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Paper TuB210.2

Sundaram, Sudeep (University of Bristol), Mayol, Walterio (University of Bristol)

What Are We Doing Here? Egocentric Activity Recognition on the Move for Contextual Mapping

Scheduled for presentation during the Interactive Session "Interactive Session TuB-2" (TuB210), Tuesday, May 15, 2012, 11:00−11:30, Ballroom D

2012 IEEE International Conference on Robotics and Automation, May 14-18, 2012, RiverCentre, Saint Paul, Minnesota, USA

This information is tentative and subject to change. Compiled on May 21, 2018

Keywords Computer Vision for Robotics and Automation, Mapping, SLAM

Abstract

Aimed at contextual mapping of environments by exploration, this paper proposes a method that recognises human activity observed from a moving camera and references this information to a previously mapped environment. We first introduce a novel method that uses sparse features and dense optical flow, to perform dense background subtraction for an agile camera. With the ego-motion disambiguated, we present a method capable of recognising both external and egocentric human activity. When combined with visual simultaneous localisation and mapping (SLAM), this enables augmentation of visual maps with activity tags, highlighting areas of interest within large environments. Association of activity with location introduces the contextual element of purpose to each area of interest.

 

 

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