Personal identification using palmprint and contourlet transform

Atif Bin Mansoor, M. Mumtaz, H. Masood, M. Asif A. Butt, Shoab A. Khan

Research output: Chapter in Book/Conference paperConference paperpeer-review

4 Citations (Scopus)

Abstract

Palmprint based personal verification has gained preference over other biometric modalities due to its ease of acquisition, high user acceptance and reliability. This paper presents a new palmprint based identification approach which uses the textural information available on the palmprint by employing the Contourlet Transform (CT). Center of the palm is calculated using the Distance Transform and by calculating the parameters for the best fitting ellipse, the alignment of hand 'θ' is found. Rotational invariance is achieved by cropping a square region of size 256 x 256 pixels around the center aligned at θ degrees. After establishing the region of interest (ROI), the two dimensional (2-D) spectrums is divided into fine slices, using iterated directional filterbanks. Next, directional energy components for each block of the decomposed subband outputs are computed. The proposed algorithm captures both local and global details in a palmprint as a compact fixed length palm code of the computed directional energies. Palmprint matching is then performed using Normalized Euclidean Distance classifier. The proposed algorithm is tested on a total of 500 palm images of GPDS Hand database, acquired from University of Las Palmas de Gran Canaria. The experimental results demonstrated the feasibility of the proposed system by exhibiting Genuine Acceptance Rate of 98.2%, Decidability Index of 2.6212 and Equal Error Rate of 0.7082%.

Original languageEnglish
Title of host publicationAdvances in Visual Computing - 4th International Symposium, ISVC 2008, Proceedings
Pages521-530
Number of pages10
EditionPART 2
DOIs
Publication statusPublished - 1 Dec 2008
Externally publishedYes
Event4th International Symposium on Visual Computing, ISVC 2008 - Las Vegas, NV, United States
Duration: 1 Dec 20083 Dec 2008

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 2
Volume5359 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference4th International Symposium on Visual Computing, ISVC 2008
Abbreviated titleIVSC 2008
Country/TerritoryUnited States
CityLas Vegas, NV
Period1/12/083/12/08

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