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基于Feldkamp算法的SPECT锥形投影重建 被引量:1

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摘要 单光子发射计算机断层成像(SPECT)是核医学的一种重要技术,其日前在临床上有广泛的应用。Feldkamp算法是CT锥形投影重建中使用较为广泛的一种近似重建算法。该算法具有以下四个好处:允许非完全的扫描轨迹、允许局部探测覆盖、计算效率高、较少的图像噪声和振铃效应,同时Feldkamp算法易于移植,所以本文选用这种算法,将其应用于锥形投影SPECT图像重建中。
出处 《生命科学仪器》 2008年第6期15-19,共5页 Life Science Instruments
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同被引文献8

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