The method for evaluating all three independent components of displacement vector at each point of object surface by means of only one double-exposed hologram is presented. The method is based on the fringe-visibility measurement.
Marek J. Matczak,
"Single-Hologram Method For Evaluating Displacement Field", Proc. SPIE 0661, Optical Testing and Metrology, (25 November 1986); doi: 10.1117/12.938626; https://doi.org/10.1117/12.938626