?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Probability-Based+Dynamic+Time+Warping+for+Gesture+Recognition+on+RGB-D+Data&rft.creator=Bautista%2C+M%C3%81&rft.creator=Hern%C3%A1ndez-Vela%2C+A&rft.creator=Ponce%2C+V&rft.creator=Perez-Sala%2C+X&rft.creator=Bar%C3%B3%2C+X&rft.creator=Pujol%2C+O&rft.creator=Angulo%2C+C&rft.creator=Escalera%2C+S&rft.description=Dynamic+Time+Warping+(DTW)+is+commonly+used+in+gesture+recognition+tasks+in+order+to+tackle+the+temporal+length+variability+of+gestures.+In+the+DTW+framework%2C+a+set+of+gesture+patterns+are+compared+one+by+one+to+a+maybe+infinite+test+sequence%2C+and+a+query+gesture+category+is+recognized+if+a+warping+cost+below+a+certain+threshold+is+found+within+the+test+sequence.+Nevertheless%2C+either+taking+one+single+sample+per+gesture+category+or+a+set+of+isolated+samples+may+not+encode+the+variability+of+such+gesture+category.+In+this+paper%2C+a+probability-based+DTW+for+gesture+recognition+is+proposed.+Different+samples+of+the+same+gesture+pattern+obtained+from+RGB-Depth+data+are+used+to+build+a+Gaussian-based+probabilistic+model+of+the+gesture.+Finally%2C+the+cost+of+DTW+has+been+adapted+accordingly+to+the+new+model.+The+proposed+approach+is+tested+in+a+challenging+scenario%2C+showing+better+performance+of+the+probability-based+DTW+in+comparison+to+state-of-the-art+approaches+for+gesture+recognition+on+RGB-D+data.&rft.subject=Depth+maps%2C+Gesture+Recognition%2C+Dynamic+Time+Warping%2C+Statistical+Pattern+Recognition&rft.publisher=Springer%2C+Berlin%2C+Heidelberg&rft.date=2013&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++International+Workshop+on+Depth+Image+Analysis+and+Applications+WDIA+2012%3A+Advances+in+Depth+Image+Analysis+and+Applications.++(pp.+pp.+126-135).++Springer%2C+Berlin%2C+Heidelberg+(2013)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10115642%2F1%2FPonce%2520Lopez_PDTW_ICPRWorkshop.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10115642%2F&rft.rights=open