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Reliable Estimation of Heart Surface Motion under Stochastic and Unknown but Bounded Systematic Uncertainties

Bogatyrenko, Evgeniya; Noack, Benjamin; Hanebeck, Uwe D.

Abstract:

A reliable estimation of heart surface motion is an important prerequisite for the synchronization of surgical instruments in robotic beating heart surgery. In general, only an imprecise description of the heart dynamics and measurement systems is available. This means that the estimation of heart motion is corrupted by stochastic and systematic uncertainties. Without consideration of these uncertainties, the obtained results will be inaccurate and a safe robotic operation cannot be guaranteed. Until now, existing approaches for estimating the motion of the heart surface are either deterministic or treat only stochastic uncertainties. The proposed method extends the heart motion estimation to the simultaneous consideration of stochastic and unknown but bounded systematic uncertainties. It computes dynamic bounds in order to provide the surgeon with a guidance by constraining the motion of the surgical instruments and thereby protecting sensitive tissue.


Volltext §
DOI: 10.5445/IR/1000035080
Originalveröffentlichung
DOI: 10.1109/IROS.2010.5651190
Dimensions
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Fakultät für Informatik – Institut für Anthropomatik (IFA)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2010
Sprache Englisch
Identifikator ISBN: 978-1-4244-6674-0
urn:nbn:de:swb:90-350802
KITopen-ID: 1000035080
Erschienen in Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2010), Taipei, Taiwan, October, 2010
Verlag Institute of Electrical and Electronics Engineers (IEEE)
Seiten 1862-1869
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