With the development of spiral multi - slice CT, medical CT is in transition towards spiral cone - beam CT.

随着螺旋多层面CT的出现, 医用CT正在向着螺旋锥束CT转变.

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However , this algorithm does not apply for circular orbit cone - beam scan with line ray source.

为此,将上述点源FDK近似原理拓展到线源情况,推导了线源圆轨道锥束扫描3D-CT重建算法.

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However , this algorithm does not apply for circular orbit cone - beam scan with line -- ray source.

为此,将上述点源 FDK 近似原理拓展到线源情况,推导了线源圆轨道锥束-CT重建算法.

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However, this algorithm does not apply for circular orbit cone - beam scan with line focus X - ray source.

但是, 这种算法不能满足线 X 射线源圆轨道锥束扫描的情况.

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