Whitening
From Ufldl
(→2D example) |
|||
| Line 19: | Line 19: | ||
Repeating our previous figure, our plot for <math>\textstyle x_{\rm rot}</math> was: | Repeating our previous figure, our plot for <math>\textstyle x_{\rm rot}</math> was: | ||
| - | [[File:PCA- | + | [[File:PCA-rotated.png | 600px]] |
The covariance matrix of this data is given by\footnote{Technically, many of the | The covariance matrix of this data is given by\footnote{Technically, many of the | ||
| Line 66: | Line 66: | ||
\smallskip | \smallskip | ||
\noindent | \noindent | ||
| + | |||
== ZCE Whitening == | == ZCE Whitening == | ||
Finally, it turns out that this way of getting the | Finally, it turns out that this way of getting the | ||
