A Multiresolution Image Reconstruction Method in X-ray MicroCT

被引：1

作者：

Costin, Marius ^{[1
,2
]}

Lazaro-Ponthus, Delphine ^{[1
]}

Legoupil, Samuel ^{[1
]}

Duvauchelle, Philippe ^{[2
]}

Kaftandjian, Valerie ^{[2
]}

机构：

[1] CEA, LIST, Imaging & Dynam Lab, F-91191 Gif Sur Yvette, France

[2] INSA Lyon, Lab Nondestruct Testing Ionizing Radiat, F-69621 Villeurbanne, France

来源：

2009 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-5 | 2009年

关键词：

X-ray tomography; image reconstruction; multiresolution; microCT; HILBERT TRANSFORM; TOMOGRAPHY;

D O I：

10.1109/NSSMIC.2009.5401919

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose a method for multiresolution image reconstruction in X-ray micro computed tomography (microCT). It can have a variety of applications, from material characterization to small animal imaging studies. The main idea is to recover an overall image of the sample with a coarse resolution, and with a fine resolution for a region-of-interest (ROI). In a zoomin CT type setup, two sets of data are used, taken at different magnifications ratios. They are combined with the help of an analytical relation and the reconstruction is an extension of the filtered back-projection (FBP) algorithm. We present results with simulated data, some performance aspects and a simple noise analysis.

引用

页码：3871 / +

页数：2

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