Whisper: a wristwatch style wearable handset
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Using GPS to learn significant locations and predict movement across multiple users
Personal and Ubiquitous Computing
Finger Ring Tactile Interface Based on Propagating Elastic Waves on Human Fingers
WHC '07 Proceedings of the Second Joint EuroHaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems
EuroHaptics'12 Proceedings of the 2012 international conference on Haptics: perception, devices, mobility, and communication - Volume Part I
Restrain from pervasive logging employing geo-temporal policies
Proceedings of the 10th asia pacific conference on Computer human interaction
Finger-mounted skin vibration sensor for active touch
EuroHaptics'12 Proceedings of the 2012 international conference on Haptics: perception, devices, mobility, and communication - Volume Part II
Tangential force sensing system on forearm
Proceedings of the 4th Augmented Human International Conference
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In this paper, we propose a new life log system which estimates touching object based on a contact sound. A life log system records our behaviors for recommending appropriate information depending on logs. There are some devices including a camera, a microphone and a GPS for recording our actions. However, those devices record too rich information to be accepted in terms of privacy. In this research we focus on the sound when we touch/manipulate objects. A piezoelectric device on a fingernail records touching sound propagating through a fingertip. Since the recorded sound depends on touching objects, we can record what we touched. This can be used as a new life log which assures secrecy. We show that our prototype system recognizes 12 different actions with 94.4% accuracy.