We developed this module while working on this publication: J. Javh, J. Slavič and M. Boltežar: The Subpixel Resolution of Optical-Flow-Based Modal Analysis, Mechanical Systems and Signal Processing, Vol. 88, p. 89–99, 2017

Our recent research effort can be found here: http://lab.fs.uni-lj.si/ladisk/?what=incfl&flnm=research_filtered.php&keyword=optical%20methods

If you find our research useful, consider to cite us.