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Kurt Alfred Kluever


Publications by Kurt Alfred Kluever (bibliography)

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Kluever, Kurt Alfred and Zanibbi, Richard (2009): Balancing usability and security in a video CAPTCHA. In: Proceedings of the 2009 Symposium on Usable Privacy and Security 2009. p. 14. http://doi.acm.org/10.1145/1572532.1572551

We present a technique for using content-based video labeling as a CAPTCHA task. Our CAPTCHAs are generated from YouTube videos, which contain labels (tags) supplied by the person that uploaded the video. They are graded using a video's tags, as well as tags from related videos. In a user study involving 184 participants, we were able to increase the human success rate on our video

© All rights reserved Kluever and Zanibbi and/or ACM Press

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