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The Registration of 2D/3D Images in Robot-assisted Cervical Disc Replacement Surgery

机译:机器人辅助宫颈椎间盘置换手术中的2D / 3D图像注册

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Robot assisting artificial cervical disc replacement surgery is a surgery which is operated widely, however, because the registration of 2D/3D during the operation is the key technology and very difficult, the success rate of this surgery is very low. In this paper, a 2D/3D registration method of 2D/3D aiming at this surgery based on grayscale of image is developed. In this registration method, ray casting method is used to generate DRR, normalized correlation is used as similarity measure and Powell's optimizer is used as the optimization method. A test of registration using DRR simulation aiming at this registration method is also performed, and the experimental results show that the axial displacement error is below 0.5mm and the axial rotation error is below 0.2°. Because this registration method needs only two C-arm images, it can be applied to minimally invasive surgery.
机译:辅助人工宫颈椎间盘替代手术是一种手术,这是广泛运营的手术,但是,由于在操作过程中的2D / 3D的登记是关键的技术和非常困难,这种手术的成功率非常低。在本文中,开发了一种基于图像灰度的此手术的2D / 3D注册方法。在该登记方法中,光线铸造方法用于生成DRR,使用标准化相关性用作相似度量,并且Powell的优化器用作优化方法。还进行了使用DRR模拟的注册测试,其针对该登记方法,实验结果表明,轴向位移误差低于0.5mm,轴向旋转误差低于0.2°。因为该登记方法只需要两个C-ARM图像,所以它可以应用于微创手术。

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