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"Exploiting the human-machine gap in image recognition for designing CAPTCHAs."
Ritendra Datta, Jia Li, James Ze Wang (2009)
- Ritendra Datta, Jia Li, James Ze Wang:
Exploiting the human-machine gap in image recognition for designing CAPTCHAs. IEEE Trans. Inf. Forensics Secur. 4(3): 504-518 (2009)
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