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Comparison of Simultaneous and Sequential Two-View Registration for 3D/2D Registration of Vascular Images

机译:血管图像的3D / 2D配准的同时和顺序两视图配准的比较

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摘要

Accurate 3D/2D vessel registration is complicated by issues of image quality, occlusion, and other problems. This study performs a quantitative comparison of 3D/2D vessel registration in which vessels segmented from preoperative CT or MR are registered with biplane x-ray angiograms by either a) simultaneous two-view registration with advance calculation of the relative pose of the two views, or b) sequential registration with each view. We conclude on the basis of phantom studies that, even in the absence of image errors, simultaneous two-view registration is more accurate than sequential registration. In more complex settings, including clinical conditions, the relative accuracy of simultaneous two-view registration is even greater.
机译:准确的3D / 2D血管配准会因图像质量,遮挡和其他问题而变得复杂。这项研究对3D / 2D血管配准进行了定量比较,其中通过a)同时进行两视图配准并预先计算两个视图的相对姿势,将术前CT或MR分割的血管与双平面X射线血管造影术配准,或b)每个视图的顺序注册。我们基于幻像研究得出的结论是,即使没有图像错误,同时进行两次视图配准也比顺序配准更准确。在更复杂的环境中(包括临床状况),同时进行两次视图配准的相对精度更高。

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