source: QMUL/distanceCheck.h @ 6

/* 
AUTHOR: Ginevra Castellano
Queen Mary University of London
DATE: 03/2009
VERSION: 1.0
*/

#ifndef _DISTANCE_CHECK
#define _DISTANCE_CHECK


#include <vector>

enum MovementType {
        
        UNDEFINED = 0,
        STAYING_STILL = 1,
        APPROACHING = 2,
        WITHDRAWING = 3
};

class DistanceCheck
{
        public:
        DistanceCheck(int windowSize);
        ~DistanceCheck();

        double getAverageVal(int startValIndex, int endValIndex); // Calculate the average of the areas of the face bounding box
        double getAverageValInWindow(void);     // Calculate the average of the areas of the face bounding box in a temporal window
        int getMovementType(void);         // Detect the type of movement 

        void addFaceVal(int val);  // Store the values of the area of the face bounding box in a vector
        void setFaceVal(int index, int val);   // Set a specific value for the area of the face bounding box

        int getNumElements(void);  // Get the number of element in a vector

        private:
                
                int windowSize;
                std::vector<int> faceAreaVals;
};

#endif