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/****************************************************************************
* *
* PrimeSense Sensor 5.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of PrimeSense Sensor. *
* *
* PrimeSense Sensor is free software: you can redistribute it and/or modify*
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* PrimeSense Sensor is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with PrimeSense Sensor. If not, see <http://www.gnu.org/licenses/>.*
* *
****************************************************************************/
#ifndef _XNV_HUMAN_STRETCH_H_
#define _XNV_HUMAN_STRETCH_H_
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include "XnVRealObject.h"
#include "XnVExtremes.h"
//---------------------------------------------------------------------------
// Types
//---------------------------------------------------------------------------
/**
* This algorithm receives a XnVRealObject and a dividing XnVPoint,
* and generates XnVExtremes object.
* It uses the XnVRealObject's internal XnVDepthMap, and finds
* maximum and minimum values of all axis in each quadrant defined by the dividng point.
* This means the output XnVExtremes object holds a total of 16 points:
* For each of the 4 quadrants created by the dividing point, an extreme x value,
* an extreme y value and 2 extreme z values are found.
*/
class XN_EE_FW_API XnVHumanStretch
{
public:
XnVHumanStretch();
/**
* Assuming the input is a human, find extremes which should represent hands and feet.
*
* @param [in] roObject The Real Object to run on
* @param [in] ptDivider Point by which to divide frame into quadrants.
* @param [out] exExtremes The extremeties found
*/
XnStatus Run(const XnVRealObject& roObject, const XnVPoint& ptDivider, XnVExtremes& exExtremes);
/**
* Get separate status for each extremity. This is relevant when Run() returned a value different than XN_STATUS_OK.
*
*/
XnStatus GetTopLeftStatus() const;
XnStatus GetTopRightStatus() const;
XnStatus GetBottomLeftStatus() const;
XnStatus GetBottomRightStatus() const;
protected:
XnStatus GetCandidates(const XnVDepthMap& dmObject, const XnVPoint& ptDivider,
XnVPoint& ptXLeft, XnVPoint& ptYLeft, XnVPoint& ptZLeftFront, XnVPoint& ptZLeftBack,
XnVPoint& ptXRight, XnVPoint& ptYRight, XnVPoint& ptZRightFront, XnVPoint& ptZRightBack,
XnInt32 nYStart, XnInt32 nYEnd, XnInt32 nMultFactor, XnInt32 nAddFactor);
bool CheckRelevance(const XnVDepthMap& dmMap, XnUInt16 nX, XnUInt16 nY) const;
XnUInt16 m_nXFromMiddle;
XnUInt16 m_nBoxSide;
XnUInt32 m_nBoxThreshold;
enum
{
XN_HS_TOP_LEFT,
XN_HS_TOP_RIGHT,
XN_HS_BOTTOM_LEFT,
XN_HS_BOTTOM_RIGHT,
};
XnStatus m_SpecificStatus[4];
XnBool m_bTop;
};
#endif //_XNV_HUMAN_STRETCH_H_
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