Density-ratio estimation

Investigating the density-ratio based clustering and anomaly detection. The latest data transformation method **CDF-TS** (PRJ-21) can be obtained from **[here](**.

Data-dependent Similarity

Investigating the data-dependent similarity measures for distance-based learning algorithms. The source code of the latest data-dependent similarity measure **aNNE** (AAAI-19) can be obtained from **[here](**.

Isolation‐based Anomaly Detection

Evaluating and improving anomaly detection algorithms. The latest source code of **iForest** and **iNNE** can be obtained from [**here**]( The source code of IDK used for group anomaly detection and time series anomaly detection can be obtained from [**here**](