发明名称 |
SYSTEM AND METHOD OF ANOMALY DETECTION WITH CATEGORICAL ATTRIBUTES |
摘要 |
A method and apparatus where the method includes detecting a plurality of events related to the activities of users within a security system wherein the events are defined by a plurality of attributes, wherein at least one attribute is categorical and wherein a data distance between events is a function of event attributes, evaluating the detected events using a a density based anomaly detection method f(r), where r is a size of a neighborhood around a data point, comparing a value of the evaluated expression with a margin threshold value (msg(r)) and setting an alarm upon detecting that the value exceeds the threshold value. |
申请公布号 |
CA2845952(A1) |
申请公布日期 |
2014.09.12 |
申请号 |
CA20142845952 |
申请日期 |
2014.03.12 |
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
LIBAL, VIT;VACHA, PAVEL;GURALNIK, VALERIE |
分类号 |
G08B13/22 |
主分类号 |
G08B13/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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