Method\images

Image 1

Image 2

Image3

Image4

Bi-threshold

(recall/precision) 1/0.4691

1/0.4751

1/0.4590

1/4604

PCA

1/0.6711

1/0.6605

1/0.6315

1/0.5645

Soft shadow

0.9601/0.8961

0.9488/0.8044

0.9401/0.7981

0.9882/0.7890

Propsed method

0.9844/0.9011

0.9647/0.8222

0.9655/0.8122

0.9547/0.8011