Whitening

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(Regularizaton)
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\end{align}</math>
\end{align}</math>
When <math>\textstyle x</math> takes values around <math>\textstyle [-1,1]</math>, a value of <math>\textstyle \epsilon \approx 10^{-5}</math>
When <math>\textstyle x</math> takes values around <math>\textstyle [-1,1]</math>, a value of <math>\textstyle \epsilon \approx 10^{-5}</math>
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might be typical.  With this form of regularization, the features won't all
+
might be typical.  <!-- With this form of regularization, the features won't all -->
For the case of images, adding <math>\textstyle \epsilon</math> here also has the effect of slightly smoothing (or low-pass
For the case of images, adding <math>\textstyle \epsilon</math> here also has the effect of slightly smoothing (or low-pass

Revision as of 06:22, 29 April 2011

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