Visualizing a Trained Autoencoder
From Ufldl
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What input image <math>\textstyle x</math> would cause | What input image <math>\textstyle x</math> would cause | ||
<math>\textstyle a^{(1)}_i</math> to be maximally activated? | <math>\textstyle a^{(1)}_i</math> to be maximally activated? | ||
- | + | (Less formally, what is the feature that hidden unit <math>\textstyle i</math> is looking for?) | |
For this question to have a non-trivial answer, | For this question to have a non-trivial answer, | ||
we must impose some constraints on <math>\textstyle x</math>. If we suppose that | we must impose some constraints on <math>\textstyle x</math>. If we suppose that |