Can't You Tell I am a Human? A Comparison of Common Text and Image CAPTCHAs Using a Low-Fidelity Methodology.
Hannah Marie Maurstad EriksenLars HoelCaroline Sofie JettebergAmalie Christine LeiknesFrode Eika SandnesPublished in: DSAI (2022)
Keyphrases
- image data
- input image
- image analysis
- single image
- image features
- image content
- multiscale
- image collections
- image classification
- image segmentation
- text retrieval
- static images
- web images
- image retrieval
- image representation
- template matching
- low level
- image pixels
- textual information
- information retrieval
- human observers
- test images
- image regions
- feature points
- edge detection
- high resolution
- keywords
- similarity measure