National Changhua University of Education Institutional Repository : Item 987654321/18188

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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/18188

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18188

Title:	Shift-Tolerance Property of an Optical Double-Random Phase-Encoding Encryption System
Authors:	Wang, Bor;Sun, Ching-Cherng;Su, Wei-Chia;Chiou, Arthur E. T.
Contributors:	光電科技研究所
Date:	2000-09
Issue Date:	2014-04-01T03:56:29Z
Publisher:	Optical Society of America
Abstract:	We investigate the shift-tolerance property of the decrypting phase mask in an optical double-random phase-encoding encryption system. A simple method for improving the shift tolerance of the phase mask is proposed. We demonstrate how the robustness to data loss of the encrypted image extends the shift tolerance of the decrypting phase mask. The signal-to-noise ratio is calculated. Both a computer simulation and an experiment are presented.
Relation:	Applied Optics, 39(26): 4788-4793
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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