Unsupervised Outlier Detection via Transformation Invariant Autoencoder.
Zhen ChengEn ZhuSiqi WangPei ZhangWang LiPublished in: IEEE Access (2021)
Keyphrases
- outlier detection
- fraud detection
- data streams
- knowledge discovery
- density ratio estimation
- high dimensional datasets
- detection algorithm
- restricted boltzmann machine
- credit card fraud detection
- density estimation
- data sets
- detecting outliers
- density based clustering
- data mining
- unsupervised learning
- semi supervised
- outlier mining
- distance based outlier detection
- supervised learning
- change point detection
- detect outliers
- hidden markov models
- spatio temporal
- databases