Nonseparable two-dimensional fractional Fourier transform

被引：25
|
作者：
Sahin, A [1 ]
Kutay, MA [1 ]
Ozaktas, HM [1 ]
机构：
[1] Bilkent Univ, Dept Elect Engn, TR-06533 Ankara, Turkey
来源：
APPLIED OPTICS | 1998年 / 37卷 / 23期
关键词：
D O I：
10.1364/AO.37.005444
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Previous generalizations of the fractional Fourier transform to two dimensions assumed separable kernels. We present a nonseparable definition for the two-dimensional fractional Fourier transform that includes the separable definition as a special case. Its digital and optical implementations are presented. The usefulness of the nonseparable transform is justified with an image-restoration example. (C) 1998 Optical Society of America.
引用
收藏
页码：5444 / 5453
页数：10
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