OpenCV-Python dense SIFT

Question

OpenCV has very good documentation on generating SIFT descriptors, but this is a version of \"weak SIFT\", where the key points are detected by the original Lowe algorithm.

Answer 1

Inspite of the OpenCV way being the standard, it was too slow for me. So for that, I used pyvlfeat, which is basically python bindings to VL-FEAT. The functions carry similar syntax as the Matlab functions