script to read C3D features from Learning Spatiotemporal Features with 3D Convolutional Networks (https://github.com/facebook/C3D) as numpy array.
if you have matlab engine installed, test_c3d_numpy.py checks if the results from c3d_converter_bin_numpy.py are element-wise equal to the ones produced by the matlab script provided by the authors of c3d.