The Role of Visual Features in Text-Based CAPTCHAs: An fNIRS Study for Usable Security.
Emre MülazimogluMurat Perit ÇakirCengiz AcartürkPublished in: Comput. Intell. Neurosci. (2021)
Keyphrases
- visual features
- image classification
- visual information
- image search
- visual content
- image retrieval
- image annotation
- low level features
- visual appearance
- semantic features
- low level
- keywords
- probabilistic latent semantic analysis
- visual data
- textual features
- semantic gap
- semantic concepts
- image collections
- multi label
- image database