这是一个创建于 5117 天前的主题，其中的信息可能已经有所发展或是发生改变。
http://www.google.com/recaptcha/digitizing
以前很讨厌这套验证码系统，因为每次看着都很费劲，不过似乎不用全部输入正确也可以通过。
现在才知道原来是这么有意义而复杂的项目
Answers to reCAPTCHA challenges are used to digitize textual documents. It's not easy, but through a sophisticated combination of multiple OCR programs, probabilistic language models, and most importantly the answers from millions of humans on the internet, reCAPTCHA is able to achieve over 99.5% transcription accuracy at the word level. See for yourself!
以前很讨厌这套验证码系统，因为每次看着都很费劲，不过似乎不用全部输入正确也可以通过。
现在才知道原来是这么有意义而复杂的项目
Answers to reCAPTCHA challenges are used to digitize textual documents. It's not easy, but through a sophisticated combination of multiple OCR programs, probabilistic language models, and most importantly the answers from millions of humans on the internet, reCAPTCHA is able to achieve over 99.5% transcription accuracy at the word level. See for yourself!
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dimlau 2010-11-05 14:06:38 +08:00
恩，很有爱的功能。
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2
lianghai 2010-11-05 14:11:27 +08:00
嘿这就是为什么我一看到 reCAPTCHA 就很开心地写答案～相比其他那些难看又浪费时间的解决方案，reCAPTCHA 太有意义了。
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3
yoyicue 2010-11-05 14:15:10 +08:00
所以才被google收购嘛
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4
est 2010-11-05 14:19:09 +08:00
recaptcha其实不用全部输入正确，把那个已知的单词输入正确就是行了
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6
Sunyanzi 2010-11-05 14:42:26 +08:00
不然你以为为什么 recaptcha 需要两个单词 ..?
有些你看不清的就是书籍里面来的词 ... 直接乱打就好了 ... |
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7
fanzeyi 2010-11-05 14:49:44 +08:00
哇 原来如此
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