Re: COMP442: A simple explanation of Variational Autoencoders
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Deniz Yuret
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Apr 28, 2022, 3:41:10 AM4/28/22
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to YAGMUR AKARKEN, Comp542 Class
Hi Yagmur,
This equation is valid because we can always rewrite a constant (in this case logP(x)) as an expectation of itself (in this case E_z~Q(z|x) logP(x)). Writing this in integral form:
logP(x) = Integral_z logP(x) Q(z|x) dz
Then we combine the two integrals to get the above result.
best,
deniz
On Wed, Apr 27, 2022 at 12:59 PM YAGMUR AKARKEN <yakar...@ku.edu.tr> wrote:
Hocam merhaba,
VAE’lerin objective derivationında blog postunuzda anlayamadığım bir yer olmuştu dün. Tekrar bakmak için hatırlatmamı istemiştiniz. Anlayamadığım eşitliği de ekliyorum.