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

Research article (Journal of Information Processing, 2015) · cited 14× · AI/ML
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HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols

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HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols is a scholarly article[1].

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  • HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols's instance of is recorded as scholarly article[2].

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APA 4ort.xyz Knowledge Graph. (2026). HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols. Retrieved May 24, 2026, from https://4ort.xyz/entity/hmm-based-attacks-on-google-s-recaptcha-with-continuous-visual-and-audio-symbols
MLA “HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/hmm-based-attacks-on-google-s-recaptcha-with-continuous-visual-and-audio-symbols.
BibTeX @misc{4ortxyz_hmm-based-attacks-on-google-s-recaptcha-with-continuous-visual-and-audio-symbols_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols}}, year = {2026}, url = {https://4ort.xyz/entity/hmm-based-attacks-on-google-s-recaptcha-with-continuous-visual-and-audio-symbols}, note = {Accessed: 2026-05-24}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols — https://4ort.xyz/entity/hmm-based-attacks-on-google-s-recaptcha-with-continuous-visual-and-audio-symbols (retrieved 2026-05-24)

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