(a) image
(b) Ground Truth
(c) NFA+RNFA, R =0.84, P = 0.84, F = 0.84
(d) RNFAEdge, R =0.81, P = 0.80, F = 0.80
(e) CannyLines, R =0.84, P = 0.75, F = 0.79
(f) EDLines, R =0.54, P = 0.74, F = 0.63
(g) LSD, R =0.65, P = 0.79, F = 0.71