An efficient 3D model retrieval based on principal axes analysis and feature integration

Sheng-Fuu Lin*, Chin Chia Wu, Chi Yao Hsu, Dou Chih Hsu

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Three-dimensional (3D) model retrieval has gathered great importance in recent years, since the number of available 3D models on the Internet has drastically increased. Many content-based 3D model retrieval approaches have been proposed. Among these methods, visual similarity-based methods have shown higher retrieval accuracy. However, because these methods capture enormous shape features from different viewpoints or locations, a large amount of calculation and comparison is necessary. Furthermore, there is a trade-off between retrieval accuracy and speed. In this paper, a 3D model retrieval method constituting Continuous Principal Component Analysis (CPCA), Fourier descriptors, and Zernike moments is proposed. CPCA is applied to extract significant shape features based on projecting the model along the principal axes. Then, Fourier descriptors and Zernike moments are used to provide shape descriptors with rotation invariants. In addition, a feature integration process combines them. A strategy of similarity measure is proposed to solve the axes switching problem. To conclude, the experimental results show that the approach outperforms SECTORS2 and D2,18 and has slightly better retrieval results than Light Field Descriptor (LFD)6 and spin-image signatures.3 Moreover, the approach is more efficient and the storage size is much less.

Original languageEnglish
Pages (from-to)583-604
Number of pages22
JournalInternational Journal of Pattern Recognition and Artificial Intelligence
Volume25
Issue number4
DOIs
StatePublished - 1 Jun 2011

Keywords

  • 3D model retrieval
  • Fourier descriptor
  • Zernike moment
  • continuous principal component analysis

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