Optical encryption based on computational ghost imaging
Optics Letters, Vol. 35, Issue 14, pp. 2391-2393 (2010)
http://dx.doi.org/10.1364/OL.35.002391
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Abstract
Ghost imaging is an optical technique in which the information of an object is encoded in the correlation of the intensity fluctuations of light. The computational version of this fascinating phenomenon emulates, offline, the optical propagation through the reference arm, enabling 3D visualization of a complex object whose transmitted light is measured by a bucket detector. In this Letter, we show how computational ghost imaging can be used to encrypt and transmit object information to a remote party. Important features, such as key compressibility and vulnerability to eavesdropping, are experimentally analyzed.
© 2010 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(110.1650) Imaging systems : Coherence imaging
(200.4740) Optics in computing : Optical processing
(100.4998) Image processing : Pattern recognition, optical security and encryption
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: January 20, 2010
Revised Manuscript: June 21, 2010
Manuscript Accepted: June 23, 2010
Published: July 8, 2010
Citation
Pere Clemente, Vicente Durán, Víctor Torres-Company, Enrique Tajahuerce, and Jesús Lancis, "Optical encryption based on computational ghost imaging," Opt. Lett. 35, 2391-2393 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-14-2391
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