Conference proceeding
Realization of 2-D variable IIR digital filter structures with a small amount of calculations for coefficient update
2002 45TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL III, CONFERENCE PROCEEDINGS, pp.684-687
01 Jan 2002
Abstract
This paper proposes a 2-D variable IIR digital filter structure with a small amount of calculations for coefficient update. In the proposed realization method, the parallel allpass 2-D variable filter structure is modularized in order to reduce the number of first-order complex allpass sections. Then, one of the first-order complex allpass section pair in the modularized variable structure is replaced by the complex conjugate converter. By means of the proposed method, the variable structure with minimal hardware elements can be realized. Comparison of the amount of calculations between variable structures shows that the proposed variable structure requires less calculations for coefficient update than the conventional variable structure.
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Details
- Title
- Realization of 2-D variable IIR digital filter structures with a small amount of calculations for coefficient update
- Creators
- H J JangM KawamataIEEE
- Publication Details
- 2002 45TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL III, CONFERENCE PROCEEDINGS, pp.684-687
- Conference
- 2002 45TH MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, 45th
- Publisher
- IEEE
- Number of pages
- 4
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- School of Biomedical Engineering, Science, and Health Systems; Drexel University
- Identifiers
- 991019415765904721
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- Web of Science research areas
- Computer Science, Artificial Intelligence
- Computer Science, Theory & Methods
- Engineering, Electrical & Electronic
- Imaging Science & Photographic Technology