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annotate include/cvutils.hpp @ 398:3399bd48cb40

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Ajout d'une méthode pour obtenir le nombre de FPS Méthode de capture des trames vidéos plus résistante aux erreur Utilisation d'un dictionnaire pour les fichier de configuration afin de garder le nom des sections
author Jean-Philippe Jodoin <jpjodoin@gmail.com>
date Mon, 29 Jul 2013 13:46:07 -0400
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children 5eeb3b9fb568
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1 #ifndef CVUTILS_HPP
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2 #define CVUTILS_HPP
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4 #include "opencv2/core/core.hpp"
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5 #include "opencv2/features2d/features2d.hpp"
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7 class CvCapture;
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8 //template<typename T> class Point_<T>;
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10 /// constant that indicates if the image should be flipped
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11 //static const int flipImage = CV_CVTIMG_FLIP;
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13 /** Projects a point with the homography matrix
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14 use perspectiveTransform for arrays of points. */
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15 cv::Point2f project(const cv::Point2f& p, const cv::Mat& homography);
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17 /** Loads a cv mat from a text file where the numbers are saved line by line separated by separator */
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18 cv::Mat loadMat(const std::string& filename, const std::string& separator);
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20 template<typename T>
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21 float scalarProduct(const cv::Point_<T>& v1, const cv::Point_<T>& v2) { return v1.x*v2.x+v1.y*v2.y;}
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23 void keyPoints2Points(const std::vector<cv::KeyPoint>& kpts, std::vector<cv::Point2f>& pts, const bool& clearPts = true);
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25 /** Allocates a new IplImage. */
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26 IplImage* allocateImage(const int& width, const int& height, const int& depth, const int& channels);
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28 IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels);
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30 /** Goes to the target frame number, by querying frame,
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31 supposing the video input is currently at current frame number.
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32 Returns the frame number that was reached.*/
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33 int goToFrameNum(CvCapture* inputVideo, const int& currentFrameNum, const int& targetFrameNum);
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35 /// Pre-defined colors
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36 class Colors {
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37 public:
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38 static const int nColors = 8;
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39 static const cv::Scalar color[];
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41 static cv::Scalar black(void);
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42 static cv::Scalar red(void);
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43 static cv::Scalar green(void);
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44 static cv::Scalar blue(void);
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45 static cv::Scalar white(void);
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46 static cv::Scalar magenta(void);
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47 static cv::Scalar cyan(void);
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48 static cv::Scalar yellow(void);
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50 /** Maps integers to primary colors. */
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51 static cv::Scalar color3(const int& num);
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52 static cv::Scalar color8(const int& num);
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53 };
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55 #endif