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cs.LG2026
Persistent Cross Entropy
Sijin Yeom, Jae-Hun Jung
Persistent entropy is the Shannon entropy of a persistence-based probability measure defined on a persistence diagram. However, its cross-entropy version is not naturally defined b…
cs.LG2022
Weighted Isolation and Random Cut Forest Algorithms for Anomaly Detection
Sijin Yeom, Jae-Hun Jung
Random cut forest (RCF) algorithms have been developed for anomaly detection, particularly in time series data. The RCF algorithm is an improved version of the isolation forest (IF…