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We propose a novel road monitoring system named YKOB (Your Kinetic Observation Bike) based on participatory sensing. YKOB collects acceleration signals using smartphones worn by cyclists, and analyzes the collected signals to investigate road surface condition. When a bicycle passes on a bump or a dimple, its wheels vibrate. The vibrations are transmitted to the smartphone via the bicycle frame or...
Crowdsensing is a powerful system to utilize the activities by people carrying mobile phones embedded many kinds of sensors. We have developed a system called vCity Map which uses crowdsensing to visualize the city environment for two kinds of information: sound and road conditions. For sound, we analyze the sound of passing automobiles. Collecting sound at many places help understand the atmosphere...
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