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Distance metric learning Vs. Fisher discriminant analysis.

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Presentation on theme: "Distance metric learning Vs. Fisher discriminant analysis."— Presentation transcript:

1 Distance metric learning Vs. Fisher discriminant analysis

2 Different Features

3 Glasses vs. No Glasses

4 Beard vs. No Beard

5 Learning a Metric

6 Class-Equivalence Side information (Unsupervised Learning)

7 Extension to su pervised learning

8 Problem statement

9 Distance metric learning by Eric P. Xing, Andrew Y. Ng, Michael I. Jordan and Stuart Russell

10 Maximally Collapsing Metric Learning (MCML)

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12 Improving embeddings by flexible exploitation of side information. Ghodsi, A.; Wilkinson, D. F.; and Southey, F.

13 Improving embeddings

14 Useful Matrix Identities

15 Improving embeddings

16 Class-Equivalence (Beard Distinction)

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18 Class-Equivalence (Glasses Distinction)

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20 Closed-form solution

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24 Alternative constraints

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28 Fisher Linear Discriminant Analysis (FDA)

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30 Experimental results

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38 Run-time comparison

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