| Presentation | 2006-11-16 Detecting Unusual Events in Ubiquitous Sensor Environments using Bayesian Networks and Nonparametric Regression Sun Yong KIM, Masakatsu OHTA, Mitsuo TERAMOTO, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We propose a novel anomaly detection method for the heterogeneous sensor environment in the living space where we hardly analyze the entire mechanism of the environment and unlikely to predict the irregular events. By using Bayesian networks and nonparametric regression, our method learns the ordinary behaviors of sensor values and examines the degree of anomaly for each observation according to the estimated variance from the learning result. We applied our method to the data collected in an office room equipped by brightness and motion sensors, and obtained the putative sensor relation networks with no prior knowledge. We detected some symptoms of anomalous events, and furthermore, we found out the causal sensors by using the network structure. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Ubiquitous / Sensor networks / Anomalous detection / Bayesian networks / Nonparametric regression / Machine learning |
| Paper # | IN2006-94 |
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| Conference Information | |
| Committee | IN |
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| Conference Date | 2006/11/9(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Information Networks (IN) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Detecting Unusual Events in Ubiquitous Sensor Environments using Bayesian Networks and Nonparametric Regression |
| Sub Title (in English) | |
| Keyword(1) | Ubiquitous |
| Keyword(2) | Sensor networks |
| Keyword(3) | Anomalous detection |
| Keyword(4) | Bayesian networks |
| Keyword(5) | Nonparametric regression |
| Keyword(6) | Machine learning |
| 1st Author's Name | Sun Yong KIM |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corporation() |
| 2nd Author's Name | Masakatsu OHTA |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corporation |
| 3rd Author's Name | Mitsuo TERAMOTO |
| 3rd Author's Affiliation | Nippon Telegraph and Telephone Corporation |
| Date | 2006-11-16 |
| Paper # | IN2006-94 |
| Volume (vol) | vol.106 |
| Number (no) | 358 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |