YAPPTCHA: Yet another picture promoted CAPTCHA with spam stopping, image labeling and SIFT accomplishment

M. Babaei | M.B. Ghaznavi-Ghoushchi | A. Noori

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URL :   http://research.shahed.ac.ir/WSR/WebPages/Report/PaperView.aspx?PaperID=10168
Date :  2013/05/16
Publish in :    کنفرانس مهندسي برق
DOI :  https://doi.org/10.1109/iraniancee.2013.6599621
Link :  http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6599621
Keywords :labeling

Abstract :

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