(a) image

(b) Ground Truth

(c) NFA+RNFA, R =0.90, P = 0.86, F = 0.88

(d) RNFAEdge, R =0.89, P = 0.90, F = 0.90

(e) CannyLines, R =0.86, P = 0.92, F = 0.89

(f) EDLines, R =0.69, P = 0.86, F = 0.77

(g) LSD, R =0.73, P = 0.91, F = 0.81