Fast image dehazing based on multi-scale guided filtering

Thuong Van Nguyen; An Gia Vien; Chul Lee

doi:10.1117/12.2521490

22 March 2019 Fast image dehazing based on multi-scale guided filtering

Thuong Van Nguyen, An Gia Vien, Chul Lee

Proceedings Volume 11049, International Workshop on Advanced Image Technology (IWAIT) 2019; 110490Z (2019) https://doi.org/10.1117/12.2521490
Event: 2019 Joint International Workshop on Advanced Image Technology (IWAIT) and International Forum on Medical Imaging in Asia (IFMIA), 2019, Singapore, Singapore

Abstract

We propose a fast image dehazing algorithm based on multi-scale guided filtering. We first construct an image pyramid from a hazy input image. Then, based on the observation that the most time-consuming procedure is the estimation of the transmission map and atmospheric light, we estimate them only at the coarsest level. Then, we obtain the transmission map at the finest level by upsampling and guided image filtering. Experimental results show that the proposed algorithm is capable of real-time operation, while providing comparable or even better performance than the state-of-the-art algorithms.

Citation Download Citation

Thuong Van Nguyen, An Gia Vien, and Chul Lee "Fast image dehazing based on multi-scale guided filtering", Proc. SPIE 11049, International Workshop on Advanced Image Technology (IWAIT) 2019, 110490Z (22 March 2019); https://doi.org/10.1117/12.2521490

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KEYWORDS

Image transmission

Image filtering

Air contamination

Image restoration

RGB color model

Algorithm development

Atmospheric modeling

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