/////////////////////////////////////////////////////////////////////////////////////
public faceDetection facedetection(Mat image, CascadeClassifier cascade)
{
faceDetection face = new faceDetection();
Mat tmp = new Mat();
image.CopyTo(tmp);
Mat grayImage = new Mat();
List <Rectangle> faces = new List <Rectangle>();
CvInvoke.CvtColor(tmp, grayImage, ColorConversion.Bgr2Gray);
CvInvoke.EqualizeHist(grayImage, grayImage); // 均衡化
Rectangle[] facedetected = cascade.DetectMultiScale(grayImage, 1.1, 3, new Size(80, 80));
faces.AddRange(facedetected);
int rect_x, rect_y, rect_width, rect_height;
if (faces.Count > 0)
{
rect_x = faces[0].X;
rect_y = faces[0].Y;
rect_width = faces[0].Width;
rect_height = faces[0].Height;
CvInvoke.Rectangle(tmp, faces[0], new Bgr(Color.Red).MCvScalar, 1);
face.faceRoi = new Mat(image, faces[0]);
face.coor_x = rect_x;
face.coor_y = rect_y;
face.srcImage = tmp;
face.FLAG = true;
return(face);
}
else
{
face.srcImage = tmp;
face.FLAG = false;
return(face);
}
}
public Mat process(Mat image, bool flag)
{
// 人脸检测 START...
flag = glassCheckBox.Checked ? false : true;
faceDetection face = new faceDetection();
face = facedetection(image, cascadeFace);
faceFLAG = face.FLAG;
faceRectImage = face.srcImage;
faceROI = face.faceRoi;
coor_x = face.coor_x;
coor_y = face.coor_y;
// 人脸检测 END...
// 眼睛检测 START...
if (faceFLAG)
{
if (flag) // 不戴眼镜
{
eyeDetection eye = eyedetection(faceROI, cascadeEye, faceRectImage, coor_x, coor_y);
resShowImage = eye.faceImage;
eyeROI = eye.eyeRoi;
eyeFLAG = eye.FLAG;
}
else // 戴眼镜
{
eyeDetection eye = eyedetection(faceROI, cascadeEyeWithGlasses, faceRectImage, coor_x, coor_y);
resShowImage = eye.faceImage;
eyeROI = eye.eyeRoi;
eyeFLAG = eye.FLAG;
}
// 眼睛检测 END...
// 椭圆拟合 START...
if (eyeFLAG) // 检测到眼睛
{
CvInvoke.Resize(eyeROI, eyeROI, new Size(24, 24));
EllipseEye e = eyeEllipse(eyeROI);
if (e.FLAG) // 椭圆拟合完成
{
eyeOpenDegree = e.width / e.height;
if (eye.Count == 20)
{
//eye.ToArray();
eye.Reverse();
eye.RemoveAt(19);
eye.Reverse();
}
eye.Add(eyeOpenDegree);
}
else // 椭圆拟合未完成
{
eyeOpenDegree = 0.1F;
if (eye.Count == 20)
{
//eye.ToArray();
eye.Reverse();
eye.RemoveAt(19);
eye.Reverse();
}
eye.Add(eyeOpenDegree);
}
}
else // 未检测到眼睛
{
eyeOpenDegree = 0.1F;
if (eye.Count == 20)
{
//eye.ToArray();
eye.Reverse();
eye.RemoveAt(19);
eye.Reverse();
}
eye.Add(eyeOpenDegree);
}
}
else // 未检测到人脸
{
nHeadPosture++;
}
return(resShowImage);
}
