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Project Summary

Captchacker ProjectAbstractThe Captchacker Project exploits the potential of Support Vector Machines to break visual captchas. We define “simulation-based” and “captcha-based” methods to build our models.

Our method performs extremely well for breaking easily-segmentable captchas, with a robust recognition. We also give a generalization to non easily segmentable – thus harder to break – captchas, using Dynamic Programming. Besides, we explain how to get a large training set without going through the long and boring task of manual labelling.

Finally, our source code is available (for free!) here.

Full paperDownload - BibTeX

Full presentationDownload


In a Nutshell, captchacker...

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30 Day Summary

Mar 16 2016 — Apr 15 2016

12 Month Summary

Apr 15 2015 — Apr 15 2016


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