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annotate include/cvutils.hpp @ 141:6f10a227486c
modifications to get nframes option working on the command line
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Wed, 24 Aug 2011 01:34:27 -0400 |
parents | 47329bd16cc0 |
children | b32947b002da |
rev | line source |
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9 | 1 #ifndef CVUTILS_HPP |
2 #define CVUTILS_HPP | |
3 | |
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4 #include "opencv2/core/core.hpp" |
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5 #include "opencv2/features2d/features2d.hpp" |
9 | 6 |
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7 class CvCapture; |
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8 //template<typename T> class Point_<T>; |
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9 |
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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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12 |
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13 template<typename T> |
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14 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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15 |
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16 void keyPoints2Points(const std::vector<cv::KeyPoint>& kpts, std::vector<cv::Point2f>& pts, const bool& clearPts = true); |
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17 |
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18 /** Allocates a new IplImage. */ |
9 | 19 IplImage* allocateImage(const int& width, const int& height, const int& depth, const int& channels); |
20 | |
21 IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels); | |
22 | |
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23 /** Goes to the target frame number, by querying frame, |
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24 supposing the video input is currently at current frame number. |
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25 Returns the frame number that was reached.*/ |
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26 int goToFrameNum(CvCapture* inputVideo, const int& currentFrameNum, const int& targetFrameNum); |
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27 |
131 | 28 /// Pre-defined colors |
29 class Colors { | |
30 public: | |
31 static const int nColors = 8; | |
32 static const cv::Scalar color[]; | |
33 | |
34 static cv::Scalar black(void); | |
35 static cv::Scalar red(void); | |
36 static cv::Scalar green(void); | |
37 static cv::Scalar blue(void); | |
38 static cv::Scalar white(void); | |
39 static cv::Scalar magenta(void); | |
40 static cv::Scalar cyan(void); | |
41 static cv::Scalar yellow(void); | |
42 | |
43 /** Maps integers to primary colors. */ | |
44 static cv::Scalar color3(const int& num); | |
45 static cv::Scalar color8(const int& num); | |
46 }; | |
47 | |
9 | 48 #endif |