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迭代算法在小儿胸部低剂量扫描中的应用 被引量:1

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摘要 目的探讨新双元CT中采用CARE Dose智能最佳kv技术并结合CARE Dose 4D技术,使用SAFIRE算法,探寻小儿胸部低剂量扫描中的最优重建参数。方法回顾性分析近期本院使用新双元CT进行小儿胸部扫描患者30例,分别采用FBP算法及SAFIRE算法的S1、S2、S3、S4、S5进行肺窗重建,然后对各组图像的质量、噪声进行评估。结果主观评分方面,FBP除与S1无统计学差异外,与其它强度都有统计学差异(P<0.05)。图像噪声方面,FBP与SAFIRE算法各级强度间都有统计学差异。结论 SAFIRE算法可有效降低扫描剂量,提高图像质量。
作者 黄福灵 赵欣
出处 《哈尔滨医药》 2015年第S1期86-87,共2页 Harbin Medical Journal
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参考文献6

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