Fast anomaly detection with locality-sensitive hashing and hyperparameter autotuning.
Jorge MeiraCarlos Eiras-FrancoVerónica Bolón-CanedoGoreti MarreirosAmparo Alonso-BetanzosPublished in: Inf. Sci. (2022)
Keyphrases
- anomaly detection
- locality sensitive hashing
- similarity search
- nearest neighbor
- nearest neighbor search
- brute force
- intrusion detection
- sift features
- hash functions
- multimedia retrieval
- knn
- metric space
- detecting anomalies
- detect anomalies
- binary codes
- indexing techniques
- space efficient
- range queries
- intrusion detection system
- unsupervised learning
- model selection
- computer vision
- one class support vector machines
- hamming distance
- exhaustive search
- feature space
- pattern recognition
- keypoints
- pairwise
- object recognition
- similarity measure
- image processing