1 files changed, 47 insertions, 0 deletions

diff --git a/SD-VBS/common/toolbox/toolbox_basic/io/read_imgs.m b/SD-VBS/common/toolbox/toolbox_basic/io/read_imgs.m
new file mode 100755
index 0000000..f84486c
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/io/read_imgs.m
@@ -0,0 +1,47 @@
+function Is = read_imgs(homedir,imgdir,prename,postname,digits,startid,endid,step_img)
+%
+% Is = read_imgs(homedir,imgdir,prename,postname,digits,startid,endid,step_img)
+%
+
+
+
+command = ['%s%s%s%.',num2str(digits),'d%s'];
+
+fname = sprintf(command,homedir,imgdir,prename,startid,postname);
+disp(fname);
+if (strcmp('.pgm',postname)),
+ I1 = readpgm(fname);
+elseif (strcmp('.ppm',postname))
+ a = readppm(fname);
+ I1 = sum(a,3);
+else
+   a = imread(fname); a = sum(double(a),3);
+   I1 = a;
+end
+
+
+Is = zeros(size(I1,1),size(I1,2),1+floor((endid-startid)/step_img));
+Is(:,:,1) = I1;
+im_id = 1;
+for j = startid+step_img:step_img:endid,
+    command = ['%s%s%s%.',num2str(digits),'d%s'];
+    fname = sprintf(command,homedir,imgdir,prename,j,postname);
+    disp(fname);
+    im_id = im_id+1;
+    
+    if (strcmp('.pgm',postname)),
+      Is(:,:,im_id) = readpgm(fname);
+    elseif (strcmp('.ppm',postname))
+      a = readppm(fname);
+      Is(:,:,im_id) = sum(a,3);
+    else
+      a = imread(fname); a = sum(double(a),3);
+      Is(:,:,im_id) = a;
+    end
+end
+
+
+
+
+
+