On the "unreasonable" effectiveness of transport of intensity imaging and optical deconvolution

被引：71

作者：

Gureyev, Timur E. ^{[1
,2
,3
,4
]}

Nesterets, Yakov I. ^{[3
,5
]}

Kozlov, Alexander ^{[1
]}

Paganin, David M. ^{[2
]}

Quiney, Harry M. ^{[1
]}

机构：

[1] Univ Melbourne, ARC Ctr Excellence Adv Mol Imaging, Parkville, Vic 3010, Australia

[2] Monash Univ, Sch Phys & Astron, Clayton, Vic 3800, Australia

[3] Univ New England, Sch Sci & Technol, Armidale, NSW 2351, Australia

[4] CSIRO, Data61, Clayton, Vic 3168, Australia

[5] CSIRO, Mfg, Clayton, Vic 3168, Australia

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2017年 / 34卷 / 12期

关键词：

SIGNAL-TO-NOISE; PHASE-CONTRAST; INFORMATION CAPACITY; SPATIAL-RESOLUTION; LINEAR-SYSTEMS; RETRIEVAL; INTERFEROMETRY; ILLUMINATION; TOMOGRAPHY;

D O I：

10.1364/JOSAA.34.002251

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The effectiveness of reconstructive imaging using the homogeneous transport of intensity equation may be regarded as "unreasonable," because it has been shown to significantly increase signal-to-noise ratio while preserving spatial resolution, compared to equivalent conventional absorption-based imaging techniques at the same photon fluence. We reconcile this surprising behavior by analyzing the propagation of noise in typical in-line holography experiments. This analysis indicates that novel imaging techniques may be designed that produce high signal-to-noise images at low radiation doses without sacrificing spatial resolution. (C) 2017 Optical Society of America

引用

页码：2251 / 2260

页数：10

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