I’m wrapping Chris Evans’ OpenSurf library into an OF addon and I can say the results are pretty good:
1) I can get get SURF interest points in images and videos
2) I can use the detected SURF points to match objects in different images
3) I can use the detected SURF points to track an object in a video stram @40fps (which is faster than I expected)
4) I can detect motion using SURF points (I have faster tricks for this task, but wanted to test it)
As soon as I have some time to clean up and package the addon I’ll post the source code. Here‘s a working beta of the addon.