Question Key Answer CAPTCHA CAPTCHA EZGimpy 92 Gimpyr

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動機與目的 Question? Key? Answer?

動機與目的 Question? Key? Answer?

CAPTCHA 架構

CAPTCHA 架構

安全性 CAPTCHA 破解率 EZ-Gimpy 92% Gimpy-r 78% Microsoft CAPTCHA 92% Asirra CAPTCHA 10. 3%

安全性 CAPTCHA 破解率 EZ-Gimpy 92% Gimpy-r 78% Microsoft CAPTCHA 92% Asirra CAPTCHA 10. 3%

可變問題的圖像式驗證碼 A Novel Image-based CAPTCHA Scheme with Changing Questions 感謝聆聽

可變問題的圖像式驗證碼 A Novel Image-based CAPTCHA Scheme with Changing Questions 感謝聆聽