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

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Limits in using individual face authentication systems Genuine user Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: 78.82 Multiple KL algorithm Acceptance threshold at EER: 49.54 Non Linear KL algorithm Acceptance threshold at EER: 55.13 Score 81.51 52.73 51.66 Accepted Wrongly Rejected

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Limits in using individual face authentication systems Score 79.06 31.28 52.08 Wrongly Accepted Rejected Impostor access trial as: Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: 78.82 Multiple KL algorithm Acceptance threshold at EER: 49.54 Non Linear KL algorithm Acceptance threshold at EER: 55.13

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Limits in using individual face authentication systems Score 92.77 44.38 99.29 Accepted Wrongly Rejected Genuine user Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: 78.82 Multiple KL algorithm Acceptance threshold at EER: 49.54 Non Linear KL algorithm Acceptance threshold at EER: 55.13

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Limits in using individual face authentication systems Score 79.69 17.27 55.15 Wrongly Accepted Rejected Impostor access trial as: Wrongly Accepted Enhanced Fisher Linear Discriminant algorithm Acceptance threshold at EER: 78.82 Multiple KL algorithm Acceptance threshold at EER: 49.54 Non Linear KL algorithm Acceptance threshold at EER: 55.13

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Advantages in combining multiple face authentication systems Genuine user Enhanced Fisher Linear Discriminant algorithm Score: 81.51 Accepted Multiple KL algorithm Score: 52.73 Accepted Non Linear KL algorithm Score: 51.66 Wrongly rejected 87.02 Accepted FUSION by the product of the individual Scores Acceptance threshold at EER: 81.67 Final Score

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Advantages in combining multiple face authentication systems 65.14 REJECTED Enhanced Fisher Linear Discriminant algorithm Score: 79.06 Wrongly accepted Multiple KL algorithm Score: 31.28 Rejected Non Linear KL algorithm Score: 52.08 Rejected Impostor access trial as: FUSION by the product of the individual Scores Acceptance threshold at EER: 81.67 Final Score

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Advantages in combining multiple face authentication systems 99.29 Accepted Genuine user Enhanced Fisher Linear Discriminant algorithm Score: 92.77 Accepted Mulitple KL algorithm Score: 44.38 Wrongly rejected Non Linear KL algorithm Score: 99.29 Accepted FUSION by the product of the individual Scores Acceptance threshold at EER: 81.67 Final Score

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Advantages in combining multiple face authentication systems FUSION by the product of the individual Scores Acceptance threshold at EER: 81.67 50.19 REJECTED Enhanced Fisher Linear Discriminant algorithm Score: 79.69 Wrongly accepted Multiple KL algorithm Score: 17.27 Rejected Non Linear KL algorithm Score: 55.15 Wrongly accepted Impostor access trial as: Final Score

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