"HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio ..."

Shotaro Sano et al. (2015)

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DOI: 10.2197/IPSJJIP.23.814

access: open

type: Journal Article

metadata version: 2021-02-16

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Shotaro Sano, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno:
HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols. J. Inf. Process. 23(6): 814-826 (2015)

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