Abstract
A set of coefficient selection rules is proposed for efficiently determining the effective DCT watermarking coefficients of an image for JPEG attack. These rules are simple in computation but they are derived from the theoretically optimized data set with the aid of the parametric classifiers. They improve the watermark robustness (correctly decoding) and, in the mean time, decrease the error detection probability (correct detection). The frequency versus watermark strength space is used in constructing the selection rules. Simulation results show that the computational complexity is significantly reduced compared to our previous theory-based optimization work, but still the selected coefficients can achieve nearly the same performance as the original scheme.
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© 2004 Springer-Verlag Berlin Heidelberg
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Tang, CW., Hang, HM. (2004). Efficient Algorithms in Determining JPEG-Effective Watermark Coefficients. In: Aizawa, K., Nakamura, Y., Satoh, S. (eds) Advances in Multimedia Information Processing - PCM 2004. PCM 2004. Lecture Notes in Computer Science, vol 3333. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30543-9_95
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DOI: https://doi.org/10.1007/978-3-540-30543-9_95
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-23985-7
Online ISBN: 978-3-540-30543-9
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