DYNAMIC SIGNATURE VERIFICATION USING PATTERN RECOGNITION

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ABSTRACT

In this work we describe a new approach to dynamic signature verification using the discriminative training framework. The authentic and forgery samples are represented by two separate Gaussian Mixture models and discriminative training is used to achieve optimal separation between the two models. An enrollment sample clustering and screening procedure is described which improves the robustness of the system. We also introduce a method to estimate and apply subject norms representing the "typical": variation of the subject's signatures. The subject norm functions are parameterized, and the parameters are trained as an integral part of the discriminative training. The system was evaluated using 480 authentic signature samples and 260 skilled forgery samples from 44 accounts and achieved an equal error rate of 2.25%.

TABLE OF CONTENT

TITLE PAGE

CERTIFICATION

APPROVAL

DEDICATION

ACKNOWLEDGEMENT

ABSTRACT

TABLE OF CONTENT

CHAPTER ONE

1.0INTRODUCTION

1.1STATEMENT OF PROBLEM

1.2PURPOSE OF STUDY

1.3AIMS AND OBJECTIVES

1.4SCOPE/DELIMITATIONS

1.5LIMITATIONS/CONSTRAINTS

1.6DEFINITION OF TERMS

CHAPTER TWO

2.0LITERATURE REVIEW

CHAPTER THREE

3.0METHODS FOR FACT FINDING AND DETAILED DISCUSSIONS OF THE SYSTEM

3.1 METHODOLOGIES FOR FACT-FINDING

3.2DISCUSSIONS

CHAPTER FOUR

4.0FUTURES, IMPLICATIONS AND CHALLENGES OF THE SYSTEM

4.1FUTURES

4.2IMPLICATIONS

4.3CHALLENGES

CHAPTER FIVE

5.0SUMMARY, RECOMMENDATIONS AND CONCLUSION

5.1SUMMARY

5.2RECOMMENDATION

5.3CONCLUSION

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DYNAMIC SIGNATURE VERIFICATION USING PATTERN RECOGNITION

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