方法：采用螺旋CT扫描及三维影像重建技术，数字影像传输与转录与ANSYS相结合的方法。
Methods: SCT image reconstruction technique, digital image transfer and transcription and 3-d FEM were used in combination with ANSYS software.
涉及到为IGS服务的影像采集与重建、影像后处理、IGS计划制订中的影像技术、IGS中应用的其它影像新技术。
It comes down to the image collection and reconstruction serving for the IGS, the image technology serving for working out the IGS program, other new image technologies in the IGS applications.
该方法利用正则化技术，通过迭代运算解求重建影像的最优解。
The method is based on the regularization technique, solving the constrained optimization by proposed iteration steps.
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