公开(公告)号：US08457379B2

公开(公告)日：2013-06-04

申请号：US11920254

申请日：2006-05-12

申请人： Mutsumi Tashiro ,  Shinichi Minohara

发明人： Mutsumi Tashiro ,  Shinichi Minohara

IPC分类号： G06K9/62

CPC分类号： A61N5/1049 ,  A61B6/466 ,  A61B6/541 ,  A61N5/1037 ,  A61N5/1064 ,  G06T7/33 ,  G06T7/35 ,  G06T2207/10076 ,  G06T2207/10081 ,  G06T2207/20164 ,  G06T2207/30004 ,  G06T2207/30061

摘要： A plurality of CT images of an organ (10) which has undergone a subtle variation or deformation are used as input data, blood vessels and trachea 12 distributed inside the organ are extracted and subjected to thinning, the thus thinned images 14 are used to extract the coordinates of bifurcations 16 and connections, the thus extracted coordinates are used as feature points to track the motion of individual points between a plurality of CT images in a three dimensional space, thereby measuring the movement of the organ (10). Thus, it is possible to realize a local motion tracking at an arbitrary point over an entire region inside an organ, which would be impossible by using a metal marker.

摘要翻译： 使用已经经历微小变化或变形的器官（10）的多个CT图像作为输入数据，提取分布在器官内部的血管和气管12，并进行变薄，由此变薄的图像14用于提取 分叉16和连接的坐标，由此提取的坐标被用作特征点以跟踪三维空间中的多个CT图像之间的各个点的运动，从而测量器官（10）的运动。 因此，可以在器官内部的整个区域上的任意点实现局部运动跟踪，这通过使用金属标记物是不可能的。

公开(公告)号：US20090022379A1

公开(公告)日：2009-01-22

申请号：US11920254

申请日：2006-05-12

申请人： Mutsumi Tashiro ,  Shinichi Minohara

发明人： Mutsumi Tashiro ,  Shinichi Minohara

IPC分类号： G06K9/62

CPC分类号： A61N5/1049 ,  A61B6/466 ,  A61B6/541 ,  A61N5/1037 ,  A61N5/1064 ,  G06T7/33 ,  G06T7/35 ,  G06T2207/10076 ,  G06T2207/10081 ,  G06T2207/20164 ,  G06T2207/30004 ,  G06T2207/30061

摘要： A plurality of CT images of an organ (10) which has undergone a subtle variation or deformation are used as input data, blood vessels and trachea 12 distributed inside the organ are extracted and subjected to thinning, the thus thinned images 14 are used to extract the coordinates of bifurcations 16 and connections, the thus extracted coordinates are used as feature points to track the motion of individual points between a plurality of CT images in a three dimensional space, thereby measuring the movement of the organ (10). Thus, it is possible to realize a local motion tracking at an arbitrary point over an entire region inside an organ, which would be impossible by using a metal marker.

摘要翻译： 使用已经经历微小变化或变形的器官（10）的多个CT图像作为输入数据，提取分布在器官内部的血管和气管12，并进行变薄，由此变薄的图像14用于提取 分叉16和连接的坐标，由此提取的坐标被用作特征点以跟踪三维空间中的多个CT图像之间的各个点的运动，从而测量器官（10）的运动。 因此，可以在器官内部的整个区域上的任意点实现局部运动跟踪，这通过使用金属标记物是不可能的。