I have seen some captchas being decode using javascript, php, etc. How do they do it?
For example, very popular megaupload site’s captcha has also been decoded.
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I have seen some captchas being decode using javascript, php, etc. How do they do it?
For example, very popular megaupload site’s captcha has also been decoded.
See:
OCR and Neural Nets in JavaScript
Here John Resig (creator of JQuery javascript library) explains how exactly it is been done.