affine_least_squares.h

// Description: Least-squares affine transformation

#ifndef PASTEL_AFFINE_LEAST_SQUARES_H
#define PASTEL_AFFINE_LEAST_SQUARES_H

#include "pastel/math/affine/affine_transformation.h"

namespace Pastel
{

    //! Least-squares affine transformation between paired point-sets.
    /*!
   returns:
   The affine transformation with minimal least-squares error,
   if PP^T is non-singular, and SingularMatrix_Exception() 
   otherwise. As a special case, the n = 1 case is returned
   as an exact translation (although here PP^T is always
   singular).
   */
    template <typename Real, integer N>
    AffineTransformation<Real, N> affineLeastSquares(
        const Matrix<Real>& from,
        const Matrix<Real>& to)

    //! Returns the least squares affine transformation relating two point sets.
    template <typename Real, integer N>
    AffineTransformation<Real, N> affineLeastSquares(
        integer dimension,
        const std::vector<Vector<Real, N> >& from,
        const std::vector<Vector<Real, N> >& to);

}

#include "pastel/math/affine/affine_least_squares.hpp"

#endif