<p>In <a href="https://github.com/mlpack/mlpack/pull/703#discussion_r74704338">src/mlpack/methods/edge_boxes/feature_extraction.hpp</a>:</p>
<pre style='color:#555'>> + * convert (16, 16, 13 * 1000) features to (256, 1000, 13).
> + * @param channels input features
> + * @param ch output features just rearranged
> + */
> + void Rearrange(const CubeType& channels, CubeType& ch);
> +
> + /**
> + * Compute the pairwise differences between n-dimensional points in a way
> + * specified in the paper "Structured Forests for Fast Edge Detection".
> + * Note: Indeed this is not a valid distance measurement (asymmetry).
> + * find nC2 differences, for locations in the grid_pos.
> + * @param features n-dimensional points
> + * @param grid_pos locations
> + * @param Output stores differences between features at grid_pos locations
> + */
> + void PDist(const CubeType& features, const arma::uvec& grid_pos,
</pre>
<p>Please do not use an underscore for parameter names.</p>
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