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Entropy 2012, 14(12), 2397-2407; doi:10.3390/e14122397
Article

Entropy-Based Block Processing for Satellite Image Registration

1
,
2
 and
1,*
Received: 8 October 2012 / Revised: 14 November 2012 / Accepted: 19 November 2012 / Published: 27 November 2012
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Abstract

Image registration is an important task in many computer vision applications such as fusion systems, 3D shape recovery and earth observation. Particularly, registering satellite images is challenging and time-consuming due to limited resources and large image size. In such scenario, state-of-the-art image registration methods such as scale-invariant feature transform (SIFT) may not be suitable due to high processing time. In this paper, we propose an algorithm based on block processing via entropy to register satellite images. The performance of the proposed method is evaluated using different real images. The comparative analysis shows that it not only reduces the processing time but also enhances the accuracy.
Keywords: image registration; electro-optics; block processing image registration; electro-optics; block processing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lee, I.; Seo, D.-C.; Choi, T.-S. Entropy-Based Block Processing for Satellite Image Registration. Entropy 2012, 14, 2397-2407.

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