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I have a doubt, it may be silly. Please explain me.

In K-L Transform, For forward transform we have the below equation

For inverse transform we have the below equation

In reverse transform why the 'A' transpose is not common to both y and m(mean of x) as in Forward transform equation?

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1 Answer 1

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$y=A(x-m_x)$-->$A^Ty=A^TA(x-m_x)=x-m_x$-->$x=A^Ty+m_x$

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