Displacement identification methods

Simplified Optical Flow (SOF)

[1] Javh, J., Slavič, J., & Boltežar, M. (2017). The subpixel resolution of optical-flow-based modal analysis. Mechanical Systems and Signal Processing, 88, 89–99. https://doi.org/10.1016/j.ymssp.2016.11.009

Lucas-Kanade (LK)

[2] Lucas, B. D., & Kanade, T. (1981). An Iterative Image Registration Technique with an Application to Stereo Vision. In Proceedings of the 7th International Joint Conference on Artificial Intelligence - Volume 2 (pp. 674–679). San Francisco, CA, USA: Morgan Kaufmann Publishers Inc. Retrieved from http://dl.acm.org/citation.cfm?id=1623264.1623280