error in using improfile

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nkumar
nkumar 2013-9-17
I have a image below
in this i have used the following code
fg is the binay image
fg=logical(fg);
[area, bbox] = step(hblob, fg);
image_out = img;%it is frame extracted from video
image_out(22:23,:,:) =0;
image_out(1:15,1:30,:) = 0;
image_out(110:111,:,:) = 0;
Idx = bbox(:,2) > line_row;
ratio = zeros(length(Idx),1);
ratio(Idx) = single(area(Idx,1))./single(bbox(Idx,3).*bbox(Idx,4));
ratiob = ratio > 0.4;
count = int32(sum(ratiob));
bbox(~ratiob,:) = int32(-1);
image_out = step(hshapeins, image_out, bbox);
image_out = step(htextins, image_out, count);
xline=[3.0000 154.0000]
yline=[23.0000 23.0000]
%
c=improfile(image_out,xline, yline)
res{n}=sum(c(:));
in this for all 120 images i get values as 0,even if car vehicle the line it is showing zero,y i am getting like this ,plz help
http://www.sendspace.com/filegroup/xPtPRFmZZkBQMwcnT430fw http://www.sendspace.com/file/j1y7ey

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