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Fusion of face recognition algorithms Università degli Studi di Cagliari Dipartimento di Ingegneria Elettrica ed Elettronica Pattern Recognition and Applications.

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Presentation on theme: "Fusion of face recognition algorithms Università degli Studi di Cagliari Dipartimento di Ingegneria Elettrica ed Elettronica Pattern Recognition and Applications."— Presentation transcript:

1 Fusion of face recognition algorithms Università degli Studi di Cagliari Dipartimento di Ingegneria Elettrica ed Elettronica Pattern Recognition and Applications group

2 Limits in using individual face authentication systems Genuine user Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: Multiple KL algorithm Acceptance threshold at EER: Non Linear KL algorithm Acceptance threshold at EER: Score Accepted Wrongly Rejected

3 Limits in using individual face authentication systems Score Wrongly Accepted Rejected Impostor access trial as: Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: Multiple KL algorithm Acceptance threshold at EER: Non Linear KL algorithm Acceptance threshold at EER: 55.13

4 Limits in using individual face authentication systems Score Accepted Wrongly Rejected Genuine user Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: Multiple KL algorithm Acceptance threshold at EER: Non Linear KL algorithm Acceptance threshold at EER: 55.13

5 Limits in using individual face authentication systems Score Wrongly Accepted Rejected Impostor access trial as: Wrongly Accepted Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: Multiple KL algorithm Acceptance threshold at EER: Non Linear KL algorithm Acceptance threshold at EER: 55.13

6 Advantages in combining multiple face authentication systems Genuine user Enhanced Fisher Linear Discriminant algorithm Score: Accepted Multiple KL algorithm Score: Accepted Non Linear KL algorithm Score: Wrongly rejected Accepted FUSION by the product of the individual Scores Acceptance threshold at EER: Final Score

7 Advantages in combining multiple face authentication systems REJECTED Enhanced Fisher Linear Discriminant algorithm Score: Wrongly accepted Multiple KL algorithm Score: Rejected Non Linear KL algorithm Score: Rejected Impostor access trial as: FUSION by the product of the individual Scores Acceptance threshold at EER: Final Score

8 Advantages in combining multiple face authentication systems Accepted Genuine user Enhanced Fisher Linear Discriminant algorithm Score: Accepted Mulitple KL algorithm Score: Wrongly rejected Non Linear KL algorithm Score: Accepted FUSION by the product of the individual Scores Acceptance threshold at EER: Final Score

9 Advantages in combining multiple face authentication systems FUSION by the product of the individual Scores Acceptance threshold at EER: REJECTED Enhanced Fisher Linear Discriminant algorithm Score: Wrongly accepted Multiple KL algorithm Score: Rejected Non Linear KL algorithm Score: Wrongly accepted Impostor access trial as: Final Score


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