Contrast and resolution analysis of iterative angular domain optical projection tomography

被引：13
|
作者：
Ng, Eldon [1 ,2 ]
Vasefi, Fartash [1 ,2 ,3 ]
Kaminska, Bozena [3 ]
Chapman, Glenn H. [3 ]
Carson, Jeffrey J. L. [1 ,2 ]
机构：
[1] Lawson Hlth Res Inst, Imaging Program, London, ON N6A 4V2, Canada
[2] Univ Western Ontario, Schulich Sch Med & Dent, Dept Med Biophys, London, ON N6A 3K7, Canada
[3] Simon Fraser Univ, Sch Engn & Appl Sci, Burnaby, BC V5A 1S6, Canada
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 19期
基金：
加拿大自然科学与工程研究理事会;
关键词：
TURBID MEDIA; LIGHT; TRANSMISSION; PHOTONS;
D O I：
10.1364/OE.18.019444
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In Angular Domain Imaging, image contrast and resolution are position dependent. The objective of this work was to characterize the contrast and resolution of an ADI system at a multitude of locations within the imaging plane, then compare the reconstructions of different targets using filtered back projection and iterative reconstruction algorithms. Contrast varied significantly with depth and minimally with lateral position, while resolution varied significantly with lateral position and minimally with depth. The iterative reconstruction algorithm was robust against ring and streak artifacts. The back projection reconstructions suffered from artifacts related to a lack of projection data. (C) 2010 Optical Society of America
引用
收藏
页码：19444 / 19455
页数：12
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