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Ruhr-Universität Bochum Universitätsstraße 150 44801 Bochum, Germany http://www.ruhr-uni-bochum.de
Contact Ms Raffaela Römer +49 234 3221645
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Ruhr-Universität Bochum

RUB-Forscher entwickeln sichere Audiocaptchas

Mensch und Maschine im Internet unterscheiden / Beitrag im Wissenschaftsmagazin Rubin

(PresseBox) (Bochum, )
Um Spam zu vermeiden, muss man sich auf vielen Webseiten als Mensch ausweisen und eine schwer erkennbare Zeichenfolge eingeben. Für Sehbehinderte gibt es akustische Lösungen. IT-Forscher wollen deren Qualität verbessern.

Maschine versteht oft besser als der Mensch

Wissenschaftler der Arbeitsgruppe Kognitive Signalverarbeitung der Ruhr-Universität Bochum (RUB) haben ein Audiocaptcha entwickelt, das in Tests im Vergleich zu momentan gängigen weit besser abgeschnitten hat.

Bei dem von Hendrik Meutzner und Prof. Dr. Dorothea Kolossa entwickelten Audiocaptcha liegt die menschliche Erfolgsrate bei 60 Prozent, die Maschine unterliegt mit 14 Prozent. Zum Vergleich: Ein aktuell von einer großen Web-Suchmaschine eingesetztes Captcha wird von 63
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I-Dpny: tclnzub.iaogrfvt@dam.rf
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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.