Program Listing for File utils.h

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#pragma once

/* ************************************************************************* */
// OpenCV
#include <opencv2/opencv.hpp>
#include <opencv2/features2d/features2d.hpp>
#include <opencv2/core/core.hpp>
#include <opencv2/imgproc/imgproc.hpp>

// System
#include <string>
#include <vector>

/* ************************************************************************* */
void compute_min_32F(const cv::Mat& src, float& value);

void compute_max_32F(const cv::Mat& src, float& value);

void convert_scale(cv::Mat& src);

void copy_and_convert_scale(const cv::Mat& src, cv::Mat& dst);

void draw_keypoints(cv::Mat& img, const std::vector<cv::KeyPoint>& kpts);

int save_keypoints(std::string& keypointsFile, const std::vector<cv::KeyPoint>& kpts, const cv::Mat& desc, bool bVerbose);

void matches2points_nndr(const std::vector<cv::KeyPoint>& train, const std::vector<cv::KeyPoint>& query,
                         const std::vector<std::vector<cv::DMatch> >& matches,
                         std::vector<cv::Point2f>& pmatches, const float nndr);

void compute_inliers_ransac(const std::vector<cv::Point2f>& matches, std::vector<cv::Point2f>& inliers,
                            const float error, const bool use_fund);

void compute_inliers_homography(const std::vector<cv::Point2f>&matches, std::vector<cv::Point2f>& inliers,
                                const cv::Mat& H, const float min_error);


void draw_inliers(const cv::Mat& img1, const cv::Mat& img2, cv::Mat& img_com,
                  const std::vector<cv::Point2f>& ptpairs);

void draw_inliers(const cv::Mat& img1, const cv::Mat& img2, cv::Mat& img_com,
                  const std::vector<cv::Point2f>& ptpairs, int color);

bool read_homography(const std::string& homography_path, cv::Mat& H1toN);

void show_input_options_help(int example);

void display_text(cv::Mat& img_rgb, int npoints1, int npoints2, int nmatches,
                  int ninliers, float ratio, float dratio, int index);