Mr. Qiongjie Tian Profile

Qiongjie Tian

at Arizona State Univ

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Proceedings Article | 7 March 2013 Paper

Video-based analysis of motion skills in simulation-based surgical training

Qiang Zhang, Lin Chen, Qiongjie Tian, Baoxin Li

Proceedings Volume 8667, 86670A (2013) https://doi.org/10.1117/12.2005177

KEYWORDS: Video, Surgery, Motion analysis, Simulation of CCA and DLA aggregates, Motion models, Cameras, Sensors, Visualization, Canonical correlation analysis, Visual process modeling

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Analysis ofmotionexpertiseisanimportantprobleminmanydomainsincludingsportsandsurgery.Inrecent years,surgicalsimulationhasemergedattheforefrontofnewtechnologiesforimprovingtheeducationand training ofsurgicalresidents.Insimulation-basedsurgicaltraining,akeytaskistoratetheperformanceofthe operators,whichisdonecurrentlybyseniorsurgeons.Thispaperintroducesanovelsolutiontothisproblem through employingvision-basedtechniques.Wedevelopanautomatic,video-basedapproachtoanalyzingthe motion skillsofasurgeoninsimulation-basedsurgicaltraining,whereasurgicalactioniscapturedbymultiple video cameraswithlittleornocalibration,resultinginmultiplevideostreamsofheterogeneousproperties. Typicalmultiple-viewvisiontechniquesareinadequateforprocessingsuchdata.Weproposeanovelapproach that employsbothcanonicalcorrelationanalysis(CCA)andthebag-of-wordsmodeltoclassifytheexpertise levelofthesubjectbasedontheheterogeneousvideostreamscapturingboththemotionofthesubject'shands and theresultantmotionofthetools.Experimentsweredesignedandperformedtovalidatetheproposed approachusingrealisticdatacapturedfromresidentsurgeonsinlocalhospitals.Theresultssuggestthatthe proposedapproachmayprovideapromisingpracticalsolutiontotherealworldproblemevaluatingmotionskills in simulation-basedsurgicaltraining.

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