Development and evaluation of a high performance micro-CT system for insect or small animal imaging

被引：0
|
作者：
Gui, Jianbao [1 ,2 ]
Zou, Jing [1 ,2 ]
Rong, Junyan [1 ,2 ]
Hu, Zhanli [1 ,2 ]
Li, Yanming [1 ,2 ]
Xi, Dongxing [1 ,2 ]
Zheng, Hairong [1 ,2 ]
机构：
[1] Chinese Acad Sci, Shenzhen Inst Adv Technol, Inst Biomed & Hlth Engn, Paul C Lauterbur Res Ctr Biomed Imaging, Shenzhen, Peoples R China
[2] Chinese Acad Sci, Key Lab Biomed Informat & Hlth Engn, Shenzhen, Peoples R China
来源：
2010 4TH INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING (ICBBE 2010) | 2010年
关键词：
micro-CT; small animal imaging; insect imaging; spatial resolution; cooled CCD; DIGITAL RADIOGRAPHY; COMPUTED-TOMOGRAPHY; DETECTOR;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A high performance micro-tomography (micro-CT) system for insect or small animal imaging has been developed. The system consists of an x-ray source with small focus spot and high brightness, a high precision rotation stage with an object chuck to achieve a cone-beam mode scan, and an x-ray imaging detector. The core of the system is a cooled x-ray imaging detector with high spatial resolution, high sensitivity and ultralow noise. Since imaging performance of the detector is mostly responsible for the resultant image quality and eventually determines the quality of a tomogram, we have evaluated the imaging characteristics of the detector in terms of modulation-transfer function (MTF), noise-power spectrum (NPS) and give some high quality x-ray digital radiation (DR) and 3D rendered CT images of some insects and a small fish.
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页数：4
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