A CAPTCHA model based on visual psychophysics: Using the brain to distinguish between human users and automated computer bots.
Seyed Mohammad RezaSaadat BeheshtiPanos LiatsisMuttukrishnan RajarajanPublished in: Comput. Secur. (2017)
Keyphrases
- human users
- computer programs
- intelligent agents
- human operators
- software agents
- visual information
- human subjects
- human brain
- dialogue system
- image classification
- visual stimuli
- low level
- evoked potentials
- high level
- cortical areas
- human robot
- learning algorithm
- brain computer interface
- domain experts
- cooperative
- artificial intelligence