Motion detection, the Wigner distribution function, and the optical fractional Fourier transform
Optics Letters, Vol. 28, Issue 11, pp. 884-886 (2003)
http://dx.doi.org/10.1364/OL.28.000884
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Abstract
It is shown that both surface tilting and translational motion can be independently estimated by use of the speckle photographic technique by capturing consecutive images in two different fractional Fourier domains. A geometric interpretation, based on use of the Wigner distribution function, is presented to describe this application of the optical fractional Fourier transform when little prior information is known about the motion.
© 2003 Optical Society of America
[Optical Society of America ]
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
Citation
John T. Sheridan, Bryan Hennelly, and Damien Kelly, "Motion detection, the Wigner distribution function, and the optical fractional Fourier transform," Opt. Lett. 28, 884-886 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-11-884
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