From f618466c25d43f3bae9e40920273bf77de1e1149 Mon Sep 17 00:00:00 2001
From: leochanj105 <leochanj@live.unc.edu>
Date: Mon, 19 Oct 2020 23:09:30 -0400
Subject: initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs
---
 .../toolbox/toolbox_basic/stella/getimage2.m       | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100755 SD-VBS/common/toolbox/toolbox_basic/stella/getimage2.m

(limited to 'SD-VBS/common/toolbox/toolbox_basic/stella/getimage2.m')

diff --git a/SD-VBS/common/toolbox/toolbox_basic/stella/getimage2.m b/SD-VBS/common/toolbox/toolbox_basic/stella/getimage2.m
new file mode 100755
index 0000000..945ddd2
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/stella/getimage2.m
@@ -0,0 +1,46 @@
+% function f = getimage2(imagefile) returns a normalized intensity image.
+% If the file postfix is not given, then I will search any possible image file
+% under the IMAGE_DIR.
+
+% Stella X. Yu, March 1999
+
+function f = getimage2(imagefile)
+
+if exist(imagefile)==2,
+   g = {imagefile};
+else
+   g = {};
+end
+globalenvar;
+g = [g; getfnames(IMAGE_DIR,[imagefile,'.*'])];
+
+j = 1;
+for i=1:length(g),
+   k = findstr(g{i},'.');
+   gp = g{i}(k(end)+1:end);
+   if strcmp(gp,'ppm'),
+      f = double(readppm(g{i}));
+      j = 0;
+   elseif sum(strcmp(gp,{'jpg','tif','jpeg','tiff','bmp','png','hdf','pcx','xwd'}))>0,
+      f = double(imread(g{i}));
+      j = 0;
+   end
+   if j==0,
+      disp(sprintf('This is an image read from %s under %s',g{i},IMAGE_DIR));
+      break;
+   end
+end
+if j,
+   f = [];
+   disp('Image not found');
+   return;
+end
+         
+if size(f,3)>1,
+    %f = sum(f,3)./3;
+   f = rgb2ntsc(f);
+   f = f(:,:,1);
+end
+minf = min(f(:));
+maxf = max(f(:));
+f = (f - minf) ./ (maxf - minf);
-- 
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