OPTICAL FRACTIONAL CORRELATION - EXPERIMENTAL RESULTS

被引:49
作者
MENDLOVIC, D [1 ]
BITRAN, Y [1 ]
DORSCH, RG [1 ]
LOHMANN, AW [1 ]
机构
[1] UNIV ERLANGEN NURNBERG,D-91058 ERLANGEN,GERMANY
来源
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1995年 / 12卷 / 08期
关键词
FOURIER OPTICS; CORRELATION; FRACTIONAL FOURIER TRANSFORM;
D O I
10.1364/JOSAA.12.001665
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Recently a new mathematical tool, the fractional Fourier transform (FRT) was introduced into the optical field [J. Opt. Sec. Am. A 10, 1875 and 2521 (1993)]. So far, theoretical investigations have been done in order to prove the potential of the FRT operations. On the basis of the FRT operation, the conventional correlator has been generalized through definition of the fractional correlation (FC) operation. We demonstrate the experimental evaluation of the FC operation. Because of the shift-variance property of the FRT, FC makes shift-variant object recognition possible. The laboratory experiments are supplemented by computer simulations, and a reasonable agreement between the results is demonstrated.
引用
收藏
页码:1665 / 1670
页数:6
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