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annotate include/cvutils.hpp @ 144:b32947b002da

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added the code to read matrices from text files
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 26 Aug 2011 19:38:11 -0400
parents 47329bd16cc0
children 0089fb29cd26
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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 /** Loads a cv mat from a text file where the numbers are saved line by line separated by separator */
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14 cv::Mat loadMat(const std::string& filename, const std::string& separator);
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16 template<typename T>
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17 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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19 void keyPoints2Points(const std::vector<cv::KeyPoint>& kpts, std::vector<cv::Point2f>& pts, const bool& clearPts = true);
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21 /** Allocates a new IplImage. */
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22 IplImage* allocateImage(const int& width, const int& height, const int& depth, const int& channels);
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24 IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels);
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26 /** Goes to the target frame number, by querying frame,
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27 supposing the video input is currently at current frame number.
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28 Returns the frame number that was reached.*/
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29 int goToFrameNum(CvCapture* inputVideo, const int& currentFrameNum, const int& targetFrameNum);
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31 /// Pre-defined colors
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32 class Colors {
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33 public:
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34 static const int nColors = 8;
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35 static const cv::Scalar color[];
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37 static cv::Scalar black(void);
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38 static cv::Scalar red(void);
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39 static cv::Scalar green(void);
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40 static cv::Scalar blue(void);
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41 static cv::Scalar white(void);
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42 static cv::Scalar magenta(void);
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43 static cv::Scalar cyan(void);
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44 static cv::Scalar yellow(void);
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46 /** Maps integers to primary colors. */
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47 static cv::Scalar color3(const int& num);
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48 static cv::Scalar color8(const int& num);
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49 };
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51 #endif