affine.hpp

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// cpd - Coherent Point Drift
// Copyright (C) 2017 Pete Gadomski <pete.gadomski@gmail.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


#pragma once

#include <cpd/transform.hpp>

namespace cpd {

struct AffineResult : public Result {
    Matrix transform;

    Vector translation;

    Matrix matrix() const;

    void denormalize(const Normalization& normalization);
};

class Affine : public Transform<AffineResult> {
public:
    Affine()
      : Transform()
      , m_linked(DEFAULT_LINKED) {}

    AffineResult compute_one(const Matrix& fixed, const Matrix& moving,
                             const Probabilities& probabilities,
                             double sigma2) const;

    Affine& linked(bool linked) {
        m_linked = linked;
        return *this;
    }

    virtual bool linked() const { return m_linked; }

private:
    bool m_linked;
};

AffineResult affine(const Matrix& fixed, const Matrix& moving);
} // namespace cpd