Filter Approximation Using Lattice Structure of 2 D Non-separable Orthogonal Wavelet Filter Banks


In this paper, we present a method of approximating a given 2D filter using the orthogonal wavelet filter banks. Construction of 2D orthogonal wavelet filter banks is still an open problem. In this paper, a family of orthogonal wavelet filter banks based on 2D lattice structure are used to approximate the desirable filter. By virtue of this structure, we… (More)

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