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di-escort - Did You See Bob Human Localization using Mobile...

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Did You See Bob? Human Localization using Mobile Phones Ionut Constandache Duke University Presented by: Di Zhou Slides modified from Nichole Stockman
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The Issue Finding someone in a public place can be difficult Might not know their location Maps and floor plans are not always  available Might be unfamiliar with the area
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Hypothetical Scenario Mobicom conference – in a big hotel Alice wants to meet her colleague Bob… Can walk around Can ask “Did you see Bob?” But these can take a long time and he may be moving Can call him But he may be in a meeting already Best to have someone escort you… How How ? ?
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Current Solutions GPS Drains the battery (and not very precise) Outdoor scheme WiFi/GSM schemes Not enough accuracy than GPS Require special infrastructure, RF transmitter or war-driving
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Escort Guide a user to the vicinity of a desired person mobile phone sensors Opportunistic encounters Client/server model Does not require: - Physical coordination GPS/Wi-Fi War-driving Maps or floor plans Can be easily installed and provides localization service when GPS/WiFi not available
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Outline Motivation Recap: We need efficient and accurate software for people localization: Escort Outline Basic Design of Escort Challenges Solutions Experiment Specifics Results Future Work
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Basic Design Escort consists of two parts Navigation Get directions to the person Visual Identification - End  to end human localization
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Part 1 - Navigation
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