A Comparative Study of Single Image Fog Removal Methods


(a)Outdoor Foggy Image 01
(b) Ground-truth 01
(c) Outdoor Foggy Image 05
(d) Ground-truth 05


(e) Outdoor Foggy Image 12
(f) Ground-truth 12
(g) Outdoor Foggy Image 25
(h) Ground-truth 25
(i) Indoor Foggy Image 1170
(j) Ground-truth 1170
(k) Indoor Foggy Image 1774
(l) Ground-truth 1174
(m) Indoor Foggy Image 1187
(n) Ground-truth 1187
(o) Indoor Foggy Image 1202
(p) Ground-truth 1202
(q) Natural Foggy Image 3
(r) Natural Foggy Image 42
(s)Natural Foggy Image 76
(t) Natural Foggy Image 65
(u) Natural Foggy Image 83
(v) Natural Foggy Image 87
(w) Natural Foggy Image 90
(x) Natural Foggy Image 94

Fig. 2: Images from O-Haze database with their respective ground-truths (a-h); Images from D-Hazy database with their respective ground-truths (i-p); Natural foggy images from Live Defogging database (q-x)

(a) Input Foggy Image

(b) Tripathi et al

(c) Huang et al

(d) Zhu et al

(e) WGIF

(f) DehazeNet

(g) AODNet

(h) cGAN

(i) Peng et al

(j) Salazar-Colores et al

(k)Kim et al

(l) GridDehazeNet

(m) Ground-truth

Fig. 3: a)Foggy Indoor Image No. 1221 of D-Hazy Database, output of the same using:, b)Tripathi et al., c)Huang et al., d)Zhu et al., e)WGIF, f) DehazeNet, g)AOD-Net, h)cGAN, i)Peng et al., j)Salzar-colores et al., k)Kim et al., l)GridDehazeNet, and m)Ground-truth

(a) Input Foggy Image

(b) Tripathi et al

(c) Huang et al

(d) Zhu et al

(e) WGIF

(f) DehazeNet

(g) AODNet

(h) cGAN

(i) Peng et al

(j) Salazar-Colores et al

(k) Kim et al

(l) GridDehazeNet

(m) Ground-truth

Fig. 4: a)Foggy Outdoor Image No. 19 of O-Haze Database, output of the same using:, b)Tripathi et al., c)Huang et al., d)Zhu et al., e)WGIF, f) DehazeNet, g)AOD-Net, h)cGAN, i)Peng et al., j)Salzar-colores et al., k)Kim et al., l)GridDehazeNet, and m)Ground-truth

(a) Input Foggy Image

(b) Tripathi et al

(c) Huang et al

(d) Zhu et al

(e) WGIF

(f) DehazeNet

(g) AODNet

(h) cGAN

(i) Peng et al

(j) Salazar-Colores et al

(k) Kim et al

(l) GridDehazeNet

(m) Ground-truth

Fig. 5: a)Foggy Outdoor Image No. 22 of O-Haze Database, output of the same using:, b)Tripathi et al., c)Huang et al., d)Zhu et al., e)WGIF, f) DehazeNet, g)AOD-Net, h)cGAN, i)Peng et al., j)Salzar-colores et al., k)Kim et al., l) GridDehazeNet, and m)Ground-truth

(a) Input Foggy Image

(b) Tripathi et al

(c) Huang et al

(d) Zhu et al

(e) WGIF

(f) DehazeNet

(g) AODNet

(h) cGAN

(i) Peng et al

(j) Salazar-Colores et al

(k) Kim et al

(l) GriDehazeNet

Fig. 6: a)Natural Foggy Image, output of the same using:, b)Tripathi et al., c)Huang et al., d)Zhu et al., e)WGIF, f) DehazeNet, g)AOD-Net, h)cGAN, i)Peng et al., j)Salzar-colores et al., k)Kim et al., l)GridDehazeNet

(a) Foggy Image

(b) Tripathi et al

(c) Huang et al

(d) Zhu et al

(e) WGIF

(f) DehazeNet

(g) AOD-Net

(h) cGAN

(i) Peng et al

(j) Salazar-Colores et al

(k) Kim et al

(l) GridDeahzeNet

Fig 7: Enlarged version of roi containing Swan from Fig. 6