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I have a simple question, which I want to know, what kind of libraries are available and can give good results for implementing SIFT, HOG(Histogram Oriented Gradient) and SURF in c++ or opencv?
Hence: 1- Give me the link for the code if you can, which I will be so appreciated. 2- If you know one of them or any kind of information to lead me to what I want, I will be so appreciated as well.
Thanks
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SURF is better than SIFT in rotation invariant, blur and warp transform. SIFT is better than SURF in different scale images. SURF is 3 times faster than SIFT because using of integral image and box filter. SIFT and SURF are good in illumination changes images.
To get access to the original SIFT and SURF implementations found in OpenCV 2.4. X, you'll need to pull down both the opencv and opencv_contrib repositories from GitHub and then compile and install OpenCV 3 from source.
check these: surf - great article http://people.csail.mit.edu/kapu/papers/mar_mir08.pdf sift - great source, I tried it on the iPhone http://blogs.oregonstate.edu/hess/ - fast - fast corner detection library http://svr-www.eng.cam.ac.uk/~er258/work/fast.html
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