(a) image

(b) Ground Truth

(c) RNFA, R =0.64, P = 0.32, F = 0.43

(d) EDPF, R =0.73, P = 0.13, F = 0.22

(e) SREdge, R =0.84, P = 0.10, F = 0.18

(f) ED, R =0.87, P = 0.08, F = 0.14

(g) CannyPF, R =0.84, P = 0.07, F = 0.13