On the discriminability of keystroke feature vectors used in fixed text keystroke authentication.
Kiran S. BalaganiVir V. PhohaAsok RayShashi PhohaPublished in: Pattern Recognit. Lett. (2011)
Keyphrases
- keystroke dynamics
- feature vectors
- text input
- user authentication
- identity verification
- text documents
- information retrieval
- text entry
- support vector machine
- euclidean distance
- database
- text retrieval
- similarity measure
- biometric authentication
- face images
- free text
- gaussian mixture model
- rotation invariant
- text data
- information extraction
- hidden markov models
- feature space
- keywords
- machine learning