initial sd-vbs

initial sd-vbs

add sd-vbs

sd-vbs

1 files changed, 46 insertions, 0 deletions

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);