A New Method for the Design of Two-Dimensional Recursive Digital Filters

Ju Hong Lee; Yih Min Chen

doi:10.1109/29.1561

A New Method for the Design of Two-Dimensional Recursive Digital Filters

Ju Hong Lee, Yih Min Chen

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A new method for designing general two-dimensional digital recursive filters is presented. This method involves an iterative optimization procedure which is based on a modified Marquardt algorithm. The error function to be minimized is composed of the real part and imaginary part of frequency response error, and stability error which is computed in the spatial domain. Analytic formulas for the derivatives of error function with respect to filter coefficients are derived. Therefore, the error derivatives required in the optimization procedure can be calculated analytically rather than numerically. This results in saving design time significantly. We present several examples to demonstrate the design capability and the efficiency of this method.

Original language	English
Pages (from-to)	589-598
Number of pages	10
Journal	IEEE Transactions on Acoustics, Speech, and Signal Processing
Volume	36
Issue number	4
DOIs	https://doi.org/10.1109/29.1561
State	Published - Apr 1988

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A New Method for the Design of Two-Dimensional Recursive Digital Filters

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