Handling Heterogeneity in Collaborative Networked Surgical Simulators

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dc.contributor.advisorTrefftz Gómez, Helmuth
dc.contributor.authorDíaz León, Christian Andrés
dc.coverage.spatialMedellín de: Lat: 06 15 00 N degrees minutes Lat: 6.2500 decimal degrees Long: 075 36 00 W degrees minutes Long: -75.6000 decimal degreeseng
dc.creator.degreeDoctor in Engineeringspa
dc.creator.emailcdiazleo@eafit.edu.cospa
dc.date.accessioned2016-07-13T22:39:30Z
dc.date.available2016-07-13T22:39:30Z
dc.date.issued2016
dc.description.abstractStand-alone and networked surgical virtual reality based simulators have been proposed as means to train surgical skills with or without a supervisor nearby the student or trainee -- However, surgical skills teaching in medicine schools and hospitals is changing, requiring the development of new tools to focus on: (i) importance of mentors role, (ii) teamwork skills and (iii) remote training support -- For these reasons, a surgical simulator should not only allow the training involving a student and an instructor that are located remotely, but also the collaborative training of users adopting different medical roles during the training sesión -- Collaborative Networked Virtual Surgical Simulators (CNVSS) allow collaborative training of surgical procedures where remotely located users with different surgical roles can take part in the training session -- To provide successful training involving good collaborative performance, CNVSS should handle heterogeneity factors such as users’ machine capabilities and network conditions, among others -- Several systems for collaborative training of surgical procedures have been developed as research projects -- To the best of our knowledge none has focused on handling heterogeneity in CNVSS -- Handling heterogeneity in this type of collaborative sessions is important because not all remotely located users have homogeneous internet connections, nor the same interaction devices and displays, nor the same computational resources, among other factors -- Additionally, if heterogeneity is not handled properly, it will have an adverse impact on the performance of each user during the collaborative sesión -- In this document, the development of a context-aware architecture for collaborative networked virtual surgical simulators, in order to handle the heterogeneity involved in the collaboration session, is proposed -- To achieve this, the following main contributions are accomplished in this thesis: (i) Which and how infrastructure heterogeneity factors affect the collaboration of two users performing a virtual surgical procedure were determined and analyzed through a set of experiments involving users collaborating, (ii) a context-aware software architecture for a CNVSS was proposed and implemented -- The architecture handles heterogeneity factors affecting collaboration, applying various adaptation mechanisms and finally, (iii) A mechanism for handling heterogeneity factors involved in a CNVSS is described, implemented and validated in a set of testing scenarios
dc.identifier.other006.6CDD542H
dc.identifier.urihttp://hdl.handle.net/10784/8839
dc.language.isospaspa
dc.publisherUniversidad EAFITspa
dc.publisher.departmentEscuela de Ingenieríaspa
dc.publisher.programDoctorado en Ingenieríaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesseng
dc.rights.localAcceso abiertospa
dc.subjectTrabajo colaborativospa
dc.subjectSimuladores quirúrgicosspa
dc.subject.keywordSimulatorsspa
dc.subject.keywordVirtual reality in medicinespa
dc.subject.keywordDistance educationspa
dc.subject.keywordInternet in educationspa
dc.subject.keywordVirtual computer systemsspa
dc.subject.keywordComputer network architecturesspa
dc.subject.keywordBiomedical engineeringspa
dc.subject.lembSIMULADORESspa
dc.subject.lembREALIDAD VIRTUAL EN MEDICINAspa
dc.subject.lembEDUCACIÓN A DISTANCIAspa
dc.subject.lembINTERNET EN LA EDUCACIÓNspa
dc.subject.lembSISTEMAS VIRTUALES DE COMPUTADORESspa
dc.subject.lembARQUITECTURA DE REDES DE COMPUTADORESspa
dc.subject.lembINGENIERÍA BIOMÉDICAspa
dc.titleHandling Heterogeneity in Collaborative Networked Surgical Simulatorsspa
dc.typedoctoralThesiseng
dc.typeinfo:eu-repo/semantics/doctoralThesiseng
dc.type.hasVersionacceptedVersioneng
dc.type.localTesis Doctoralspa

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Doctorado en Ingeniería (tesis)