--- a
+++ b/combinedDeepLearningActiveContour/functions/disImgs.m
@@ -0,0 +1,23 @@
+% display gray images
+function disImgs(I,num)
+% I : input images as a 2D/3D matrix
+% number of images to displayed
+
+if nargin==1
+    num=1;
+end
+
+[x y z]=size(I);
+
+npx=ceil(num/5);
+npy=max([ceil(num/5),5]);
+
+figure
+for k=1:num
+    subplot(npx,npy,k);
+    imagesc(I(:,:,k));
+    colormap(gray);
+end
+
+
+end
\ No newline at end of file