TY  - JOUR
TT  - Hybrid Biometric System Using Iris and Speaker Recognition
AU  - Çetinel, Gökçen
AU  - Çerkezi, Llukman
AU  - Yazar, Barış
AU  - Eroğlu, Doğukan
PY  - 2016
DA  - December
DO  - 10.18100/ijamec.270332
JF  - International Journal of Applied Mathematics Electronics and Computers
PB  - PLUSBASE AKADEMİ ORGANİZASYON VE DANIŞMANLIK
WT  - DergiPark
SN  - 2147-8228
SP  - 216
EP  - 219
IS  - Special Issue-1
KW  - Biometric systems
KW  - iris recognition
KW  - speaker recognition
KW  - DTW
N2  - In this study, a hybridsecurity system is proposed. The proposed system is composed of two subsystemsnamely iris recognition system (IRS) and speaker recognition system (SRS).Pre-processing, feature extraction and feature matching are the main steps ofthese systems. In IRS subsystem, Gaussian filter, Canny edge detector, Houghtransform, and histogram equalization is performed for pre-processing,respectively. After that, byapplying 4-level Discrete Wavelet Transform (DWT) to pure iris image, the irisimage is decomposed into four sub-bands (LL4, LH4, HL4 and HH4). In order toextract the feature vector from iris pattern, the LH4, HL4 and HH4 sub-bands(matrices) are merged into one matrix. Finally the matrix is transformed invector to obtain the feature vector of iris image. For SRS subsystem, thepre-processing step includes spectral arrangement, silence part removing andband limitation operations. After pre-processing, frame blocking and windowingare applied to the long-term speech samples and then Fast Fourier Transform(FFT) is performed for the each short-term speech segments (frames). Finally,the Mel Frequency Cepstral Coefficients (MFCC) technique is performed in orderto obtain feature vector of the speech. The feature matching step of both IRSand SRS is implemented with Dynamic Time Warping (DTW) which is an efficientalgorithm to measure the distance between two vectors. According to the DTWresults, the false acceptance rate (FAR) is zero and false rejecting rate (FRR)is about 4 % for the proposed hybrid system.
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UR  - https://doi.org/10.18100/ijamec.270332
L1  - https://dergipark.org.tr/en/download/article-file/236891
ER  -