Face anti-spoofing by identity masking using random walk patterns and outlier detection.
Balaji Rao KatikaKannan KarthikPublished in: Pattern Anal. Appl. (2020)
Keyphrases
- random walk
- outlier detection
- detection algorithm
- density ratio estimation
- knowledge discovery
- detecting outliers
- fraud detection
- markov chain
- high dimensional datasets
- data streams
- markov random walk
- pattern mining
- transition probability matrix
- data mining
- density estimation
- credit card fraud detection
- biometric systems
- text mining
- outlier mining
- real world
- spatial outliers
- principal component analysis
- least squares