验证码可以有效防止某个黑客对某一个特定注册用户用特定程序暴力破解方式进行不断的密码尝试,实际上用验证码是很多网站通行的方式(比如招商银行的网上个人银行,腾讯的QQ社区)。
基于支持向量机的验证码识别在电子商务中有着广泛应用。
Verified code recognition based on SVM is widely used in e-commerce.
当扫描仪发现无法识别的单词时,它就自动地将其转变为验证码,并将其发布到网页上需要的位置。
When its scanners find a word they can't read, they automatically turn it into a CAPTCHA that gets exported to a website in need of one.
四月发表的论文,是利用新程序对该公司存档的街景图片中进行了文本的识别试验,不出所料,在与验证码的比赛中,新程序击败了日益复杂的人工智能。
The April paper came out of work on text recognition in images from the firm's Street View archive, and of course on ReCAPTCHA's arms race to defeat increasingly sophisticated artificial intelligence.
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