Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.853632
Title: Motion detection using speckle photography and extended fractional Fourier transform
Authors: Bhaduri, B. 
Tay, C.J. 
Quan, C. 
Keywords: cross correlation
extended fractional Fourier transform
metrology
motion detection
Speckle photography
Issue Date: 2010
Source: Bhaduri, B., Tay, C.J., Quan, C. (2010). Motion detection using speckle photography and extended fractional Fourier transform. Proceedings of SPIE - The International Society for Optical Engineering 7718 : -. ScholarBank@NUS Repository. https://doi.org/10.1117/12.853632
Abstract: Speckle photography explores the possibility of determining the motion like in-plane translation and out-of-plane rotation or tilt of optically rough surface from the speckle shift that takes place at the recording plane. A simple correlation based speckle photographic system has been proposed that implements two simultaneous optical extended fractional Fourier transforms (EFRTs) of different orders using only a single lens and detector to simultaneously detect both the magnitude and direction of translation and tilt by capturing only two frames: one before and another after the object motion. Theoretical analysis and experiment results are presented. © 2010 Copyright SPIE - The International Society for Optical Engineering.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/73642
ISBN: 9780819481917
ISSN: 0277786X
DOI: 10.1117/12.853632
Appears in Collections:Staff Publications

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