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Pattern classification - Brain Research Imaging Centre Edinburgh

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<strong>Pattern</strong> recognition framework<br />

Input (brain scans)<br />

X 1<br />

X 2<br />

X 3<br />

No mathematical<br />

model available<br />

Machine<br />

Learning<br />

Methodology<br />

Output (control/patient)<br />

y 1<br />

y 2<br />

y 3<br />

Computer-based procedures that learn a function from a series of examples<br />

Training Examples:<br />

(X 1 ,y 1 ),...,(X s ,y s )<br />

Learning/Training Phase<br />

Generate a function or classifier<br />

f such that<br />

f<br />

Testing Phase<br />

Test Example X i<br />

f(x i ) y i<br />

f(X i ) = y i<br />

Prediction

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