Phase-encoded joint transform correlator to reduce the influence of extraneous signals

被引：18
|
作者：
Nomura, T [1 ]
机构：
[1] Wakayama Univ, Fac Syst Engn, Dept Optomech, Wakayama 640, Japan
来源：
APPLIED OPTICS | 1998年 / 37卷 / 17期
关键词：
D O I：
10.1364/AO.37.003651
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A technique to reduce the influence of the dc and the complex-conjugate correlation signals that are inherent in a joint transform correlator is proposed. The key part of this technique is the use of a phase mask. The mask contributes only extraneous signals, so the influence of the signals is reduced. The desirable correlation signal is not affected, and its shape is retained. Computer simulations confirm the performance of the proposed phase-encoded joint transform correlator. (C) 1998 Optical Society of America.
引用
收藏
页码：3651 / 3655
页数：5
相关论文
共 50 条
  • [1] Phase-encoded joint transform correlator as an optical encryption decoder
    Nomura, T
    [J]. ALGORITHMS, DEVICES, AND SYSTEMS FOR OPTICAL INFORMATION PROCESSING, 1998, 3466 : 246 - 252
  • [2] Phase-encoded joint transform correlator by use of logarithmic transformation
    Zhao Yu
    Bai Baohua
    [J]. ICEMI 2007: PROCEEDINGS OF 2007 8TH INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS, VOL I, 2007, : 119 - 124
  • [3] Displacement measurement for color images by a phase-encoded joint transform correlator
    Ge, Peng
    Li, Qi
    Feng, Huajun
    Xu, Zhihai
    [J]. OPTICS AND LASER TECHNOLOGY, 2012, 44 (04): : 1129 - 1135
  • [4] Displacement measurement using phase-encoded target joint transform correlator
    Ge Peng
    Li Qi
    Feng Huajun
    Xu Zhihai
    [J]. OPTICAL ENGINEERING, 2011, 50 (03)
  • [5] Application of phase-encoded joint transform correlator to optical encryption decoder
    Nomura, T
    [J]. OPTICS IN COMPUTING 98, 1998, 3490 : 191 - 194
  • [6] PHASE-ENCODED INPUT JOINT TRANSFORM CORRELATOR WITH IMPROVED PATTERN DISCRIMINABILITY
    LU, GW
    ZHANG, Z
    YU, FTS
    [J]. OPTICS LETTERS, 1995, 20 (11) : 1307 - 1309
  • [7] Image displacement based on phase-encoded reference joint fractional transform correlator
    Ge, Peng
    Li, Qi
    Feng, Huajun
    Xu, Zhihai
    [J]. OPTICS AND LASER TECHNOLOGY, 2011, 43 (08): : 1385 - 1390
  • [8] Study of a novel phase-encoded amplitude-modulated joint transform correlator
    Sch. of Tech. Phys., Xidian Univ., Xi'an 710071, China
    [J]. Xi'an Dianzi Keji Daxue Xuebao/Journal of Xidian University, 2003, 30 (05): : 607 - 611
  • [9] Image rotation and translation measurement based on double phase-encoded joint transform correlator
    Ge, Peng
    Li, Qi
    Feng, Huajun
    Xu, Zhihai
    [J]. APPLIED OPTICS, 2011, 50 (27) : 5235 - 5242
  • [10] Displacement measurement for color images by a double phase-encoded joint fractional transform correlator
    Chen, Jinwei
    Ge, Peng
    Li, Qi
    Feng, Huajun
    Xu, Zhihai
    [J]. OPTIK, 2013, 124 (12): : 1192 - 1198
12345