Fig. 5From: A review on dark channel prior based image dehazing algorithmsDark channels of various patch size obtained by Eq. (4). a Hazy image. Dark channels obtained by Eq. (4) with the patch size of (b) 3 × 3, (c) 7 × 7, (d) 11 × 11, and (e) 15 × 15Back to article page