Fast median calculation method

Cadenas, J. and Megson, Graham M. and Sherratt, R.S. and Huerta, P. (2012) Fast median calculation method. Electronics Letters, 48 (10). pp. 558-560. ISSN 0013-5194

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The ever increasing demand for high image quality requires fast and efficient methods for noise reduction. The best-known order-statistics filter is the median filter. A method is presented to calculate the median on a set of N W-bit integers in W/B time steps. Blocks containing B-bit slices are used to find B-bits of the median; using a novel quantum-like representation allowing the median to be computed in an accelerated manner compared to the best-known method (W time steps). The general method allows a variety of designs to be synthesised systematically. A further novel architecture to calculate the median for a moving set of N integers is also discussed.

Item Type: Article
Subjects: University of Westminster > Science and Technology > Electronics and Computer Science, School of (No longer in use)
Depositing User: Rachel Wheelhouse
Date Deposited: 15 Aug 2012 10:18
Last Modified: 15 Aug 2012 10:18

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