双能CT的研究现状与发展趋势

Current Situation and Development Trends of Dual Energy CT

随着CT技术的不断发展,多能谱技术应用于CT成像能够大幅提高CT系统时间分辨率、空间分辨率、密度对比分辨率。本文主要介绍当前主流商用双能CT系统的结构、原理,以及双能CT系统核心技术的研究现状与发展趋势。

With the continuous development of the CT technology, multi-energy technology is applied to CT imaging,which significantly improves the time resolution, spatial resolution and density resolution of CT system. This paper mainly introduces the structure,principle,as well as the research status and development trends of the current commercial dual-energy CT system.