Search Results for author: Ko-Jen Hsiao

Found 3 papers, 0 papers with code

Multi-criteria Similarity-based Anomaly Detection using Pareto Depth Analysis

no code implementations20 Aug 2015 Ko-Jen Hsiao, Kevin S. Xu, Jeff Calder, Alfred O. Hero III

If the relative importance of the different dissimilarity measures are not known in advance, as in many anomaly detection applications, the anomaly detection algorithm may need to be executed multiple times with different choices of weights in the linear combination.

Anomaly Detection

Pareto-depth for Multiple-query Image Retrieval

no code implementations21 Feb 2014 Ko-Jen Hsiao, Jeff Calder, Alfred O. Hero III

Most content-based image retrieval systems consider either one single query, or multiple queries that include the same object or represent the same semantic information.

Attribute Content-Based Image Retrieval +2

Multi-criteria Anomaly Detection using Pareto Depth Analysis

no code implementations NeurIPS 2012 Ko-Jen Hsiao, Kevin Xu, Jeff Calder, Alfred O. Hero

In such a case, multiple criteria can be defined, and one can test for anomalies by scalarizing the multiple criteria by taking some linear combination of them.

Anomaly Detection

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