Topological data analysis of orientation alignment for SEM images of carbon nanotube fibers.
A detailed description of this method can be found in our paper:
Detecting Carbon Nanotube Orientation with Topological Data Analysis of Scanning Electron Micrographs
by Liyu Dong, Haibin Hang, Jin Gyu Park, Washington Mio, Richard Liang
https://arxiv.org/abs/2108.04375
gudhi -- A package for topological data analysis ( http://gudhi.gforge.inria.fr/python/latest/installation.html )
opencv -- A package for computer vision ( https://pypi.org/project/opencv-contrib-python/ )