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Invariant Object Recognition Using Radon and Fourier Transforms

  • Guangyi Chen
  • Tien Dai Bui
  • Adam Krzyzak
  • Yongjia Zhao
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7951)

Abstract

In this paper, an invariant algorithm for object recognition is proposed by using the Radon and Fourier transforms. It has been shown that this algorithm is invariant to the translation and rotation of pattern images. The scaling invariance can be achieved by the standard normalization techniques. Our algorithm works even when the center of the pattern object is not aligned well. This advantage is because the Fourier spectra are invariant to spatial shift in the radial direction whereas existing methods assume the centroids are aligned exactly. Experimental results show that the proposed method is better than the Zernike’s moments, the dual-tree complex wavelet (DTCWT) moments, and the auto-correlation wavelet moments for one aircraft database and one shape database.

Keywords

Radon transform Fourier transform Zernike’s moments object recognition pattern recognition Gaussian white noise 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Guangyi Chen
    • 1
  • Tien Dai Bui
    • 1
  • Adam Krzyzak
    • 1
  • Yongjia Zhao
    • 2
  1. 1.Department of Computer Science and Software EngineeringConcordia UniversityMontrealCanada
  2. 2.State Key Lab. of Virtual Reality Technology and SystemsBeihang UniversityBeijingP.R. China

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