Superresolution imaging from nonlinear inverse scattering

被引：1
|
作者：
Ritter, R. Shane [1 ]
Fiddy, M. A. [2 ]
机构：
[1] Olivet Nazarene Univ, Sch Engn & Technol, Bourbonnais, IL 60914 USA
[2] Univ N Carolina, Ctr Optoelect & Opt Commun, Charlotte, NC 28223 USA
来源：
IMAGE RECONSTRUCTION FROM INCOMPLETE DATA VIII | 2015年 / 9600卷
关键词：
Inverse scattering; superresolution; multiple scattering; resonant scattering;
D O I：
10.1117/12.2188861
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Inverse scattering algorithms typically rely on weak scattering approximations and the inversion of far field data on an Ewald sphere. This, in turn, fixes the resolution of the computed image. However, it has long been observed that when multiple scattering occurs in a strongly interacting object, and a nonlinear inversion method is employed to image it, the resulting image can reveal subwavelength resolution. We have observed this phenomenon using a cepstral filtering approach and characterize it more fully here.
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页数：8
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