Mitigating the effects of atmospheric distortion using DT-CWT fusion

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Abstract

This paper describes a new method for mitigating the effects of atmospheric distortion on observed images, particularly airborne turbulence which degrades a region of interest (ROI). In order to provide accurate detail from objects behind the distorting layer, a simple and efficient frame selection method is proposed to pick informative ROIs from only good-quality frames. We solve the space-variant distortion problem using region-based fusion based on the Dual Tree Complex Wavelet Transform (DT-CWT). We also propose an object alignment method for pre-processing the ROI since this can exhibit significant offsets and distortions between frames. Simple haze removal is used as the final step. The proposed method performs very well with atmospherically distorted videos and outperforms other existing methods.
Original languageEnglish
Title of host publicationIEEE International Conference on Image Processing
Pages3033
Number of pages3036
ISBN (Electronic)978-1-4673-2532-5
Publication statusPublished - 2012

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