Commit 081c0256 authored by gmontavon's avatar gmontavon
Browse files

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parent 47491350
......@@ -194,10 +194,9 @@ propagation rule that properly handles pixel values received as input (cf.
Section 10.3.2). In particular, we apply for this layer the zB-rule given
by:</p>
<img src="http://latex.codecogs.com/svg.latex?
R_i = \sum_j \frac{a_i w_{ij} - l_i w_{ij}^+ - h_i w_{ij}^-}{\sum_{i} a_i w_{ij}
- l_i w_{ij}^+ - h_i w_{ij}^-} R_j
">
<img src="http://latex.codecogs.com/svg.latex?R_i = \sum_j \frac{a_i w_{ij} -
l_i w_{ij}^+ - h_i w_{ij}^-}{\sum_{i} a_i w_{ij} - l_i w_{ij}^+ - h_i w_{ij}^-}
R_j">
<p>In this rule, <i>l<sub>i</sub></i> and <i>h<sub>i</sub></i> are the lower and
upper bounds of pixel values, i.e. "-1" and "+1", and (·)<sup>+</sup> and
......@@ -343,10 +342,8 @@ parameters, and where we apply the increment function afterwards. As shown in
the LRP overview paper, Step 3 can instead be computed as a gradient in the
space of input activations:</p>
<img src="http://latex.codecogs.com/svg.latex?
c_j = \big[\nabla~\big({\textstyle \sum_k}~z_k(\boldsymbol{a}) \cdot
s_k\big)\big]_j
">
<img src="http://latex.codecogs.com/svg.latex?c_j = \big[\nabla~\big({\textstyle
\sum_k}~z_k(\boldsymbol{a}) \cdot s_k\big)\big]_j">
<p>where <i>s<sub>k</sub></i> is treated as constant.</p>
......
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