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Yousef Saad Department Of Computer Science And Engineering

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Tests: Face Recognition<br />

Recognition accuracy of Lanczos approximation vs SVD<br />

ORL dataset<br />

AR dataset<br />

average error rate<br />

1<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

0.2<br />

0.1<br />

ORL<br />

0<br />

0 10 20 30 40 50 60 70 80 90 100<br />

iterations<br />

lanczos<br />

tsvd<br />

average error rate<br />

1<br />

0.9<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

0.2<br />

0.1<br />

AR<br />

0<br />

0 10 20 30 40 50 60 70 80 90 100<br />

iterations<br />

lanczos<br />

tsvd<br />

Vertical axis shows average error rate. Horizontal = Subspace<br />

dimension<br />

CSE Colloquium 11/09/09 p. 60

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