The Role of Visual Features in Text-Based CAPTCHAs: An fNIRS Study for Usable Security.
Emre MülazimogluMurat Perit ÇakirCengiz AcartürkPublished in: CoRR (2023)
Keyphrases
- visual features
- image search
- image classification
- visual information
- low level
- visual content
- image retrieval
- image annotation
- semantic gap
- visual appearance
- semantic concepts
- image collections
- low level features
- bag of features
- visual data
- probabilistic latent semantic analysis
- low level visual features
- keywords
- textual features
- search engine
- web images
- semantic features
- key frames
- action recognition
- multimedia