<p>In <a href="https://github.com/mlpack/mlpack/pull/703#discussion_r69641472">src/mlpack/methods/edge_boxes/feature_extraction.hpp</a>:</p>
<pre style='color:#555'>> + void MaxAndLoc(CubeType &mag, arma::umat &Location, MatType& MaxVal) const;
> +
> + void Histogram(const MatType& Magnitude,
> + const MatType& Orientation,
> + const size_t downscale,
> + const size_t interp,
> + CubeType& HistArr);
> +
> + void ViewAsWindows(const CubeType& channels, const arma::umat& loc,
> + CubeType& features);
> +
> + void GetRegFtr(const CubeType& channels, const arma::umat& loc,
> + CubeType& RegFtr);
> +
> + void GetSSFtr(const CubeType& channels, const arma::umat& loc,
> + CubeType SSFtr);
</pre>
<p>I was wondering, why I don't see any similarity features, turns out we missed a reference here.</p>
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