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Perfect reconstruction QMF banks for two-dimensional applications

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1 Author(s)

A theory is outlined whereby it is possible to design a M \times N channel two-dimensional quadrature mirror filter bank which has perfect reconstruction property. Such a property ensures freedom from aliasing, amplitude distortion, and phase distortion. The method is based on a simple property of certain transfer matrices, namely the losslessness property.

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Circuits and Systems, IEEE Transactions on  (Volume:34 ,  Issue: 8 )