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Published in:
2015 | OriginalPaper | Chapter
25. Dark Pixels Law-Based Image Dehazing in UAV Reconnaissance
Authors : Qinlan Yue, Hongjie Zheng, Chengneng Jiang
Published in: Proceedings of the 15th International Conference on Man–Machine–Environment System Engineering
Publisher: Springer Berlin Heidelberg
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Abstract
The visible light band is an important band of UAV reconnaissance to acquire the information of targets. In this paper, degradation principles of haze images in UAV reconnaissance is first demonstrated by analyzing the effect of haze and fog upon UAV reconnaissance imaging. Then the entire atmospheric scattering model of haze images is set up straightly, and a realization of recovering a haze-free image in UAV reconnaissance using dark pixels law is discussed. Experiment results indicate that image dehazing based on dark pixels law can significantly improve the quality of reconnaissance tasks when there is a haze atmosphere around and a visible light imaging equipment onboard. The experimental results show that the method has obvious promotion effect on UAV reconnaissance equipment implementation of visible light imaging reconnaissance tasks in the haze situation.