电阻抗断层成像
电阻抗
数据采集
迭代重建
生物医学工程
数码产品
计算机科学
断层摄影术
电子工程
声学
计算机视觉
人工智能
电气工程
工程类
物理
光学
操作系统
作者
Robert W. Smith,I.L. Freeston,Brian Brown
出处
期刊:IEEE Transactions on Biomedical Engineering
[Institute of Electrical and Electronics Engineers]
日期:1995-01-01
卷期号:42 (2): 133-140
被引量:107
摘要
An instrument is described which produces images of the electrical impedance distribution within the body at a rate of 25 frames per second, allowing lung ventilation and lung perfusion to be observed in real time. The instrument makes impedance measurements using an array of 16 electrodes on the surface of the body, and reconstructs the images using a weighted backprojection technique. The design of the data acquisition electronics and the reconstruction and display processor are described. Some preliminary in vitro and in vivo results from the system are presented.< >
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