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1.发明授权Means to correlate images from scans taken at different times including means to determine the minimum distances between a patient anatomical contour and a correlating surface 失效用于将在不同时间拍摄的扫描图像相关联的手段，包括确定患者解剖轮廓和相关表面之间的最小距离的装置
公开(公告)号：US4977505A
公开(公告)日：1990-12-11
申请号：US198043
申请日：1988-05-24
IPC分类号： G06T5/00
CPC分类号： G06T5/006
摘要： Herein is described a method for creating composite images from disparate sets of tomographic images. The images may be derived from CAT, MRI or PET systems. Initially, a "head" is created from one set of tomographic image slices. The head comprises a three dimensional stack of contours created from such slices. A "hat" is created from another set of tomographic image slices with the hat being described by a plurality of points with coordinate positions which define the three dimensional surface of stack of image slices. The hat is then superimposed over the head and subsequently, a determination is made by examination of side and top planar views of the hat and head, of a factor which defines the mean distance of the hat points from the head contours. The hat is subsequently adjusted relative to the head until the mean distance is found to be within minimum limits.
摘要翻译： 这里描述了用于从不同的断层图像集合创建合成图像的方法。 图像可以来自CAT，MRI或PET系统。 最初，从一组断层图像切片创建“头部”。 头部包括由这种切片形成的三维轮廓。 由另一组断层图像切片创建“帽子”，其中帽子由具有定义图像切片堆叠的三维表面的坐标位置的多个点描述。 然后将帽子叠加在头部上，随后通过检查帽子和头部的侧面和顶部平面视图来确定帽子点与头部轮廓的平均距离的因子。 帽子随后相对于头部进行调整，直到发现平均距离处于最小限度内。
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