<p>In <a href="https://github.com/mlpack/mlpack/pull/683#discussion_r66467426">src/mlpack/methods/edge_boxes/feature_extraction_impl.hpp</a>:</p>
<pre style='color:#555'>> + for(size_t k = 0; k < rgb2xyz.n_cols; ++k)
> + {
> + double s = 0.0;
> + for(size_t l = 0; l < InImage.n_slices; ++l)
> + s += InImage(i, j, l) * rgb2xyz(l, k);
> + xyz(i, j, k) = s;
> + }
> + }
> + }
> +
> + MatType nz(InImage.n_rows, InImage.n_cols);
> +
> + nz = 1.0 / ( xyz.slice(0) + (15 * xyz.slice(1) ) +
> + (3 * xyz.slice(2) + EPS));
> +
> + MatType L = arma::reshape(L, xyz.n_rows, xyz.n_cols);
</pre>
<p>Where is the L come from?</p>
<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/mlpack/mlpack/pull/683/files/9d85b64c6c6bdff608331195351d09abf56cfc96#r66467426">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe/AJ4bFOlGWTFTi6yuOFUWbOKVY1A0s52mks5qKDYJgaJpZM4IvUrl">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFExKWK0v6PBvbMjU099Pi7qvjE8rks5qKDYJgaJpZM4IvUrl.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
<link itemprop="url" href="https://github.com/mlpack/mlpack/pull/683/files/9d85b64c6c6bdff608331195351d09abf56cfc96#r66467426"></link>
<meta itemprop="name" content="View Pull Request"></meta>
</div>
<meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>