目的：针对CT图像上肺结节的自动检测，开发并评价对全肺螺旋CT扫描中的肺实质进行自动分割的一种综合方法。
Objective: to develop and evaluate an integrated method that automatically segments lung parenchyma in whole lung helical ct scans for the automated detection of pulmonary nodules.
前言： 目的：探讨非增强螺旋CT全尿路曲面重建对输尿管结石的诊断价值。
Objective:To study the value of curved planar reformation (CPR) of unenhanced spiral CT in diagnosis of ureter stone.
方法：用螺旋CT对254例肝脏肿瘤患者作全肝早期增强扫描。
Methods:Early enhancement scanning using spiral CT were performed in 254 patients with liver neoplasms.
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