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- W2154248734 abstract "Two-dimensional (2-D) periodically shift variant (PSV) digital filters are considered for image scrambling applications. The filters are formulated in the form of a difference equation and a Fornasini-Marchesini (FM) state-space model with periodic coefficients. These PSV models are then represented as shift-invariant systems which are named block difference equation and Kiok-Neon model respectively. Invertibility of this model is an important consideration, especially in image scrambling applications. A condition is established for the invertibility of the Kiok-Neon model of the 2-D PSV system. Also, the inverse system can be easily computed from the original system." @default.
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- W2154248734 date "2002-11-19" @default.
- W2154248734 modified "2023-09-25" @default.
- W2154248734 title "Image scrambling using 2-D periodically shift variant filters" @default.
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- W2154248734 doi "https://doi.org/10.1109/mwscas.1995.504480" @default.
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