Abstract
In this paper, we introduce a concept to counter the current weakness of robust hashing with respect to cropping. We combine face detectors and robust hashing. By doing so, the detected faces become a subarea of the overall image which always can be found as long as cropping of the image does not remove the faces. As the face detection is prone to a drift effect altering size and position of the detected face, further mechanisms are needed for robust hashing. We show how face segmentation utilizing blob algorithms can be used to implement a face-based cropping robust hash algorithm.
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This work has been supported by the projects ForSicht and CASED, both funded by the State of Hessen.
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© 2014 Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Steinebach, M., Liu, H., Yannikos, Y. (2014). FaceHash: Face Detection and Robust Hashing. In: Gladyshev, P., Marrington, A., Baggili, I. (eds) Digital Forensics and Cyber Crime. ICDF2C 2013. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 132. Springer, Cham. https://doi.org/10.1007/978-3-319-14289-0_8
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DOI: https://doi.org/10.1007/978-3-319-14289-0_8
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