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1 | /*!
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2 | * \file OpticalFlowSpeed.h
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3 | * \brief Optical flow speed calculation
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4 | * \author Guillaume Sanahuja, Copyright Heudiasyc UMR UTC/CNRS 7253
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5 | * \date 2012/04/12
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6 | * \version 4.0
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7 | */
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8 |
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9 |
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10 | #ifndef OPTICALFLOWSPEED_H
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11 | #define OPTICALFLOWSPEED_H
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12 |
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13 | #include <IODevice.h>
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14 |
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15 | namespace flair
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16 | {
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17 | namespace core
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18 | {
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19 | class cvmatrix;
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20 | }
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21 | }
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22 |
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23 | namespace flair
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24 | {
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25 | namespace filter
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26 | {
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27 | class OpticalFlow;
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28 |
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29 | /*! \class OpticalFlowSpeed
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30 | *
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31 | * \brief Optical flow speed calculation
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32 | *
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33 | * Speed is the mean of all optical flow values divided by the delta time between images.
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34 | */
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35 | class OpticalFlowSpeed : public core::IODevice
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36 | {
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37 | public:
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38 | /*!
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39 | * \brief Constructor
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40 | *
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41 | * Construct OpticalFlowSpeed.
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42 | *
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43 | * \param parent parent
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44 | * \param name name
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45 | */
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46 | OpticalFlowSpeed(const core::IODevice* parent,std::string name);
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47 |
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48 | /*!
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49 | * \brief Destructor
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50 | *
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51 | */
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52 | ~OpticalFlowSpeed();
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53 |
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54 | /*!
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55 | * \brief Speed along x axis
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56 | *
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57 | */
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58 | float Vx(void) const;
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59 |
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60 | /*!
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61 | * \brief Speed along y axis
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62 | *
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63 | */
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64 | float Vy(void) const;
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65 |
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66 | /*!
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67 | * \brief Output matrix
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68 | *
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69 | * Matrix is of size (2,1). \n
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70 | * First line is speed along x axis. \n
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71 | * Second line is speed along y axis. \n
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72 | */
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73 | core::cvmatrix *Output() const;
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74 |
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75 | private:
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76 | /*!
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77 | * \brief Update using provided datas
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78 | *
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79 | * Reimplemented from IODevice.
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80 | *
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81 | * \param data data from the parent to process
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82 | */
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83 | void UpdateFrom(const core::io_data *data);
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84 |
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85 | core::cvmatrix *output;
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86 | };
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87 | } // end namespace filter
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88 | } // end namespace flair
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89 | #endif // OPTICALFLOWSPEED_H
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