Determining particle size distributions from a single projection image

被引：8
|
作者：
Carnibella, R. P. [1 ,2 ]
Kitchen, M. J. [3 ]
Fouras, A. [1 ,2 ]
机构：
[1] Monash Univ, Dept Mech & Aerosp Engn, Melbourne, Vic 3800, Australia
[2] Monash Univ, Div Biol Engn, Melbourne, Vic 3800, Australia
[3] Monash Univ, Sch Phys, Melbourne, Vic 3800, Australia
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 14期
基金：
澳大利亚研究理事会;
关键词：
X-RAYS; CONTRAST; PHASE; SPECKLE; SCATTERING; BEAMLINE;
D O I：
10.1364/OE.20.015962
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Imaging techniques employed to measure the structure of granular, particulate and porous materials are limited by scale, temporal resolution and, for biological samples, radiation exposure. This paper describes a technique for determining the distribution of particle sizes in opaque samples, for particle volume fractions less than ten percent, using a single projection radiograph. The method is based on the derived property of the additivity of the particles' spatial autocorrelation function in projection images. Simulations and experiments demonstrate the ability to use this property to determine the distribution of particle sizes in a material. (C) 2012 Optical Society of America
引用
收藏
页码：15962 / 15968
页数：7
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