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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260512T162229Z DTSTART;VALUE=DATE-TIME:20190220T140000 DTEND;VALUE=DATE-TIME:20190220T150000 SUMMARY:Thomas Ploetz: Computational Behavior Analysis through Wearables and Machine Learning TZID:Europe/London UID:20190220-8a1785d868c87b470168e2f788931d0f@warwick.ac.uk CREATED:20190212T182935Z DESCRIPTION:Abstract: We live in an era in which the number of smartphone s is now greater than the number of humans living on Earth. As such\, th e field of mobile and ubiquitous computing is transforming many--if not all--areas of our lives. With the next wave of technological breakthroug hs now wearables\, such as smartwatches but also head-worn devices\, are becoming mainstream. This overall transformation has great potential fo r many application areas. Most prominently\, it is now possible to conti nuously and unobtrusively record rich behavior data that can inform obje ctive health assessments thereby serving as basis for improved care and treatment\, and thus wellbeing. The basis for effective health assessmen ts are robust and reliable methods for human activity recognition -- mor e generally referred to as sensor-based Computational Behavior Analysis (CBA). From a technical perspective the analysis task translates into a time-series assessment problem\, yet with a number of domain-specific co nstraints and requirements. In this talk I will explore these specific c hallenges and give an overview of work in our group that is pushing the boundaries of CBA with specific focus on usable Digital Health. In respo nse to challenges such as noisy sensor data\, ambiguous ground truth ann otation\, and typically limited size sample datasets we have developed a nd validated sensor data analysis and machine learning methods that focu s on these domain specifics and thus enable effective operation. I will illustrate how the constraints and requirements of real-world applicatio n scenarios have allowed me and my team to push the boundaries of core s ensor data analysis research. About the speaker: Thomas Ploetz is a Comp uter Scientist with expertise and more than 15 years of experience in Pa ttern Recognition and Machine Learning research (PhD from Bielefeld Univ ersity\, Germany). His research agenda focuses on applied machine learni ng\, that is developing systems and innovative sensor data analysis meth ods for real world applications. Primary application domain for his work is computational behaviour analysis where he develops methods for autom ated and objective behaviour assessments in naturalistic environments\, thereby making opportunistic use of ubiquitous and wearable sensing meth ods. Main driving functions for his work are "in the wild" deployments a nd as such the development of systems and methods that have a real impac t on people's lives. In 2017 Thomas joined the School of Interactive Com puting at the Georgia Institute of Technology in Atlanta\, USA where he works as an Associate Professor of Computing. Prior to this he was an ac ademic at the School of Computing Science at Newcastle University in New castle upon Tyne\, UK\, where he was a Reader (Assoc. Prof.) for "Comput ational Behaviour Analysis" affiliated with Open Lab\, Newcastle's inter disciplinary research centre for cross-disciplinary research in digital technologies. LOCATION:MSB 2.23 CATEGORIES: LAST-MODIFIED:20190212T182935Z ORGANIZER;CN=Sara Kalvala: END:VEVENT END:VCALENDAR