Signature Verification
Signature Verification
Signature Verification
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Dimension Reduction• PCA– Transform a 3D vector of highly correlated data to 1D– Find a linear transformation W that maps the originalvector (X) to projection coefficient vector (Y)Y=WX– Compute Average:– Covariance Matrix:T– Eigen-decomposition:SµT==S TN∑1N∑N i = 1i = 1x i( x − µ )( x − µ )e = λeiiT
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