· Chris Thompson · Hamilton Turner · Brian Dougherty · Douglas C. Schmidt
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White2011 Article WreckWatchAutomaticTrafficAcci
Document Outline
WreckWatch: Automatic Traffic Accident Detection and
Notification with Smartphones
Abstract
Introduction
Challenges associated with automatically detecting car accidents
Challenge 1: detecting accident forces without electronic
control unit interaction
Challenge 2: providing situational awareness and communication with victims to first responders
Challenge 3:
preventing false positives
Solution approach
The WreckWatch client/server
architecture
The WreckWatch formal accident detection model
Using acceleration
events to detect collisions
Using acoustic events to detect accidents
Providing situational
awareness to first responders
Potential advantages of smartphone-based
accident detection systems
Potential disadvantages of smartphone-based accident detection systems
Empirical results
Experiment 1: evaluating the possibility of false
positive acceleration values
Experiment 2: evaluating the possibility of acoustic false positives
Experiment 3: evaluating accident
reconstruction capabilities
Experiment 4: evaluating false positives & negatives with crash data
Related work
Concluding remarks
References
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