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  41 ///////////////////////////////////////////////
  42 //// Created by Khudyakov V.A. bober@gorodok.net
  43 //////////////////////////////////////////////
  44
  45 #include "_cvaux.h"
  46 #include "_cvfacedetection.h"
  47
  48 Face::Face(FaceTemplate * lpFaceTemplate)
  49 {
  50     //init number of face elements;
  51     m_lFaceFeaturesNumber = lpFaceTemplate->GetCount();
  52
  53     //init array of numbers of foundet face elements of each type
  54     m_lplFaceFeaturesCount = new long[m_lFaceFeaturesNumber];
  55     memset(m_lplFaceFeaturesCount,0,m_lFaceFeaturesNumber*sizeof(long));
  56
  57     //init array of ideal face features
  58     m_lpIdealFace = new FaceFeature[m_lFaceFeaturesNumber];
  59
  60     //init array of founded features
  61     m_lppFoundedFaceFeatures = new FaceFeature*[m_lFaceFeaturesNumber];
  62
  63     for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
  64     {
  65         m_lppFoundedFaceFeatures[i] = (new FaceFeature[3*MAX_LAYERS]);
  66     }
  67
  68     //set start weight 0
  69     m_dWeight = 0;
  70
  71 }//Face::Face(FaceTemplate * lpFaceTemplate)
  72
  73 Face::~Face()
  74 {
  75     for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
  76     {
  77         delete [] (m_lppFoundedFaceFeatures[i]);
  78     }
  79     delete [] m_lppFoundedFaceFeatures;
  80
  81
  82     delete [] m_lplFaceFeaturesCount;
  83     delete [] m_lpIdealFace;
  84
  85 }//Face::~Face()
  86
  87
  88 #define UP_SCALE    1
  89 #define DOWN_SCALE  2
  90
  91
  92 ////////////
  93 //class RFace(rect based face)
  94 ////////////
  95 RFace::RFace(FaceTemplate * lpFaceTemplate):Face(lpFaceTemplate)
  96 {
  97     //init ideal face
  98     FaceFeature * lpTmp = lpFaceTemplate->GetFeatures();
  99
 100     for (int j = 0;j < m_lFaceFeaturesNumber;j ++)
 101     {
 102         CvRect * lpTmpRect = NULL;
 103         lpTmpRect = new CvRect;
 104         *lpTmpRect = *(CvRect*)lpTmp[j].GetContour();
 105
 106         m_lpIdealFace[j].SetContour( lpTmpRect );
 107         m_lpIdealFace[j].SetWeight( lpTmp[j].GetWeight() );
 108         m_lpIdealFace[j].SetFeature( lpTmp[j].isFaceFeature() );
 109
 110     }
 111
 112     m_bIsGenerated = false;
 113 }//RFace::RFace(FaceTemplate * lpFaceTemplate)
 114
 115 RFace::~RFace()
 116 {
 117
 118 }//RFace::~RFace()
 119
 120 inline bool RFace::isPointInRect(CvPoint p,CvRect rect)
 121 {
 122     if ( (p.x >= rect.x) && (p.y >= rect.y) && (p.x <= rect.x + rect.width) && (p.y <= rect.y + rect.height) )
 123         return true;
 124
 125     return false;
 126 }//inline bool RFace::isPointInRect(CvPoint,CvRect rect)
 127
 128 double RFace::GetWeight()
 129 {
 130     return m_dWeight;
 131 }//double RFace::GetWeight()
 132
 133
 134 bool RFace::CheckElem(void * lpCandidat,void * lpIdeal)
 135 {
 136
 137     CvRect IdealRect = *(CvRect*)lpIdeal;
 138     CvRect Rect = *(CvRect*)lpCandidat;
 139
 140     if (Rect.height > Rect.width)
 141         return false;
 142
 143     long SizeIdeal = IdealRect.width*IdealRect.height;
 144     long Size = Rect.width*Rect.height;
 145
 146     if ( (Size > SizeIdeal) || ( Size < (SizeIdeal/5) ) )
 147         return false;
 148
 149 //  CvRect UpRect;
 150 //  CvRect DownRect;
 151 //  ResizeRect(IdealRect,&UpRect,UP_SCALE,7);
 152 //  ResizeRect(IdealRect,&DownRect,DOWN_SCALE,7);
 153
 154     long x = Rect.x + cvRound(Rect.width/2);
 155     long y = Rect.y + cvRound(Rect.height/2);
 156
 157     if ( isPointInRect(cvPoint(x,y),IdealRect) )
 158         return true;
 159
 160 //  if ( isPointInRect(cvPoint(Rect.x,Rect.y),UpRect) &&
 161 //       isPointInRect(cvPoint(Rect.x + Rect.width,Rect.y + Rect.height),UpRect ) &&
 162 //       isPointInRect(cvPoint(DownRect.x,DownRect.y),Rect) &&
 163 //       isPointInRect(cvPoint(DownRect.x + DownRect.width,DownRect.y + DownRect.height),Rect) )
 164 //      return true;
 165
 166
 167 //  if ( isPointInRect(cvPoint(Rect.x,Rect.y),IdealRect) &&
 168 //       isPointInRect(cvPoint(Rect.x + Rect.width,Rect.y + Rect.height),IdealRect ) )
 169 //      return true;
 170
 171     return false;
 172 }//inline bool RFace::CheckElem(CvRect rect)
 173
 174
 175
 176 void RFace::CalculateError(FaceData * lpFaceData)
 177 {
 178     CvRect LeftEyeRect = lpFaceData->LeftEyeRect;
 179     CvRect RightEyeRect = lpFaceData->RightEyeRect;
 180     CvRect MouthRect = lpFaceData->MouthRect;
 181
 182     long LeftSquare = LeftEyeRect.width*LeftEyeRect.height;
 183     long RightSquare = RightEyeRect.width*RightEyeRect.height;
 184
 185     long dy = LeftEyeRect.y - RightEyeRect.y;
 186
 187     long dx1 = LeftEyeRect.x + LeftEyeRect.width/2 - MouthRect.x;
 188     long dx2 = RightEyeRect.x + RightEyeRect.width/2 - MouthRect.x - MouthRect.width;
 189
 190
 191     lpFaceData->Error = (double)(LeftSquare - RightSquare)*(double)(LeftSquare - RightSquare)/((double)(LeftSquare + RightSquare)*(LeftSquare + RightSquare)) +
 192                         (double)(dy*dy)/((double)(LeftEyeRect.height + RightEyeRect.height)*(LeftEyeRect.height + RightEyeRect.height)) +
 193                         (double)(dx1*dx1)/((double)MouthRect.width*MouthRect.width) +
 194                         (double)(dx2*dx2)/((double)MouthRect.width*MouthRect.width);
 195
 196 }//void RFace::CalculateError(FaceData * lpFaceData)
 197
 198 #define MAX_ERROR 0xFFFFFFFF
 199
 200 void  RFace::CreateFace(void * lpData)
 201 {
 202     FaceData Data;
 203
 204     double Error = MAX_ERROR;
 205     double CurError = MAX_ERROR;
 206
 207     FaceData * lpFaceData = (FaceData*)lpData;
 208
 209     int im = 0;//mouth was find
 210     int jl = 0;//left eye was find
 211     int kr = 0;//right eye was find
 212
 213     long MouthNumber = 0;
 214     long LeftEyeNumber = 0;
 215     long RightEyeNumber = 0;
 216
 217     for (int i = 0;i < m_lplFaceFeaturesCount[0] + 1;i ++)
 218     {
 219
 220         if ( !m_lplFaceFeaturesCount[0] )
 221             Data.MouthRect = *(CvRect*)m_lpIdealFace[0].GetContour();
 222         else
 223         {
 224             if ( i != m_lplFaceFeaturesCount[0] )
 225                 Data.MouthRect = *(CvRect*)m_lppFoundedFaceFeatures[0][i].GetContour();
 226             im = 1;
 227         }
 228
 229
 230         for (int j = 0;j < m_lplFaceFeaturesCount[1] + 1;j ++)
 231         {
 232
 233             if ( !m_lplFaceFeaturesCount[1] )
 234                 Data.LeftEyeRect = *(CvRect*)m_lpIdealFace[1].GetContour();
 235             else
 236             {
 237                 if (j != m_lplFaceFeaturesCount[1] )
 238                     Data.LeftEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[1][j].GetContour();
 239                 jl = 1;
 240             }
 241
 242
 243             for (int k = 0;k < m_lplFaceFeaturesCount[2] + 1;k ++)
 244             {
 245
 246                 if ( !m_lplFaceFeaturesCount[2] )
 247                     Data.RightEyeRect = *(CvRect*)m_lpIdealFace[2].GetContour();
 248                 else
 249                 {
 250                     if (k != m_lplFaceFeaturesCount[2] )
 251                         Data.RightEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[2][k].GetContour();
 252                     kr = 1;
 253                 }
 254
 255                 CalculateError(&Data);
 256
 257                 if ( (im + jl + kr) )
 258                 {
 259                     Error = Data.Error/(im + jl + kr);
 260                 }else
 261                     Error = MAX_ERROR;
 262
 263                 if (CurError > Error)
 264                 {
 265                     CurError = Error;
 266                     MouthNumber = i;
 267                     LeftEyeNumber = j;
 268                     RightEyeNumber = k;
 269                 }
 270
 271             }
 272
 273
 274         }
 275
 276     }
 277
 278     if ( m_lplFaceFeaturesCount[0] )
 279         lpFaceData->MouthRect = *(CvRect*)m_lppFoundedFaceFeatures[0][MouthNumber].GetContour();
 280     else
 281         lpFaceData->MouthRect = *(CvRect*)m_lpIdealFace[0].GetContour();
 282
 283     if ( m_lplFaceFeaturesCount[1] )
 284         lpFaceData->LeftEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[1][LeftEyeNumber].GetContour();
 285     else
 286         lpFaceData->LeftEyeRect = *(CvRect*)m_lpIdealFace[1].GetContour();
 287
 288     if ( m_lplFaceFeaturesCount[2] )
 289         lpFaceData->RightEyeRect = *(CvRect*)m_lppFoundedFaceFeatures[2][RightEyeNumber].GetContour();
 290     else
 291         lpFaceData->RightEyeRect = *(CvRect*)m_lpIdealFace[2].GetContour();
 292
 293     lpFaceData->Error = CurError;
 294
 295 }//void * RFace::CreateFace()
 296
 297 void RFace::Show(IplImage * Image)
 298 {
 299     for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
 300     {
 301         if (m_lplFaceFeaturesCount[i])
 302         {
 303             for (int j = 0;j < m_lplFaceFeaturesCount[i];j ++)
 304             {
 305                 CvRect rect = *(CvRect*)m_lppFoundedFaceFeatures[i][j].GetContour();
 306                 CvPoint p1 = cvPoint(rect.x,rect.y);
 307                 CvPoint p2 = cvPoint(rect.x + rect.width,rect.y + rect.height);
 308                 cvRectangle(Image,p1,p2,CV_RGB(255,0,0),1);
 309             }
 310         }
 311     }
 312
 313 }//void RFace::Show(IplImage * Image)
 314
 315 void RFace::ShowIdeal(IplImage* Image)
 316 {
 317     for (int i = 0;i < m_lFaceFeaturesNumber;i ++)
 318     {
 319         CvRect Rect = *(CvRect*)m_lpIdealFace[i].GetContour();
 320         CvPoint p1 = cvPoint(Rect.x,Rect.y);
 321         CvPoint p2 = cvPoint(Rect.x + Rect.width,Rect.y + Rect.height);
 322         cvRectangle(Image,p1,p2,CV_RGB(0,0,255),1);
 323     }
 324 }//void RFace::ShowIdeal(IplImage* Image)
 325
 326
 327 inline void RFace::ResizeRect(CvRect Rect,CvRect * lpRect,long lDir,long lD)
 328 {
 329     if (lDir == UP_SCALE)
 330     {
 331         lpRect->x = Rect.x - lD;
 332         lpRect->y = Rect.y - lD;
 333         lpRect->width = Rect.width + 2*lD;
 334         lpRect->height = Rect.height + 2*lD;
 335     }
 336     if (lDir == DOWN_SCALE)
 337     {
 338         lpRect->x = Rect.x + lD;
 339         lpRect->y = Rect.y + lD;
 340         if (Rect.width - 2*lD >= 0)
 341         {
 342             lpRect->width = Rect.width - 2*lD;
 343         }else
 344             lpRect->width = 0;
 345
 346         if (Rect.height - 2*lD >= 0)
 347         {
 348             lpRect->height = Rect.height - 2*lD;
 349         }else
 350             lpRect->height = 0;
 351     }
 352
 353 }// inline void RFace::ResizeRect(CvRect * lpRect,long lDir,long lD)
 354