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Performance analysis of Coiflet-type wavelets for a fingerprint image compression by using wavelet and wavelet packet transform

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Author(s): Md. Rafiqul Islam | Farhad Bulbul | Shewli Shamim Shanta

Journal: International Journal of Computer Science and Engineering Survey
ISSN 0976-3252

Volume: 3;
Issue: 2;
Start page: 79;
Date: 2012;
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Keywords: Wavelets | wavelet packet decomposition | image compression | retain energy | percentage of zero

ABSTRACT
Fingerprint analysis plays a crucial role in crucial legal matters such as investigation of crime and security system. Due to the large number and size of fingerprint images, data compression has to be applied to reduce the storage and communication bandwidth requirements of those images. To do this, there are many types of wavelet has been used for fingerprint image compression. In this paper we haveused Coiflet-Type wavelets and our aim is to determine the most appropriate Coiflet-Type wavelet for better compression of a digitized fingerprint image and to achieve our goal Retain Energy (RE) and Number of Zeros (NZ) in percentage is determined for different Coiflet-Type wavelets at different threshold values at the fixed decomposition level 3 using wavelet and wavelet packet transform. We have used 8-bit grayscale left thumb digitized fingerprint image of size 480×400 as a test image.

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