发明名称 |
Single camera motion measurement and monitoring for magnetic resonance applications |
摘要 |
An optically-based rigid-body 6-DOF motion tracking system optimized for prospective (real-time) motion correction in Magnetic Resonance Imaging (MRI) applications using a single camera with an on-board image processor, an IR illuminator and optical fiducial targets affixed to a patient. An angle extraction algorithm operated by the on-board image processor utilizes successive approximation to solve the 3-point pose problem for angles close to the origin to achieve convergence to sub-microradian levels. A motion alarm is enabled by a monitor and GUI application in communication with the motion tracking system. A motion correction is enabled for MR scan images taken while operating the motion tracking system wherein an MRI controller is in communication with the motion tracking system.
|
申请公布号 |
US2011230755(A1) |
申请公布日期 |
2011.09.22 |
申请号 |
US20110932733 |
申请日期 |
2011.03.04 |
申请人 |
MACFARLANE DUNCAN;WILDEY CHESTER R |
发明人 |
MACFARLANE DUNCAN;WILDEY CHESTER R. |
分类号 |
A61B5/055 |
主分类号 |
A61B5/055 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|