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Accurate and rapid mapping of points from ultrasound images to tracking systems
专利权人:
发明人:
Vijay Parthasarathy,Ameet Kumar Jain,Hua Xie,Francois Guy Gerard Marie Vignon,Christopher Stephen Hall
申请号:
US14416653
公开号:
US09607381B2
申请日:
2013.07.17
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A method for mapping coordinates between images and tracking systems includes providing a calibration tool having a fixed geometric shape. The calibration tool includes first sensors associated with an imaging mode and second sensors associated with a tracking mode. The first and second sensors are distributed and mounted at known locations on the fixed geometric shape. The first sensors are located in a field of view of an imaging system to determine a position of the calibration tool in image space. The second sensors are tracked to determine a same position of the calibration tool in tracking space. The image space and the tracking space are mapped in a common coordinate system based on artifacts of the calibration tool.
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