1 files changed, 35 insertions, 0 deletions

diff --git a/SD-VBS/common/toolbox/toolbox_basic/io/readpgm_evinfo.m b/SD-VBS/common/toolbox/toolbox_basic/io/readpgm_evinfo.m
new file mode 100755
index 0000000..69f80ba
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/io/readpgm_evinfo.m
@@ -0,0 +1,35 @@
+function [img,ev_info] = pgmread_evinfo(filename)
+% function img = pgmread(filename)
+%   this is my version of pgmread for the pgm file created by XV.
+%
+%   return the information in line # 
+
+
+fid = fopen(filename,'r');
+
+if (fid <0),
+  error(sprintf('can not find file %s',filename));
+end
+
+fscanf(fid, 'P5\n');
+cmt = '#';
+while findstr(cmt, '#'),
+  cmt = fgets(fid);
+  if findstr(cmt,'#'),
+      ev_info = sscanf(cmt,'# minv: %f, maxv: %f, scale: %f, eigval: %f');
+  end   
+  if length(findstr(cmt, '#')) ~= 1,
+      YX = sscanf(cmt, '%d %d');
+      y = YX(1); x = YX(2);
+  end
+end
+
+fgets(fid);
+
+%img = fscanf(fid,'%d',size);
+%img = img';
+
+img = fread(fid,[y,x],'uint8');
+img = img';
+fclose(fid);
+