Depicted in the figure below is an
example of "Motion Without Movement" [1]. In short, the technique
uses a pair of oriented quadrature filters [2] to vary the local phase.
This results in the sensation of motion.
Figure 1:
Original
Image (couple.jpg)
Figure 2:
Motion
Without Movement Example: Couple coming together
[1] "Motion Without Movement" by William T. Freeman, Edward H. Adelson
and David J. Heeger, SIGGRAPH 1991.
[2] "The Design and Use of Steerable Filters" by William T. Freeman and
Edward H. Adelson, IEEE Transactions on Pattern Analysis and
Machine
Intelligence., 1991.
