In robot-assisted orthopedic surgery

the locking of intramedullary nail needs to be operated with high position accuracy.So a calibration method with high accuracy is also needed.In this paper a method based on Kallman filter is presented.It avoideds calculating the coordinate values of vertex on the locating box but treats them as the state variables.The parameters of transformation from the pose of taking photos to the pose of drilling are treated as observation variables.The mapping relationship between ...