94 void FaceDetection::FindContours(IplImage* imgGray)  in FindContours()  argument
96     ReallocImage(&m_imgThresh, cvGetSize(imgGray), 1);  in FindContours()
102     ThresholdingParam(imgGray, iNumLayers, iMinLevel, iMaxLevel, iStep);  in FindContours()
120         cvThreshold(imgGray, m_imgThresh, (double)l, (double)255, CV_THRESH_BINARY);  in FindContours()
132 void FaceDetection::ThresholdingParam(IplImage *imgGray, int iNumLayers, int &iMinLevel, int &iMaxL…  in ThresholdingParam()  argument
134     assert(imgGray != NULL);  in ThresholdingParam()
135     assert(imgGray->nChannels == 1);  in ThresholdingParam()
138     uchar* buffImg = (uchar*)imgGray->imageData;  in ThresholdingParam()
141     for (j = 0; j < imgGray->height; j ++)  in ThresholdingParam()
143         for (i = 0; i < imgGray->width; i ++)  in ThresholdingParam()
148         buffImg += imgGray->widthStep;  in ThresholdingParam()