Detection of Word Adversarial Examples in Text Classification: Benchmark and Baseline via Robust Density Estimation.
KiYoon YooJangho KimJiho JangNojun KwakPublished in: CoRR (2022)
Keyphrases
- density estimation
- text classification
- kernel density estimates
- mixture model
- mixture modeling
- probability density
- nonparametric density estimation
- outlier detection
- density function
- probability density function
- text categorization
- machine learning
- labeled data
- detection algorithm
- feature selection
- parzen window
- exponential family
- object recognition
- multivariate gaussian distribution
- kernel density estimation
- knn
- em algorithm
- gaussian mixture model
- training examples
- probabilistic model
- unlabeled data
- density estimates
- density estimators
- image segmentation
- unsupervised learning
- data sets