CvUtils.h

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#pragma once
 
 
#include <opencv2/core/mat.hpp>
 
 
namespace core {
    namespace image {
 
        void resizeRect(cv::Rect &rect, double scaleFactor);
 
        void createQuadraticRect(cv::Rect& r, const cv::Rect& imageRect);
 
        void histogramEqualization(cv::Mat &frame);
 
    }// namespace image
 
    namespace math {
 
        void eulerAnglesFromRotationVector(
            const cv::Mat &rotationVector,
            cv::Vec3d &eulerAngles
        );
 
        cv::Mat eulerAnglesToRotationMatrix(const cv::Vec3f &theta);
 
        cv::Point3d rotatePoint(
            const cv::Point3d& point,
            const cv::Mat& rotationmatrix
        );
 
        cv::Point perspectiveTransformPoint(
            const cv::Point2f& pt,
            cv::Mat & transformation
        );
 
        cv::Point2d findProjectedPoint(
            const cv::Mat &rotation_matrix,
            const cv::Mat &translation_vector,
            const cv::Mat camera_matrix,
            cv::Point3d model_point
        );
 
        int getBlobIntersectionArea(
            const cv::Mat &blobImg,
            const std::vector<cv::Point> &contour1,
            const std::vector<cv::Point> &contour2
        );
 
        void getBlobCorners(
            const std::vector<cv::Point> &blob,
            cv::Point &tl,
            cv::Point &tr,
            cv::Point &br,
            cv::Point &bl
        );
 
        float getAngleBetween(
            cv::Point a_begin,
            cv::Point a_end,
            cv::Point b_begin,
            cv::Point b_end
        );
 
        cv::Point getMean(const std::vector<cv::Point>& vec);
 
    }// namespace math
} // namespace core