private void ImageGrabbedProcess(object sender, EventArgs arg)
{
Mat mat = new Mat();
DateTime now = DateTime.Now;
capture.Retrieve(mat); // 捕获摄像头图片
bitmap = mat.Bitmap;
detectandextractfeature = detectAndExtractFeature(bitmap, pictureBox0, true, false, false);
if (detectandextractfeature.faceflag && addflag)
{
pictureBox0.Image = null;
facelibrary = new FaceLibrary();
facelibrary.face_name = textBox1.Text.Trim();
detectandextractfeature = detectAndExtractFeature(bitmap, pictureBox0, false, true, true);
facelibrary.face_Feature = detectandextractfeature.face_Feature;
if (currentfacenum > -1) //覆盖当前人脸信息
{
listface[currentfacenum] = facelibrary;
}
else
{
listface.Add(facelibrary);
}
addflag = false;
currentfacenum = -1;
string listfacestr = JsonListToString(listface);
FileWrite("facelibrary", listfacestr);
MessageBox.Show("人脸注册成功!");
}
else
{
if (addflag)
{
MessageBox.Show("未检测到人脸，人脸注册失败!");
addflag = false;
}
}
if (detectandextractfeature.faceflag && checkflag)
{
detectandextractfeature = detectAndExtractFeature(bitmap, pictureBox0, false, false, true);
float similar = 0.0f;
int num = -1;
for (int i = 0; i < listface.Count; i++)
{
float facesimilar = recogitionAndFacePairMatching(listface[i].face_Feature, detectandextractfeature.face_Feature);
Console.WriteLine("编号： " + i + "-------" + " 人脸姓名： " + listface[i].face_name + "-------" + " 相似度： " + facesimilar);
if (facesimilar > similar)
{
similar = facesimilar;
num = i;
}
}
if (similar > changecheckvalue)
{
setControlText(label1, "识别结果： " + listface[num].face_name);
}
else
{
setControlText(label1, "识别结果： " + "无此人");
}
}
else
{
if (checkflag)
{
setControlText(label1, "识别结果： " + "未检测到人脸");
}
}
// 设置显示图片
imageBox0.Image = mat;
detectandextractfeature = new DetectAndExtractFeature();
}
//检测人脸、提取特征
private DetectAndExtractFeature detectAndExtractFeature(Image imageParam, PictureBox picbox, bool drawrectangleflag, bool cutpicboxflag, bool detectandextractflag)
{
DetectAndExtractFeature currentdetectandextractfeature = new DetectAndExtractFeature();
Byte[] feature = null;
try
{
Console.WriteLine();
Console.WriteLine("############### Face Detect Start #########################");
int width = 0;
int height = 0;
int pitch = 0;
Bitmap bitmap = new Bitmap(imageParam);
byte[] imageData = ArcSoft_FACE_API.FSDK_FACE_SHARE.ReadBmpToByte(bitmap, ref width, ref height, ref pitch);
IntPtr imageDataPtr = Marshal.AllocHGlobal(imageData.Length);
Marshal.Copy(imageData, 0, imageDataPtr, imageData.Length);
//Marshal.StructureToPtr(imageData, imageDataPtr, false);
ArcSoft_FACE_API.FSDK_FACE_SHARE.ASVLOFFSCREEN offInput = new ArcSoft_FACE_API.FSDK_FACE_SHARE.ASVLOFFSCREEN();
offInput.u32PixelArrayFormat = 513;
offInput.ppu8Plane = new IntPtr[4];
offInput.ppu8Plane[0] = imageDataPtr;
offInput.i32Width = width;
offInput.i32Height = height;
offInput.pi32Pitch = new int[4];
offInput.pi32Pitch[0] = pitch;
IntPtr offInputPtr = Marshal.AllocHGlobal(Marshal.SizeOf(offInput));
Marshal.StructureToPtr(offInput, offInputPtr, false);
ArcSoft_FACE_API.FSDK_FACE_DETECTION.AFD_FSDK_FACERES faceRes = new ArcSoft_FACE_API.FSDK_FACE_DETECTION.AFD_FSDK_FACERES();
IntPtr faceResPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceRes));
Console.WriteLine("StartTime:{0}", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"));
Stopwatch watchTime = new Stopwatch();
watchTime.Start();
//人脸检测
int detectResult = ArcSoft_FACE_API.FSDK_FACE_DETECTION.AFD_FSDK_StillImageFaceDetection(
ArcSoft_FACE_API.FSDK_FACE_SHARE.detectEngine,
offInputPtr,
ref faceResPtr
);
watchTime.Stop();
Console.WriteLine(String.Format("检测耗时:{0}ms", watchTime.ElapsedMilliseconds));
faceRes = (ArcSoft_FACE_API.FSDK_FACE_DETECTION.AFD_FSDK_FACERES)Marshal.PtrToStructure(faceResPtr, typeof(ArcSoft_FACE_API.FSDK_FACE_DETECTION.AFD_FSDK_FACERES));
ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT[] rectArr = new ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT[faceRes.nFace];
for (int j = 0; j < rectArr.Length; j++)
{
rectArr[j] = (ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT)Marshal.PtrToStructure(faceRes.rcFace + Marshal.SizeOf(typeof(ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT)) * j, typeof(ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT));
}
if (drawrectangleflag)
{
imageParam = ArcSoft_FACE_API.FSDK_FACE_SHARE.DrawRectangleInPicture2(imageParam, rectArr, Color.Red, 3, DashStyle.Dash);
}
else
{
if (rectArr.Length > 0)
{
for (int j = 0; j < rectArr.Length; j++)
{
ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT rect = rectArr[0];
Image imgResult = ArcSoft_FACE_API.FSDK_FACE_SHARE.CutFace((Bitmap)imageParam, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
if (cutpicboxflag)
{
picbox.Image = imgResult;
}
else
{
picbox.Image = null;
}
}
}
else
{
picbox.Image = null;
}
}
Console.WriteLine(" EndTime:{0}", DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss.ffff"));
Console.WriteLine("############### Face Detect End #########################");
if (faceRes.nFace > 0)
{
if (detectandextractflag)
{
Console.WriteLine("############### Face Recognition Start #########################");
ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEINPUT faceResult = new ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEINPUT();
int orient = (int)Marshal.PtrToStructure(faceRes.lfaceOrient, typeof(int));
faceResult.lfaceOrient = orient;
faceResult.rcFace = new ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT();
ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT rect = (ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT)Marshal.PtrToStructure(faceRes.rcFace, typeof(ArcSoft_FACE_API.FSDK_FACE_SHARE.MRECT));
faceResult.rcFace = rect;
IntPtr faceResultPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceResult));
Marshal.StructureToPtr(faceResult, faceResultPtr, false);
ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEMODEL localFaceModels = new ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEMODEL();
IntPtr localFaceModelsPtr = Marshal.AllocHGlobal(Marshal.SizeOf(localFaceModels));
//Marshal.StructureToPtr(localFaceModels, localFaceModelsPtr, false);
watchTime.Start();
int extractResult = ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_ExtractFRFeature(ArcSoft_FACE_API.FSDK_FACE_SHARE.recogitionEngine, offInputPtr, faceResultPtr, localFaceModelsPtr);
Marshal.FreeHGlobal(faceResultPtr);
Marshal.FreeHGlobal(offInputPtr);
watchTime.Stop();
Console.WriteLine(String.Format("抽取特征耗时:{0}ms", watchTime.ElapsedMilliseconds));
localFaceModels = (ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEMODEL)Marshal.PtrToStructure(localFaceModelsPtr, typeof(ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEMODEL));
Marshal.FreeHGlobal(localFaceModelsPtr);
Console.WriteLine("" + localFaceModels.lFeatureSize);
feature = new byte[localFaceModels.lFeatureSize];
Marshal.Copy(localFaceModels.pbFeature, feature, 0, localFaceModels.lFeatureSize);
localFaceModels = new ArcSoft_FACE_API.FSDK_FACE_RECOGNITION.AFR_FSDK_FACEMODEL();
Console.WriteLine("############### Face Recognition End #########################");
currentdetectandextractfeature.face_Feature = feature;
}
else
{
currentdetectandextractfeature.faceflag = true;
}
bitmap.Dispose();
imageData = null;
Marshal.FreeHGlobal(imageDataPtr);
offInput = new ArcSoft_FACE_API.FSDK_FACE_SHARE.ASVLOFFSCREEN();
faceRes = new ArcSoft_FACE_API.FSDK_FACE_DETECTION.AFD_FSDK_FACERES();
}
}
catch (Exception e)
{
Console.WriteLine(e.Message + e.StackTrace);
}
return(currentdetectandextractfeature);
}
