DESIGN AND IMPLEMENTATION OF BIOMETRIC FEATURES PRE-PROCESSING

TITLE PAGE i 

DECLARATION ii 

APPROVAL iii 

DEDICATION iv 

ACKNOWLEDGEMENTS v 

ABSTRACT vi 

TABLE OF CONTENTS vii 

LIST OF FIGURES x 

LIST OF TABLES xii 

CHAPTER ONE: 

INTRODUCTION 1
1.1 BIOMETRICS 1
1.11 MEANING OF BIOMETRICS 1
1.12 FORMS OF BIOMETRIC FEATURES 1
1.2 SIGNIFICANCE OF THE PROJECT 3
1.21 BIOMETRICS FEATURE PRE - PROCESSING 3
1.22 REASONS FOR USING BIOMETRIC FEATURES 4
1.23 DSP AND BIOMETRICS FEATURE PRE-PROCESSING (IMPORTANCE OF DSP) 4
1.3 PROBLEM STATEMENT 5
1.4 AIM AND OBJECTIVES 6
1.5 SCOPE AND METHODOLOGY
1.51 SCOPE 6 1.52 METHODOLOGY 7
1.6 ORGANISATION OF THESIS 7

CHAPTER TWO: LITERATURE REVIEW 8
2.1 EARLY MODES OF DIFFERENTIATING/IDENTIFYING HUMANS(HISTORY OF BIOMETRICS) 8
2.2 PAST WORK FROM VARIOUS AUTHORS 10

CHAPTER THREE: MATERIALS AND METHODS 12
3.1 AUDIO PRE-PROCESSING 12
3.11 INTRODUCTION 12
3.12 AUDIO WAVE(SPEECH) AS A FORM OF BIO-METRIC SIGNAL 12
3.13 MODE OF AUDIO DATA ACQUISITION 14
3.14 ANALOGUE TO DIGITAL CONVERSION 14
3.15 SAMPLING AND QUANTIZATION 15
3.16 NOISE REMOVAL (FILTERING) 20
3.17 FRAMING 22
3.18 WINDOWING 24
3.2 IMAGE PRE-PROCESSING 27
3.21 INTRODUCTION 27
3.22 IMAGE AS A FORM OF BIO-METRIC SIGNAL 27
3.23 TECHNIQUE OF IMAGE DATA ACQUISITION 28
3.24 ANALOGUE-TO-DIGITAL CONVERSION 28
3.25 PROCESSES 29

CHAPTER FOUR: RESULT AND DISCUSSION 30 CHAPTER FIVE: CONCLUSIONS AND RECOMMENDATIONS 37
5.1 CONCLUSIONS 37
5.2 RECOMMENDATIONS 37
REFERENCES 38 

APPENDIX A: ALGORITHM FOR THE AUDIO SIGNAL PRE-PROCESSING (MATLAB) 40 

APPENDIX B: ALGORITHM FOR THE IMAGE SIGNAL PRE-PROCESSING (MATLAB) 45