Guide Wire Tracking in Interventional Radiology

S. A. M. Baert, W. J. Niessen, E. H. W. Meijering, A. F. Frangi, M. A. Viergever

International Congress of Computer Assisted Radiology and Surgery (CARS 2000)
Held in San Francisco, CA, USA, June 28 - July 1, 2000
Proceedings edited by H. U. Lemke, M. W. Vannier, K. Inamura, A. G. Farman, K. Doi
Volume 1214 of International Congress Series
Elsevier, June 2000, pp. 537-542


A method is presented to aid the extraction and tracking of guide wires during X-ray fluoroscopy guided endovascular interventions. A two-step procedure is utilized, in which first a rigid translation is determined to capture the rough displacement and next a spline optimization is performed for accurate localization of the guide wire. Both the application of subtraction images and filters which enhance line-like structures are investigated. With the optimal settings, the guide wire was tracked succesfully in 141 out of 146 frames from five sequences.


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