Paper Info
Title
Recognition of Risk Situations Based on Endoscopic Instrument Tracking and Knowledge Based Situation Modeling
Abstract
Minimally invasive surgery has gained significantly in importance over the last decade due to the numerous advantages on patient-side. The surgeon has to adapt special operation-techniques and deal with difficulties like the complex hand-eye coordination, limited field of view and restricted mobility. To alleviate these constraints we propose to enhance the surgeon's capabilities by providing a context-aware assistance using augmented reality (AR) techniques. In order to generate a context-aware assistance it is necessary to recognize the current state of the intervention using intraoperatively gained sensor data and a model of the surgical intervention. In this paper we present the recognition of risk situations, the system warns the surgeon if an instrument gets too close to a risk structure. The context-aware assistance system starts with an image-based analysis to retrieve information from the endoscopic images. This information is classified and a semantic description is generated. The description is used to recognize the current state and launch an appropriate AR visualization. In detail we present an automatic vision-based instrument tracking to obtain the positions of the instruments. Situation recognition is performed using a knowledge representation based on a description logic system. Two augmented reality visualization programs are realized to warn the surgeon if a risk situation occurs.
Year
DOI
Venue
2008
10.1117/12.770385
PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
Keywords
Field
DocType
localization & tracking technologies,enhanced reality,endoscopic procedures,visualization
Field of view,Knowledge representation and reasoning,Visualization,Computer science,Description logic,Augmented reality,Multimedia
Conference
Volume
ISSN
Citations 
6918
0277-786X
19
PageRank 
References 
Authors
1.95
4
7
Name
Order
Citations
PageRank
Stefanie Speidel131339.70
Gunther Sudra2446.25
julien senemaud3191.95
Maximilian Drentschew4202.39
Beat P. Müller-Stich57912.09
C. N. Gutt6627.28
Rüdiger Dillmann743343.19