Solve the 'delay' problem of KCFpy by using the Ahead-of-Time compilation (AOT) facility of Numba.
git clone https://github.com/uoip/KCFnb.git cd KCFnb python fhog_utils.py
1.There is a delay when JIT-compiling a complicated function, how can I improve it? http://numba.pydata.org/numba-doc/dev/user/faq.html#there-is-a-delay-when-jit-compiling-a-complicated-function-how-can-i-improve-it
2.Compiling code ahead of time http://numba.pydata.org/numba-doc/dev/user/pycc.html