Abstract
In this paper, we propose an image moment-based geometric nor malization to be applied before embedding and extracting a digital watermark in the DWT-domain of JPEG2000. A semi-fragile signature, generated from the normalized host signal, afterwards, is embedded for image authentication. The new system is tested extensively and per formance results are compared to those of methods proposed by other authors. Our new semi-fragile image authentica tion is robust against non-malicious modifications, such as lossy compression, noise, image blurring and sharpening, changes of luminance and contrast as well as scaling, rotation, translation, and shearing.
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References
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© 2009 Springer-Verlag Berlin Heidelberg
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Schlauweg, M., Müller, E. (2009). RST-Invariant Semi-fragile Image Authentication Based on DWT-Coefficient Quantization. In: Muneesawang, P., Wu, F., Kumazawa, I., Roeksabutr, A., Liao, M., Tang, X. (eds) Advances in Multimedia Information Processing - PCM 2009. PCM 2009. Lecture Notes in Computer Science, vol 5879. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-10467-1_55
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DOI: https://doi.org/10.1007/978-3-642-10467-1_55
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-10466-4
Online ISBN: 978-3-642-10467-1
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