The reCaptcha Helper: A Machine Learning Study
نویسندگان
چکیده
reCaptcha is a very popular CAPTCHA system on the Internet. Due to its design, we find that reCaptcha figures have certain feature that can potentially weaken this system. This paper discussed the design of reCaptcha, and use some simple Machine Learning algorithm to find a way to tell the difference between “control word” and “unknown word”. We also designed the experiment to evaluate our hypothesis and get a very good result. Keywords-CAPTCHA, reCaptcha, Machine Learning
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