Fig. 12
From: A review on dark channel prior based image dehazing algorithms
The result of the Gaussian filter. a Hazy images. b Transmission map obtained using the local patch with the size 3 × 3. c Gaussian filtered transmission map using σ s  = 5. d Transmission map obtained using the local patch with the size 15 × 15. e Gaussian filtered transmission map using σ s  = 5