Duke ECE Duke CS

InSight

InSight: Recognizing Humans without Face Recognition

Authors: He Wang, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi

Paper in ACM HotMobile 2013
Slides from the HotMobile 2013 presentation

Press Release: Los Angeles Times, CNET, NewScientist, Engadget, Gizmag, Gizmodo, TechCrunch, The Verge, PhysOrg, Business Insider, PCWorld, InformationWeek, Slate, Bangkok Post, Mobile Magazine, ZDNet ...
InSight application scenarios

UnLoc

No Need to War-Drive: Unsupervised Indoor Localization

Authors: He Wang, Souvik Sen, Ahmed Elgohary, M. Farid, Moustafa Youssef, Romit Roy Choudhury

Paper in ACM MobiSys 2012
Slides from the MobiSys 2012 presentation

Press Release: Gizmag, TG Daily, Scientifc American, News Observer, The Verge, PhysOrg, Connected World, Fast Company, I Programmer, Prescouter, Duke Today ...

OPS

Satellites in Our Pockets: An Object Positioning System using Smartphones

Authors: Justin Manweiler, Puneet Jain, Romit Roy Choudhury

Paper in ACM MobiSys 2012
Slides from the MobiSys 2012 presentation

SleepWell

Avoiding the Rush Hours: WiFi Energy Management via Traffic Isolation

Authors: Justin Manweiler, Romit Roy Choudhury

Paper in ACM MobiSys 2011
Nominated for Best Paper Award at MobiSys 2011
Runner-up to Best Demo at MobiSys 2011
Invited for IEEE Transactions on Mobile Computing
Slides from the MobiSys 2011 presentation

Press Release: The Washington Post, The Wall Street Journal, Scientific American, Slashdot, Engadget, TechCrunch, Business Insider, Network World, PhysOrg, ScienceDaily ...
Justin with the SleepWell system

TagSense

TagSense: A Smartphone based Approach to Automatic Image Tagging

Authors: Chuan Qin, Xuan Bao, Romit Roy Choudhury, Srihari Nelakuditi

Paper in ACM MobiSys 2011

Full Video: Part 1, Part 2

Press Release: ACM TechNews, Network World, TG Daily, gizmag, Technorati, The Hindu

Virtual White Board

Virtual White Board TEDx Talk

Authors: Vansh Muttreja, Naveen Santhapuri, Joe Levy, Romit Roy Choudhury

PhonePoint Pen

Using Mobile Phones to Write in Air

Authors: Sandip Agrawal, Ionut Constandache, Shravan Gaonkar, Romit Roy Choudhury

Paper in ACM MobiSys 2011
Paper in ACM Sigcomm Workshop -- MobiHeld 2009

Also won Hoffmann Krippner Award for most innovative input device

Press Release: American Scientific, Slashdot, The Guardian, UK, ABCNews, Yahoo News, ScienceDaily, MSN UK, Live Science ...

SurroundSense


Mobile Phone Localization Via Ambience Fingerprinting

Authors: Martin Azizyan, Ionut Constandache, Romit Roy Choudhury

Paper accepted in ACM MobiCom 2009

Press Release: ACM TechNews, American Scientific, NSF From the Field, Chronicle, Yahoo News, ...
SurroundSense