Title

Parallel-recusive filter structures for the computation of discrete transforms

Publication Date

1997

Journal

1997 IEEE International Conference on Acoustics, Speech, and Signal Processsing

Volume

3

Issue

21-24

First Page

1993

Last Page

1996

Abstract

A general approach is presented for implementing discrete transforms as a set of first-order or second-order recursive digital filters. Clenshaw's recurrence formulae are used to formulate the second-order filters. The resulting structure is suitable for efficient implementation of discrete transforms in VLSI or FPGA circuits. The general approach is applied to the discrete Legendre transform as an illustration.

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