Phase encryption of biometrics in diffractive optical elements

被引：41
|
作者：
Johnson, EG
Brasher, JD
机构：
[1] SY Technology, Inc., Huntsville, AL 35816
来源：
OPTICS LETTERS | 1996年 / 21卷 / 16期
关键词：
D O I：
10.1364/OL.21.001271
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new technique for the optical encoding of images is presented. The method of generalized projections is used to design diffractive optical elements for the phase encryption of biometrics for security applications. The encryption algorithm converges rapidly, and the decryption is seen to be secure and tolerant to additive noise. (C) 1996 Optical Society of America
引用
收藏
页码：1271 / 1273
页数：3
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