电容层析成像系统图像重构算法研究

Yao Chen, Xiaowei Wang, Jiangyan
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引用次数: 3

摘要

电容式传感器具有非侵入式、动态响应快、成本低、测量范围宽、安装方便等特点,适合工业应用。电容层析成像中图像重建算法的快速性和准确性至关重要。提出了一种基于Landweber迭代法的高速电容层析成像方法。Landweber迭代法简单灵活,具有很好的正则化特性。但它的收敛速度太慢了。高速迭代法克服了这一缺点,减少了迭代次数,保证了重建质量。
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Study on Image Reconstruction Algorithm for Electrical Capacitance Tomography System
The capacitance sensor features non-intrusive, rapid dynamic response, low cost, wide measuring range and easy mounting, so it is suitable for application in industries. The speediness and accuracy of image reconstruction algorithm in electrical capacitance tomography are essential. This paper presents a high-speed method for electrical capacitance tomography based on the Landweber iteration method. Landweber iteration method is simple and flexible with very good regularizing features. But it converges too slowly. The weakness is overcome by the high-speed iteration method, which can reduce iteration times and maintain the reconstruction quality.
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