Rotated complex wavelet transform with vocabulary tree for content based image retrieval

  • Authors:
  • Anil Balaji Gonde;R. P. Maheshwari;R. Balasubramanian

  • Affiliations:
  • IIT Roorkee;IIT Roorkee;IIT Roorkee

  • Venue:
  • Proceedings of the First International Conference on Intelligent Interactive Technologies and Multimedia
  • Year:
  • 2010

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Abstract

In this paper, we propose a new approach for image retrieval by using texture features. Texture features are grabbed by using the combinations of two-dimensional complex wavelet transform (CWT) and rotated complex wavelet filters (RCWF) in combination with spatial orientation tree (SOT) and vocabulary tree (VT). The parent-offspring relationship among the wavelet coefficients in multi-resolution wavelet sub-bands are demonstrated with the help of SOT which gives the set of descriptor vectors for each image that are further indexed by the use of vocabulary tree. The directional information has been captured precisely with the help of CWT and RCWT as when compared with discrete wavelet transform. The proposed method is well established on Texture database and significant improvement in average recall rate is seen as compared to the method adopted using complex wavelet transform and rotated complex wavelet filter.