Computation times

00:28.023 total execution time for 7 files from examples:

Example	Time	Mem (MB)
Express 2D vectors in polar coordinates (compute_polar_coordinates.py)	00:16.296	0.0
Load and upsample bounding boxes tracks (load_and_upsample_bboxes.py)	00:05.022	0.0
Drop outliers and interpolate (filter_and_interpolate.py)	00:02.250	0.0
Compute and visualise kinematics. (compute_kinematics.py)	00:02.024	0.0
Smooth pose tracks (smooth.py)	00:01.509	0.0
Load and explore pose tracks (load_and_explore_poses.py)	00:00.646	0.0
Convert pose tracks between file formats (convert_file_formats.py)	00:00.276	0.0