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TUB @ MediaEval 2013 Visual Privacy Task: Reversible Scrambling with colour-preservative Characteristic
Citation key 1432Schmiedeke2013
Author Sebastian Schmiedeke and Pascal Kelm and and Thomas Sikora
Title of Book Proceedings of the MediaEval 2013 Multimedia Benchmark Workshop
Pages 128–129
Year 2013
Address Barcelona, Spain
Month oct
Note URN: urn:nbn:de:0074-1043-4 ARCHIVE: ftp://SunSITE.Informatik.RWTH-Aachen.DE/pub/publications/CEUR-WS/Vol-1043.zip ISSN 1613-0073
Editor Martha Larson, Xavier Anguera, Timo Reuter, Gareth J.F. Jones, Bogdan Ionescu, Markus Schedl, Tomas Piatrik, Claudia Hauff, Mohammad Soleymani
Publisher CEUR-WS
Abstract This paper describes our participation in the Visual Privacy Task of MediaEval 2013, which aims to obscure human occurrence in image sequences. As a result the recorded person should be unrecognisable. We use an approach which pseudo-randomly scrambles pixels within specified regions. This technique is reversible and preserves the colour characteristic of each region. So, colour-based approaches will still be able to automatically distinguish between differently dressed individuals. The evaluations of our results show that the privacy aspect got a very high score in both objective and subjective metrics. Our approach has a lack of intelligibility since it was measured by applying the Histogram of Oriented Gradients which might be fail on scrambled areas since edges are not preserved.
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