(a) image

(b) Ground Truth

(c) NFA+RNFA, R =0.84, P = 0.75, F = 0.79

(d) RNFAEdge, R =0.79, P = 0.84, F = 0.82

(e) CannyLines, R =0.78, P = 0.79, F = 0.79

(f) EDLines, R =0.71, P = 0.71, F = 0.71

(g) LSD, R =0.76, P = 0.80, F = 0.78