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公开(公告)号:US20070189580A1
公开(公告)日:2007-08-16
申请号:US11566363
申请日:2006-12-04
申请人: Gregory Slabaugh , Koon Kong , Gozde Unal , Tong Fang
发明人: Gregory Slabaugh , Koon Kong , Gozde Unal , Tong Fang
IPC分类号: G06K9/00
CPC分类号: G06K9/6207 , G06T7/0012 , G06T7/149 , G06T7/246 , G06T2207/10121 , G06T2207/30021
摘要: A method of tracking a guidewire in video imagery includes: obtaining a first video image including pixels associated with features of a guidewire; selecting a set of parameters to define an open curve on the first video image; determining a feature map of the first video image using phase congruency; and updating the parameters of the open curve using the feature map to align the open curve to the pixels associated with the features of the guidewire.
摘要翻译: 在视频图像中跟踪导丝的方法包括:获得包括与导丝的特征相关联的像素的第一视频图像; 选择一组参数以在第一视频图像上定义开放曲线; 使用相位一致性确定第一视频图像的特征图; 并使用特征图更新开放曲线的参数,以将开放曲线对准与导丝的特征相关联的像素。