in the field of 3D shape retrieval [9,10,11,12]. In this paper we present an improvement of the BF-SIFT method proposed by Ohbuchi et al [1]. This method is based on bag-of-features to integrate a set of features extracted from 2D views of the 3D objects using the SIFT (Scale Invariant Feature Transform [2]) algorithm into a histogram using vector quantization which is based on a global visual codebook. In order to improve the retrieval performances, we propose to associate to each 3D object its local visual codebook instead of a unique global codebook. The experimental results obtained on the Princeton Shape Benchmark database [3] show that the proposed method performs better than the original method.