Speckle photography: mixed domain fractional Fourier motion detection.
A reflection-based optical implementation of two simultaneous scale-invariant fractional Fourier transforms (FRTs) is used to develop a novel compact speckle photographic system. The system allows the independent determination of both surface tilting and in-plane translational motion from two sequential mixed domain images captured using a single camera.
Patten
Robert E
RE
School of Electrical, Electronic, and Mechanical Engineering, College of Engineering, Mathematical, and Physical Sciences, University College Dublin, Belfield, Dublin 4, Republic of Ireland.
Hennelly
Bryan M
BM
Kelly
Damien P
DP
O'Neill
Feidhlim T
FT
Liu
Ying
Y
Sheridan
John T
JT