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Feature Reduction and Noise Removal in SURF Framework for Efficient Object Recognition in Images

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Speeded up Robust Features (SURF) is an interest point detector and descriptor which has been popularly used for object recognition. However, in real time object recognition applications, SURF framework can not be used because of its expensive nature. In this paper, a feature reduction process is proposed by using only the most repeatable features for matching. The feature reduction step results in a remarkable computational speed up with little loss of accuracy. A noise-reduction process allows a further increase in matching speed and also reduces the false positive rates. A modified definition of the second-neighbor in the nearest neighbor ratio matching strategy allows matching with increased reliability. The comparative analysis with SURF framework shows that the proposed framework can be useful in applications where the accuracy can be sacrificed to save computational cost.
Original languageEnglish
Title of host publicationIT Convergence and Security 2012
PublisherSpringer, Dordrecht
Pages529-535
Number of pages7
ISBN (Electronic)978-94-007-5860-5
ISBN (Print)978-94-007-5859-9
DOIs
Publication statusPublished online - 11 Dec 2012

Publication series

NameLecture Notes in Electrical Engineering

Keywords

  • Object recognition
  • SURF features
  • Pose estimation
  • Noise reduction
  • Feature matching

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