homography.h

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//
//    SemanticFastForward_EPIC@ECCVW 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 3 of the License, or
//    (at your option) any later version.
//
//    SemanticFastForward_JVCI 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 SemanticFastForward_EPIC@ECCVW.  If not, see <http://www.gnu.org/licenses/>.
//

#ifndef HOMOGRAPHY_H
#define HOMOGRAPHY_H

#include <stdio.h>
#include <iostream>

#include <opencv2/core/core.hpp>
#include <opencv2/features2d/features2d.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/nonfree/nonfree.hpp>
#include <opencv2/calib3d/calib3d.hpp>
#include <opencv2/imgproc/imgproc.hpp>

#include "definitions/define.h"

enum HomogCoverage {
                    NO_AREA,
                    DROP_AREA,
                    CROP_AREA
                   };

bool    findHomographyMatrix        ( const cv::Mat &image_src , const cv::Mat &image_dst , cv::Mat &homography_matrix, cv::Mat &ransac_mask ) ;

bool    findHomographyMatrix        ( const cv::Mat &image_src , const cv::Mat &image_dst , cv::Mat &homography_matrix ) ;

bool findHomographyMatrix( const std::vector<cv::KeyPoint> &keypoints_image_src, const std::vector<cv::KeyPoint> &keypoints_image_dst,
                           const cv::Mat &descriptors_image_src, const cv::Mat &descriptors_image_dst,
                           cv::Mat &homography_matrix, cv::Mat &ransac_mask );

bool findHomographyMatrix(const std::vector<cv::KeyPoint> &keypoints_image_src, const std::vector<cv::KeyPoint> &keypoints_image_dst,
                          const cv::Mat &descriptors_image_src, const cv::Mat &descriptors_image_dst,
                          cv::Mat &homography_matrix);

bool    applyHomographyMatrix       ( const cv::Mat &image_src , const cv::Mat &homography_matrix , cv::Mat &image_result ) ;

bool    checkHomographyConsistency  ( const std::vector<cv::Point2f> img_corners , const cv::Mat &homography_matrix ) ;

bool    checkHomographyConsistency  ( const std::vector<cv::Point2f> new_img_corners );

double  getAreaRatio                ( const cv::Mat& image_src, const cv::Mat& homography_matrix, const cv::Rect& frame_limits );

HomogCoverage getHomogCoverage     ( const cv::Mat& image_src, const cv::Mat& homography_matrix, const cv::Rect& drop_area, const cv::Rect& crop_area);

void getKeypointsAndDescriptors( const cv::Mat &image, std::vector< cv::KeyPoint > &keypoints, cv::Mat &descriptors );

#endif // HOMOGRAPHY_H