A Novel Approach for the design of 2D Sharp Circularly Symmetric FIR Filters

Elizabeth Elias; Manju Manuel

A Novel Approach for the design of 2D Sharp Circularly Symmetric FIR Filters

Elizabeth Elias * §

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Manju Manuel

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National Institute of Technology, Calicut, Kerala, I...

A Novel Approach for the design of 2D Sharp Circularly Symmetric FIR Filters

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Abstract

In applications like weather monitoring, remote sensing, seismic signal processing etc, the boundaries and sharp features of the images have to be enhanced to obtain useful results and interpretations. The two dimensional(2D) highpass filters are used for such image processing applications. A direct design of the 2D high pass filter using frequency transformation has not been reported in the literature so far. In this paper, we present the design of a sharp 2D high pass filter using a direct transformation of the 1D low pass filter into a 2D high pass filter. Chebyshev polynomial approximation is used in mapping the one dimensional (1D)filter into its 2D equivalent. A promising aspect of the proposed transformation is that it is multiplier-free. Therefore the total complexity is decided by the multipliers of the 1D prototype filter. The complexity of designing a sharp 1D filter can be reduced by using the technique of Frequency Response Masking (FRM). Better circularity of the contour in the cutoff radius of the 2D filter is achieved compared to the traditional McClellan transformation. Reduced computation time and complexity are the highlights of the proposed approach.

References

16 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Elizabeth Elias, Manju Manuel. 2012. "A Novel Approach for the design of 2D Sharp Circularly Symmetric FIR Filters". Global Journal of Research in Engineering, Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 12 (GJRE Volume 12 Issue F6).

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GJRE Volume 12 Issue F6

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

2D sharp FIR Filter Circular symmetry Frequency Response Masking Frequency Transformation Multiplier-less transformation

Classification

GJRE-F Classification FOR Code: 100508

100599

Submission ReceivedFebruary 5, 2012
Peer Review Double Blind
Handling Editor
Accepted February 29, 2012
Published March 15, 2012

Version of record

v1.2

Issue date

May 30, 2012

Language

English

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Article Matrices

Total Score: 102

Country: India

Subject: Global Journal of Research in Engineering

Authors: Manju Manuel, Elizabeth Elias (PhD/Dr. count: 0)

View Count (all-time): 301

Total Views (Real + Logic): 1249

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Publish Date: 2012 03, Thu

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Total Views: 1.2K

Total Downloads: 83

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