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VF-SIFT: Very Fast SIFT Feature Matching

  • Faraj Alhwarin
  • Danijela Ristić–Durrant
  • Axel Gräser
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6376)

Abstract

Feature-based image matching is one of the most fundamental issues in computer vision tasks. As the number of features increases, the matching process rapidly becomes a bottleneck. This paper presents a novel method to speed up SIFT feature matching. The main idea is to extend SIFT feature by a few pairwise independent angles, which are invariant to rotation, scale and illumination changes. During feature extraction, SIFT features are classified based on their introduced angles into different clusters and stored in multidimensional table. Thus, in feature matching, only SIFT features that belong to clusters, where correct matches may be expected are compared. The performance of the proposed methods was tested on two groups of images, real-world stereo images and standard dataset images, through comparison with the performances of two state of the arte algorithms for ANN searching, hierarchical k-means and randomized kd-trees. The presented experimental results show that the performance of the proposed method extremely outperforms the two other considered algorithms. The experimental results show that the feature matching can be accelerated about 1250 times with respect to exhaustive search without losing a noticeable amount of correct matches.

Keywords

Very Fast SIFT VF-SIFT Fast features matching Fast image matching 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Faraj Alhwarin
    • 1
  • Danijela Ristić–Durrant
    • 1
  • Axel Gräser
    • 1
  1. 1.Institute of AutomationUniversity of BremenBremenGermany

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