--- a
+++ b/combinedDeepLearningActiveContour/functions/calc_dm.m
@@ -0,0 +1,11 @@
+% calculate dice metric from contours
+function dm = calc_dm(autoPoints,manualPoints,para)
+    %calc dice metric
+    auto_mask = poly2mask (autoPoints(:,1),autoPoints(:,2),double(para.width),double(para.height));
+    manual_mask = poly2mask (manualPoints(:,1),manualPoints(:,2),double(para.width),double(para.height));
+
+    auto_size = sum(auto_mask(:)>0);
+    manual_size = sum(manual_mask(:)>0);
+    intersect_size = sum((auto_mask(:) + manual_mask(:))==2);
+    dm = 2 * intersect_size / (auto_size + manual_size);
+end
\ No newline at end of file