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
---
 SD-VBS/common/toolbox/toolbox_basic/io/pgmread.m | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 SD-VBS/common/toolbox/toolbox_basic/io/pgmread.m

(limited to 'SD-VBS/common/toolbox/toolbox_basic/io/pgmread.m')

diff --git a/SD-VBS/common/toolbox/toolbox_basic/io/pgmread.m b/SD-VBS/common/toolbox/toolbox_basic/io/pgmread.m
new file mode 100755
index 0000000..49a35a8
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/io/pgmread.m
@@ -0,0 +1,24 @@
+function [img,header] = pgmread(filename)
+%
+%  [img,header] = pgmread(filename)
+
+[fid, msg] = fopen(filename, 'r');
+if fid == -1,
+  error(msg)
+end
+
+head = [];
+good = 0;
+while (good == 0) ,
+  l = fgetl(fid);
+  if (length(l) == 3),
+   if (l == '255'),
+    good = 1;
+    sze = sscanf(header,'%d');
+   end
+  end
+  header= l;
+end
+
+img = fread(fid, sze', 'uchar')';
+fclose(fid);
-- 
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