Framework for evaluation of text captchas

    WWW (Companion Volume), pp. 159-160, 2013.

    Cited by: 2|Bibtex|Views25|Links
    EI
    Keywords:
    captcha segmentationpast commercial text-based captchashuman captchacharacter recognitionautomated meanMore(7+)

    Abstract:

    Interactive websites use text-based Captchas to prevent unauthorized automated interactions. These Captchas must be easy for humans to decipher while being difficult to crack by automated means. In this work we present a framework for the systematic study of Captchas along these two competing objectives. We begin by abstracting a set of d...More

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