Fig. 20
From: A review on dark channel prior based image dehazing algorithms
The result of refined transmission map using the guided filter. a Hazy images. b Transmission maps obtained using the local patch with the size 3 × 3. c Guided filtered transmission maps using ε = 0.01. d Transmission maps obtained using the local patch with the size 15 × 15. e Guided filtered transmission maps using ε = 0.01