/// <summary>人脸检测</summary>
public Bitmap FaceVerify(Bitmap bmpImage)
{
try
{
using (var currentFrame = new Image <Bgr, Byte>(bmpImage))
{
//只能这么转
invert = new Mat();
CvInvoke.BitwiseAnd(currentFrame, currentFrame, invert);
int c = 0;
_rf = new RrFaceT();
_w = invert.Width; _h = invert.Height;
_itData = invert.DataPointer;
var lp = new IntPtr();
IntPtr it = FaceverifyDll.rr_fd_detect(_ip, _itData, RrImageType.RR_IMAGE_BGR8UC3, _w, _h, ref lp, ref c);
if (it.ToInt32() != 0)
{
return(bmpImage);
}
if (c > 0)
{
_rf = (RrFaceT)Marshal.PtrToStructure(lp, typeof(RrFaceT));
Rrface = _rf;
}
FaceverifyDll.rr_fd_release_detect_result(lp);
}
}
catch (Exception ex)
{
ex.ToSaveLog("FaceData.FaceVerify:");
}
return(bmpImage);
}
public static Bitmap DrawRectangleInPicture(Bitmap bmp, RrFaceT rf, Color rectColor, int lineWidth, float faceIr = 0f)
{
try
{
if (bmp == null)
{
return(null);
}
using (Graphics g = Graphics.FromImage(bmp))
{
Brush brush = new SolidBrush(rectColor);
var pen = new Pen(brush, lineWidth);
int with = rf.rect.right - rf.rect.left;
int heigth = rf.rect.bottom - rf.rect.top;
var face = new Rectangle(rf.rect.left, rf.rect.top, with, heigth);
g.DrawRectangle(pen, face);
var text = string.Format("信值：{0}", Math.Round(faceIr * 100f, 2));
var myFont = new Font("微软雅黑", 10);
g.DrawString(text, myFont, brush, face.Left, face.Top - 20);
}
}
catch (Exception ex)
{
ex.ToSaveLog("DrawRectangleInPicture:");
}
return(bmp);
}
/// <summary>人脸检测</summary>
public Bitmap FaceVerify(Mat mat)
{
if (mat == null)
{
return(null);
}
try
{
int c = 0;
_rf = new RrFaceT();
_w = mat.Width; _h = mat.Height;
_itData = mat.DataPointer;
var lp = new IntPtr();
"人脸检测句柄分析".ToSaveLog("FaceVerify:");
IntPtr it = FaceverifyDll.rr_fd_detect(_ip, _itData, RrImageType.RR_IMAGE_BGR8UC3, _w, _h, ref lp, ref c);
if (it.ToInt32() == 0)
{
if (c > 0)
{
_rf = (RrFaceT)Marshal.PtrToStructure(lp, typeof(RrFaceT));
Rrface = _rf;
#region 给识别出的所有人脸画矩形框
//int with = _rf.rect.right - _rf.rect.left;
//int heigth = _rf.rect.bottom - _rf.rect.top;
//var face = new Rectangle(_rf.rect.left, _rf.rect.top, with, heigth);
//Bitmap bm = FaceFun.DrawRectangleInPicture(mat.Bitmap, face, Color.Red, 2);
//"释放人脸检测句柄".ToSaveLog("FaceVerify:");
//FaceverifyDll.rr_fd_release_detect_result(lp);
//return bm;
#endregion
}
else
{
return(null);
}
}
"释放人脸检测句柄.".ToSaveLog("FaceVerify");
FaceverifyDll.rr_fd_release_detect_result(lp);
}
catch (Exception ex)
{
ex.ToSaveLog("FaceData.FaceVerify:");
}
return(mat.Bitmap);
}
