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• W1570602504 abstract "Laparoscopic instrument tracking systems are a key element in image-guided interventions, which requires high accuracy to be used in a real surgical scenario. In addition, these systems are a suitable option for objective assessment of laparoscopic technical skills based on instrument motion analysis. This study presents a new approach that improves the accuracy of a previously presented system, which applies an optical pose tracking system to laparoscopic practice. A design enhancement of the artificial markers placed on the laparoscopic instrument as well as an improvement of the calibration process are presented as a means to achieve more accurate results. A technical evaluation has been performed in order to compare the accuracy between the previous design and the new approach. Results show a remarkable improvement in the fluctuation error throughout the measurement platform. Moreover, the accumulated distance error and the inclination error have been improved. The tilt range covered by the system is the same for both approaches, from 90° to 7.5°. The relative position error is better for the new approach mainly at close distances to the camera system." @default.
• W1570602504 created "2016-06-24" @default.
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• W1570602504 date "2014-01-01" @default.
• W1570602504 modified "2023-10-01" @default.
• W1570602504 title "Comparative Study of Two Laparoscopic Instrument Tracker Designs for Motion Analysis and Image-Guided Surgery: A Technical Evaluation" @default.
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• W1570602504 doi "https://doi.org/10.1007/978-3-319-00846-2_10" @default.
• W1570602504 hasPublicationYear "2014" @default.
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