Laparoscopic tool tracking method for augmented reality surgical applications

Cano González, Alicia and Gómez Aguilera, Enrique J. and Gayá Moreno, Francisco Javier and Sánchez González, Patricia (2008). Laparoscopic tool tracking method for augmented reality surgical applications. "Lecture Notes in Computer Science", v. 5104 ; pp. 191-196. ISSN 0302-9743. https://doi.org/10.1007/978-3-540-70521-5_21.

Description

Title: Laparoscopic tool tracking method for augmented reality surgical applications
Author/s:
  • Cano González, Alicia
  • Gómez Aguilera, Enrique J.
  • Gayá Moreno, Francisco Javier
  • Sánchez González, Patricia
Item Type: Article
Título de Revista/Publicación: Lecture Notes in Computer Science
Date: July 2008
ISSN: 0302-9743
Volume: 5104
Subjects:
Freetext Keywords: laparoscopic tool tracking, video-endoscopic analysis, augmented reality tools, surgical training programs.
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Fotónica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Vision-based tracking of laparoscopic tools offers new possibilities for improving surgical training and for developing new augmented reality surgical applications. We present an original method to determine not only the tip position, but also the orientation of a laparoscopic tool respect to the camera coordinate frame. A simple mathematical formulation shows how segmented tool edges and camera field of view define the tool 3D orientation. Then, 3D position of the tool tip is determined by image 2D coordinates of any known point of the tool and by tool’s diameter. Accuracy is evaluated in real image sequences with known ground truth. Results show a positioning error of 9,28 mmRMS, what is explained by inaccuracies in the estimation of tool edges. The main advantage of proposed method is its robustness to occlusions of the tool tip.

More information

Item ID: 2733
DC Identifier: http://oa.upm.es/2733/
OAI Identifier: oai:oa.upm.es:2733
DOI: 10.1007/978-3-540-70521-5_21
Official URL: http://www.springerlink.com/content/v577370v8792/?sortorder=asc&p_o=20
Deposited by: Memoria Investigacion
Deposited on: 29 Mar 2010 10:24
Last Modified: 20 Apr 2016 12:24
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