发明名称 |
Method and system for improved correction of registration error in a fluoroscopic image |
摘要 |
Certain embodiments of the present invention provide a method and system for improved registration of image and navigation references used in image-guided operations. Certain embodiments of the system include an image acquisition device for obtaining at least one image of an object, a first calibration fixture positioned in relation to the image acquisition device, and a second calibration fixture positioned in relation to the object. The position data from first calibration fixture is used to form a characterization of the image acquisition device, which is corrected by position data from the second calibration fixture. In an embodiment, a first calibration fixture is affixed to a C-arm camera and a smaller second calibration fixture is affixed to a patient. Data from the first and second calibration fixtures is used with tracking data to calibrate the image acquisition data and register reference points in image and navigation reference frames.
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申请公布号 |
US2005281385(A1) |
申请公布日期 |
2005.12.22 |
申请号 |
US20040859767 |
申请日期 |
2004.06.02 |
申请人 |
JOHNSON DOUGLAS K;LEVINE LEWIS J |
发明人 |
JOHNSON DOUGLAS K.;LEVINE LEWIS J. |
分类号 |
A61B5/06;A61B6/00;A61B6/12;A61B17/00;A61B19/00;G01D18/00;H05G1/28;(IPC1-7):H05G1/28 |
主分类号 |
A61B5/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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