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Target Matching Recognition for Satellite Images Based on the Improved FREAK Algorithm

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  • Yantong Chen
  • Wei Xu
  • Yongjie Piao

Abstract

Satellite remote sensing image target matching recognition exhibits poor robustness and accuracy because of the unfit feature extractor and large data quantity. To address this problem, we propose a new feature extraction algorithm for fast target matching recognition that comprises an improved feature from accelerated segment test (FAST) feature detector and a binary fast retina key point (FREAK) feature descriptor. To improve robustness, we extend the FAST feature detector by applying scale space theory and then transform the feature vector acquired by the FREAK descriptor from decimal into binary. We reduce the quantity of data in the computer and improve matching accuracy by using the binary space. Simulation test results show that our algorithm outperforms other relevant methods in terms of robustness and accuracy.

Suggested Citation

  • Yantong Chen & Wei Xu & Yongjie Piao, 2016. "Target Matching Recognition for Satellite Images Based on the Improved FREAK Algorithm," Mathematical Problems in Engineering, Hindawi, vol. 2016, pages 1-9, October.
    • Handle: RePEc:hin:jnlmpe:1848471
    DOI: 10.1155/2016/1848471
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