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Atmospheric Turbulence Degraded-Image Restoration by Kurtosis Minimization

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2 Author(s)
Dalong Li ; Pegasus Imaging Corp., Tampa, FL ; Simske, S.

Atmospheric turbulence is caused by the random fluctuations of the refraction index of the medium. It can lead to blurring in images acquired from a long distance away. Since the degradation is often not completely known, the problem is viewed as blind image deconvolution or blur identification. Our previous work has observed that blurring increases kurtosis and introduced a new blur identification method based on kurtosis minimization (KM). In this letter, this observation has been studied using phase correlation. The KM method is compared with two other signal processing methods. The limitation of the method is also discussed.

Published in:

Geoscience and Remote Sensing Letters, IEEE  (Volume:6 ,  Issue: 2 )

Date of Publication:

April 2009

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