(a) image

(b) Ground Truth

(c) NFA+RNFA, R =0.86, P = 0.89, F = 0.88

(d) RNFAEdge, R =0.78, P = 0.89, F = 0.83

(e) CannyLines, R =0.79, P = 0.87, F = 0.83

(f) EDLines, R =0.51, P = 0.82, F = 0.63

(g) LSD, R =0.58, P = 0.91, F = 0.71