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FPGA Implementation of the CORDIC Algorithm for Fingerprints Recognition Systems

by Nihel Neji, Anis Boudabous, Wajdi Kharrat, Nouri Masmoudi
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 63 - Number 6
Year of Publication: 2013
Authors: Nihel Neji, Anis Boudabous, Wajdi Kharrat, Nouri Masmoudi
10.5120/10473-5204

Nihel Neji, Anis Boudabous, Wajdi Kharrat, Nouri Masmoudi . FPGA Implementation of the CORDIC Algorithm for Fingerprints Recognition Systems. International Journal of Computer Applications. 63, 6 ( February 2013), 39-45. DOI=10.5120/10473-5204

@article{ 10.5120/10473-5204,
author = { Nihel Neji, Anis Boudabous, Wajdi Kharrat, Nouri Masmoudi },
title = { FPGA Implementation of the CORDIC Algorithm for Fingerprints Recognition Systems },
journal = { International Journal of Computer Applications },
issue_date = { February 2013 },
volume = { 63 },
number = { 6 },
month = { February },
year = { 2013 },
issn = { 0975-8887 },
pages = { 39-45 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume63/number6/10473-5204/ },
doi = { 10.5120/10473-5204 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:13:28.747814+05:30
%A Nihel Neji
%A Anis Boudabous
%A Wajdi Kharrat
%A Nouri Masmoudi
%T FPGA Implementation of the CORDIC Algorithm for Fingerprints Recognition Systems
%J International Journal of Computer Applications
%@ 0975-8887
%V 63
%N 6
%P 39-45
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, we propose a low-cost sequential architecture for the implementation of CORDIC algorithm in two computation modes. It suited for serial operation that performs conversion between polar and rectangular coordinate systems, essentially sin/cos, sinh/cosh and arctan computation. The design targets real time application of fingerprint recognition. We present a VHDL description of CORDIC algorithm. To reduce iteration delay, we used some combinatory blocks. Fixed point arithmetic was considered. To valid our conception and its CORDIC accuracy, we present relative error calculated in convergence range for some trigonometric and hyperbolic functions. All measurements show an enhancement compared with our previous work. The architecture was implemented and tested. The contribution of the paper includes the CORDIC design flow.

References
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Index Terms

Computer Science
Information Sciences

Keywords

CORDIC algorithm fingerprint VHDL hardware FPGA

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