Abstract
This paper presents a novel data-hiding scheme for multimedia data using non-negative matrix factorization (NMF). Nonnegative feature space (basis matrix) is estimated using the NMF-framework from the sample set of multimedia objects. Subsequently, using a secret key a subspace (basis vector) of the estimated basis matrix is used to decompose the host data for information embedding and detection. Binary dither modulation is used to embed/detect the information into the host signal coefficients. To ensure the fidelity of the embedded information for a given robustness, host media coefficients are selected for information embedding according to the estimated masking threshold. Masking threshold is estimated using the human visual/auditory system (HVS/HAS) and host media. Simulation results show that the proposed NMF-based scheme provides flexible control over robustness and capacity for imperceptible embedding.
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© 2006 Springer-Verlag Berlin Heidelberg
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Malik, H., Baqai, F., Khokhar, A., Ansari, R. (2006). Secure Data-Hiding in Multimedia Using NMF. In: Gunsel, B., Jain, A.K., Tekalp, A.M., Sankur, B. (eds) Multimedia Content Representation, Classification and Security. MRCS 2006. Lecture Notes in Computer Science, vol 4105. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11848035_36
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DOI: https://doi.org/10.1007/11848035_36
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-39392-4
Online ISBN: 978-3-540-39393-1
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