Recaptcha audio recognition, 1-4 July 2012

Explaned how audio recaptcha was recognized. Time domain method.
Updated 16 Jul 2012

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Now this version of the captcha are not used. So code useless.

Code explanation on this video:

or in presentation.ppt file inside zip-archive.

run test189_recognize3_many.m to get 30 captchas recogniztion.

samples3 subfolder has all 20 digits sounds noise reducted, newnew_12_1 subfolder has 30 captchas in wav-format for test.

Cite As

Maxim Vedenyov (2024). Recaptcha audio recognition, 1-4 July 2012 (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2010b
Compatible with any release
Platform Compatibility
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