Abstract
A lightweight encryption scheme for visual data based on wavelet filter parametrization is discussed. Being a special variant of header encryption, the technique has an extremely low computational demand. Security assessement of low-dimensional parametrizations schemes show severe weaknesses. We show that using high-dimensional parametrizations the scheme may be employed in applications requiring a medium security level.
This work has been partially supported by the Austrian Science Fund FWF, project no. P15170.
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Pommer, A., Uhl, A. (2005). Lightweight Protection of Visual Data Using High-Dimensional Wavelet Parametrization. In: Roli, F., Vitulano, S. (eds) Image Analysis and Processing – ICIAP 2005. ICIAP 2005. Lecture Notes in Computer Science, vol 3617. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11553595_79
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DOI: https://doi.org/10.1007/11553595_79
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