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///////////////////////////////////////////////
//// Created by Khudyakov V.A. bober@gorodok.net
//////////////////////////////////////////////
#include "_cvaux.h"
#include "_cvfacedetection.h"
Face::Face(FaceTemplate * lpFaceTemplate)
{
//init number of face elements;
m_lFaceFeaturesNumber = lpFaceTemplate->GetCount();
//init array of numbers of foundet face elements of each type
m_lplFaceFeaturesCount = new long[m_lFaceFeaturesNumber];
memset(m_lplFaceFeaturesCount,0,m_lFaceFeaturesNumber*sizeof(long));
//init array of ideal face features
m_lpIdealFace = new FaceFeature[m_lFaceFeaturesNumber];
//init array of founded features
m_lppFoundedFaceFeatures = new FaceFeature*[m_lFaceFeaturesNumber];
for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
{
m_lppFoundedFaceFeatures[i] = (new FaceFeature[3*MAX_LAYERS]);
}
//set start weight 0
m_dWeight = 0;
}//Face::Face(FaceTemplate * lpFaceTemplate)
Face::~Face()
{
for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
{
delete [] (m_lppFoundedFaceFeatures[i]);
}
delete [] m_lppFoundedFaceFeatures;
delete [] m_lplFaceFeaturesCount;
delete [] m_lpIdealFace;
}//Face::~Face()
#define UP_SCALE 1
#define DOWN_SCALE 2
////////////
//class RFace(rect based face)
////////////
RFace::RFace(FaceTemplate * lpFaceTemplate):Face(lpFaceTemplate)
{
//init ideal face
FaceFeature * lpTmp = lpFaceTemplate->GetFeatures();
for (int j = 0;j < m_lFaceFeaturesNumber;j ++)
{
CvRect * lpTmpRect = NULL;
lpTmpRect = new CvRect;
*lpTmpRect = *(CvRect*)lpTmp[j].GetContour();
m_lpIdealFace[j].SetContour( lpTmpRect );
m_lpIdealFace[j].SetWeight( lpTmp[j].GetWeight() );
m_lpIdealFace[j].SetFeature( lpTmp[j].isFaceFeature() );
}
m_bIsGenerated = false;
}//RFace::RFace(FaceTemplate * lpFaceTemplate)
RFace::~RFace()
{
}//RFace::~RFace()
inline bool RFace::isPointInRect(CvPoint p,CvRect rect)
{
if ( (p.x >= rect.x) && (p.y >= rect.y) && (p.x <= rect.x + rect.width) && (p.y <= rect.y + rect.height) )
return true;
return false;
}//inline bool RFace::isPointInRect(CvPoint,CvRect rect)
double RFace::GetWeight()
{
return m_dWeight;
}//double RFace::GetWeight()
bool RFace::CheckElem(void * lpCandidat,void * lpIdeal)
{
CvRect IdealRect = *(CvRect*)lpIdeal;
CvRect Rect = *(CvRect*)lpCandidat;
if (Rect.height > Rect.width)
return false;
long SizeIdeal = IdealRect.width*IdealRect.height;
long Size = Rect.width*Rect.height;
if ( (Size > SizeIdeal) || ( Size < (SizeIdeal/5) ) )
return false;
// CvRect UpRect;
// CvRect DownRect;
// ResizeRect(IdealRect,&UpRect,UP_SCALE,7);
// ResizeRect(IdealRect,&DownRect,DOWN_SCALE,7);
long x = Rect.x + cvRound(Rect.width/2);
long y = Rect.y + cvRound(Rect.height/2);
if ( isPointInRect(cvPoint(x,y),IdealRect) )
return true;
// if ( isPointInRect(cvPoint(Rect.x,Rect.y),UpRect) &&
// isPointInRect(cvPoint(Rect.x + Rect.width,Rect.y + Rect.height),UpRect ) &&
// isPointInRect(cvPoint(DownRect.x,DownRect.y),Rect) &&
// isPointInRect(cvPoint(DownRect.x + DownRect.width,DownRect.y + DownRect.height),Rect) )
// return true;
// if ( isPointInRect(cvPoint(Rect.x,Rect.y),IdealRect) &&
// isPointInRect(cvPoint(Rect.x + Rect.width,Rect.y + Rect.height),IdealRect ) )
// return true;
return false;
}//inline bool RFace::CheckElem(CvRect rect)
void RFace::CalculateError(FaceData * lpFaceData)
{
CvRect LeftEyeRect = lpFaceData->LeftEyeRect;
CvRect RightEyeRect = lpFaceData->RightEyeRect;
CvRect MouthRect = lpFaceData->MouthRect;
long LeftSquare = LeftEyeRect.width*LeftEyeRect.height;
long RightSquare = RightEyeRect.width*RightEyeRect.height;
long dy = LeftEyeRect.y - RightEyeRect.y;
long dx1 = LeftEyeRect.x + LeftEyeRect.width/2 - MouthRect.x;
long dx2 = RightEyeRect.x + RightEyeRect.width/2 - MouthRect.x - MouthRect.width;
lpFaceData->Error = (double)(LeftSquare - RightSquare)*(double)(LeftSquare - RightSquare)/((double)(LeftSquare + RightSquare)*(LeftSquare + RightSquare)) +
(double)(dy*dy)/((double)(LeftEyeRect.height + RightEyeRect.height)*(LeftEyeRect.height + RightEyeRect.height)) +
(double)(dx1*dx1)/((double)MouthRect.width*MouthRect.width) +
(double)(dx2*dx2)/((double)MouthRect.width*MouthRect.width);
}//void RFace::CalculateError(FaceData * lpFaceData)
#define MAX_ERROR 0xFFFFFFFF
void RFace::CreateFace(void * lpData)
{
FaceData Data;
double Error = MAX_ERROR;
double CurError = MAX_ERROR;
FaceData * lpFaceData = (FaceData*)lpData;
int im = 0;//mouth was find
int jl = 0;//left eye was find
int kr = 0;//right eye was find
long MouthNumber = 0;
long LeftEyeNumber = 0;
long RightEyeNumber = 0;
for (int i = 0;i < m_lplFaceFeaturesCount[0] + 1;i ++)
{
if ( !m_lplFaceFeaturesCount[0] )
Data.MouthRect = *(CvRect*)m_lpIdealFace[0].GetContour();
else
{
if ( i != m_lplFaceFeaturesCount[0] )
Data.MouthRect = *(CvRect*)m_lppFoundedFaceFeatures[0][i].GetContour();
im = 1;
}
for (int j = 0;j < m_lplFaceFeaturesCount[1] + 1;j ++)
{
if ( !m_lplFaceFeaturesCount[1] )
Data.LeftEyeRect = *(CvRect*)m_lpIdealFace[1].GetContour();
else
{
if (j != m_lplFaceFeaturesCount[1] )
Data.LeftEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[1][j].GetContour();
jl = 1;
}
for (int k = 0;k < m_lplFaceFeaturesCount[2] + 1;k ++)
{
if ( !m_lplFaceFeaturesCount[2] )
Data.RightEyeRect = *(CvRect*)m_lpIdealFace[2].GetContour();
else
{
if (k != m_lplFaceFeaturesCount[2] )
Data.RightEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[2][k].GetContour();
kr = 1;
}
CalculateError(&Data);
if ( (im + jl + kr) )
{
Error = Data.Error/(im + jl + kr);
}else
Error = MAX_ERROR;
if (CurError > Error)
{
CurError = Error;
MouthNumber = i;
LeftEyeNumber = j;
RightEyeNumber = k;
}
}
}
}
if ( m_lplFaceFeaturesCount[0] )
lpFaceData->MouthRect = *(CvRect*)m_lppFoundedFaceFeatures[0][MouthNumber].GetContour();
else
lpFaceData->MouthRect = *(CvRect*)m_lpIdealFace[0].GetContour();
if ( m_lplFaceFeaturesCount[1] )
lpFaceData->LeftEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[1][LeftEyeNumber].GetContour();
else
lpFaceData->LeftEyeRect = *(CvRect*)m_lpIdealFace[1].GetContour();
if ( m_lplFaceFeaturesCount[2] )
lpFaceData->RightEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[2][RightEyeNumber].GetContour();
else
lpFaceData->RightEyeRect = *(CvRect*)m_lpIdealFace[2].GetContour();
lpFaceData->Error = CurError;
}//void * RFace::CreateFace()
void RFace::Show(IplImage * Image)
{
for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
{
if (m_lplFaceFeaturesCount[i])
{
for (int j = 0;j < m_lplFaceFeaturesCount[i];j ++)
{
CvRect rect = *(CvRect*)m_lppFoundedFaceFeatures[i][j].GetContour();
CvPoint p1 = cvPoint(rect.x,rect.y);
CvPoint p2 = cvPoint(rect.x + rect.width,rect.y + rect.height);
cvRectangle(Image,p1,p2,CV_RGB(255,0,0),1);
}
}
}
}//void RFace::Show(IplImage * Image)
void RFace::ShowIdeal(IplImage* Image)
{
for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
{
CvRect Rect = *(CvRect*)m_lpIdealFace[i].GetContour();
CvPoint p1 = cvPoint(Rect.x,Rect.y);
CvPoint p2 = cvPoint(Rect.x + Rect.width,Rect.y + Rect.height);
cvRectangle(Image,p1,p2,CV_RGB(0,0,255),1);
}
}//void RFace::ShowIdeal(IplImage* Image)
inline void RFace::ResizeRect(CvRect Rect,CvRect * lpRect,long lDir,long lD)
{
if (lDir == UP_SCALE)
{
lpRect->x = Rect.x - lD;
lpRect->y = Rect.y - lD;
lpRect->width = Rect.width + 2*lD;
lpRect->height = Rect.height + 2*lD;
}
if (lDir == DOWN_SCALE)
{
lpRect->x = Rect.x + lD;
lpRect->y = Rect.y + lD;
if (Rect.width - 2*lD >= 0)
{
lpRect->width = Rect.width - 2*lD;
}else
lpRect->width = 0;
if (Rect.height - 2*lD >= 0)
{
lpRect->height = Rect.height - 2*lD;
}else
lpRect->height = 0;
}
}// inline void RFace::ResizeRect(CvRect * lpRect,long lDir,long lD)