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VLSI architecture for 2D Daubechies wavelet transform without multipliers

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2 Author(s)
Lewis, A.S. ; Dept. of Electr. Eng., Imperial Coll., London, UK ; Knowles, G.

The 2D orthogonal wavelet transform is proving to be a highly effective tool for image analysis. In particular, the four-coefficient Daubechies wavelet transform has excellent spatial and spectral locality, properties which make it very useful in image compression. A VLSI architecture suitable for 2D orthogonal wavelet transforms is presented, which for the Daubechies wavelet implements the forward and inverse transforms without multipliers. A sample implementation is described.

Published in:

Electronics Letters  (Volume:27 ,  Issue: 2 )

Date of Publication:

17 Jan. 1991

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