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ICASSP
2011
IEEE

Single image dehazing based on contrast enhancement

10 years 3 months ago
Single image dehazing based on contrast enhancement
A simple and adaptive single image dehazing algorithm is proposed in this work. Based on the observation that a hazy image has low contrast in general, we attempt to restore the original image by enhancing the contrast. First, the proposed algorithm estimates the airlight in a given hazy image based on the quad-tree subdivision. Then, the proposed algorithm estimates the transmission map to maximize the contrast of the output image. To measure the contrast, we develop a cost function, which consists of a standard deviation term and a histogram uniformness term. Experimental results demonstrate that the proposed algorithm can remove haze ef ciently and reconstruct ne details in original scenes clearly.
Jin-Hwan Kim, Jae-Young Sim, Chang-Su Kim
Added 20 Aug 2011
Updated 20 Aug 2011
Type Journal
Year 2011
Where ICASSP
Authors Jin-Hwan Kim, Jae-Young Sim, Chang-Su Kim
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