Table 4.

Processing times for single-image dehazing.

Image Resolution	Dark-Channel-Prior Method [9,31]	Visibility Enhancement Algorithm [34]	Image-Contrast-Enhanced Method [25]	Dehazing Only Using Adaptive Dark Channel Prior	Non-Local Image Dehazing [20,21]	Our Method
640 × 480	0.897 s	1.014 s	0.396 s	0.506 s	2.546 s	0.433 s
480 × 400	0.516 s	0.895 s	0.165 s	0.301 s	2.387 s	0.252 s
320 × 240	0.173 s	0.348 s	0.057 s	0.262 s	2.024 s	0.211 s