Master Thesis - Department of Computer Science
Master Thesis - Department of Computer Science
Master Thesis - Department of Computer Science
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4.5.2 Performance <strong>of</strong> Dual Space Face Recognition Approach . . . . 96<br />
4.6 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99<br />
5 Enhancing Decision Combination <strong>of</strong> Face and Fingerprint by Ex-<br />
ploitation <strong>of</strong> Individual Classifier Space: An approach to Multimodal<br />
Biometry 100<br />
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101<br />
5.2 Theoretical Basis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102<br />
5.3 Improving Combined Performance by Strengthening Base Classifiers:<br />
Proposed Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105<br />
5.3.1 The Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . 107<br />
5.4 Experimental Results . . . . . . . . . . . . . . . . . . . . . . . . . . . 109<br />
5.5 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116<br />
6 Conclusion 118<br />
6.1 Contribution <strong>of</strong> the <strong>Thesis</strong> . . . . . . . . . . . . . . . . . . . . . . . . 118<br />
6.2 Scope <strong>of</strong> Future Work . . . . . . . . . . . . . . . . . . . . . . . . . . . 120<br />
Appendices 121<br />
A Fingerprint Recognition System 122<br />
A.1 Image Enhancement . . . . . . . . . . . . . . . . . . . . . . . . . . . 123<br />
A.1.1 Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123<br />
A.1.2 Normalization . . . . . . . . . . . . . . . . . . . . . . . . . . . 124<br />
A.1.3 Orientation Image . . . . . . . . . . . . . . . . . . . . . . . . 125<br />
A.1.4 Ridge Frequency Image . . . . . . . . . . . . . . . . . . . . . . 127<br />
A.1.5 Filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129<br />
A.2 Image Segmentation . . . . . . . . . . . . . . . . . . . . . . . . . . . 131<br />
A.3 Image Binarization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133<br />
A.4 Image Thinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135<br />
A.5 Minutiae Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . 137<br />
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