[mlpack-git] [mlpack/mlpack] edge_boxes: feature extraction updated, tests added (#696)

[Marcus Edel]

> +      double const y_cross_x2 = y_diff * x_diff_2;
> +      double const y_cross_x = y_diff * x_diff;
> +      dst(row, col) = y2_cross_x2 * src(y, x) +
> +              y2_cross_x * src(y, x + 1) +
> +              y_cross_x2 * src(y + 1, x) +
> +              y_cross_x * src(y + 1, x + 1);
> +    }
> +  }
> +
> +  return dst;
> +}
> +
> +template<typename MatType, typename CubeType>
> +CubeType StructuredForests<MatType, CubeType>::
> +sepFilter2D(CubeType &InOutImage, arma::vec &kernel, size_t radius)
> +{

Do you think it's reasonable to use the NaiveConvolution function from the mlpack code?

``NaiveConvolution::Convolution(input, kernel, output)``

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