www.pudn.com > MatlabSIFT.zip > process_loop.m
for i=1:455
fname = sprintf('f:\\robot\\loop3data\\f00%.3d.bmp',i-1)
img = imread(fname);
img1 = imresize(img,2,'bilinear');
[features{i},pyr,imp,keys{i}] = detect_features(img1,1.5,0,3,4,4,4,.04,5);
end
save loop3_features features keys