image_utilities.h

Go to the documentation of this file.

/****************************************************************************************
 * SCYLLARUS : C++ HYPERSPECTRAL PROCESSING LIBRARY
 * image_utilities.h - Image related utility functions.
 *
 * This computer code is subject to copyright:
 * (c) National ICT Australia Limited (NICTA) 2013-2014 All Rights Reserved.
 *
 * Jeremy Oorloff, National ICT Australia (NICTA)
 *
 ***************************************************************************************/

#ifndef IMAGE_UTILITIES_H_
#define IMAGE_UTILITIES_H_

#include <armadillo>
#include "iso646.h"

#include "logger.h"
#include "nurbs.h"

namespace scyl
{

    arma::fmat compute_greyscale(const arma::fcube & source,
                                  const arma::fvec & wave);

    float linear_interp(const float   wavelength,
                          const int   band);

    arma::fcube compute_rgb(const arma::fcube & I,
                             const arma::fvec & illuminant,
                             const arma::fvec & wave);

    arma::fcube reconstruct_I(const arma::fvec & illuminant,
                              const arma::fmat & k,
                              const arma::fmat & g,
                             const arma::fcube & s,
                                         float   k_factor);

    arma::fcube reconstruct_s(const arma::fvec & illuminant,
                              const arma::fmat & k,
                              const arma::fmat & g,
                             const arma::fcube & I,
                                         float   k_factor);

    arma::fcube reconstruct_s_elements(const arma::fmat & elements,
                                      const arma::fcube & abundances,
                                      const arma::ucube & indexes);

    arma::fvec reconstruct_illuminant(const arma::fmat  & k,
                                      const arma::fmat  & g,
                                      const arma::fcube & I,
                                      const arma::fcube & s,
                                                  float   k_factor);

    arma::fcube colour_jet(const arma::fmat & in);

    arma::fcube resample_image(const arma::fcube & in_image,
                                const arma::fvec & in_waves,
                                const arma::fvec & in_waves_new);



}

#endif