Abstract
To construct multidimensional spatial-varying filter banks, a trivial way is to use tensor product of time-varying filter banks, i.e., separable spatial-varying filter banks. However, nonseparable filter banks for multidimensional signals are desired in many applications, such as, subband coding. In this paper, we present a systematic method to construct two dimensional spatial-varying filter banks with perfect reconstruction property from arbitrary two dimensional separable or nonseparable perfect reconstruction FIR filter banks on different rectangular regions, where overlaps between neighboring regions are designed to eliminate the blocking effects.
Published Version
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