"Breaking reCAPTCHA: A Holistic Approach via Shape Recognition."

Paul Baecher et al. (2011)

Details and statistics

DOI: 10.1007/978-3-642-21424-0_5

access: open

type: Conference or Workshop Paper

metadata version: 2018-06-26

manage site settings

To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.