Paul F. Hemler Ph.D., Thilaka S. Sumanaweera Ph.D., Petra A. van den Elsen M.D., Ph.D., Sandy Napel Ph.D., John Adler M.D.
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引用次数: 32
Abstract
This paper presents a versatile system for registering and visualizing computed tomography and magnetic resonance images. The system utilizes a semi-automatic, surface-based registration strategy which has proven useful for registering a number of different anatomical structures. A triangular mesh approximates surfaces in one image set while a set of surface points is used as a surface approximation in the other set. A non-linear optimization procedure determines the transformation that minimizes the total sum-squared perpendicular distance between triangles of the mesh and surface points. This system has been used without modification to successfully register images of the brain, spine and calcaneus. J Image Guid Surg 1:35-45 (1995). © 1995 Wiley-Liss, Inc.
多模态图像融合的通用系统
本文介绍了一种通用的计算机断层扫描和磁共振图像的配准和可视化系统。该系统采用半自动、基于表面的配准策略，已被证明对许多不同解剖结构的配准非常有用。三角形网格在一个图像集中近似曲面，而在另一个图像集中使用一组曲面点作为曲面近似。一个非线性优化程序确定了使网格和曲面点之间的三角形垂直距离的总和平方最小的转换。该系统已成功用于脑、脊柱和跟骨的图像配准。[J]中华影像杂志，1999,1:35-45。©1995 Wiley-Liss, Inc
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