string FaceAppId = "BKgqTWQPQQbomfqvyd2VJzTbzo5C4T5w4tzgN3GL6euK"; /// <summary> /// 虹软SDK人脸跟踪的Key /// </summary> const string FaceTraceKey = "2Yqm2EcsJyBbJjSrirPSNoyHDRKCrS53XgUDeRRxtKyR"; /// <summary> /// 虹软SDK人脸检测的Key /// </summary> const string FaceDetectKey = "2Yqm2EcsJyBbJjSrirPSNoyQNpaSJz19noCteLQ88SoG"; /// <summary> /// 虹软SDK人脸比对的Key /// </summary> const string FaceMatchKey = "2Yqm2EcsJyBbJjSrirPSNoyu2Rd4j1ydfwxwFX9vPmtY"; /// <summary> /// 虹软SDK年龄识别的Key /// </summary> const string FaceAgeKey = "2Yqm2EcsJyBbJjSrirPSNoz9ME9R4xnKU9yecD8Axu1D"; /// <summary> /// 虹软SDK性别识别的Key /// </summary> const string FaceGenderKey = "2Yqm2EcsJyBbJjSrirPSNozGWdQedYzhEUMw5FBegKVR"; /// <summary> /// 缓存大小 /// </summary> const int BufferSize = 40 * 1024 * 1024; /// <summary> /// 人脸跟踪的缓存 /// </summary> //byte[] _FaceTraceBuffer = new byte[BufferSize]; /// <summary> /// 人脸检测的缓存 /// </summary> byte[] _FaceDetectBuffer = new byte[BufferSize]; /// <summary> /// 人脸比对的缓存 /// </summary> byte[] _FaceMatchBuffer = new byte[BufferSize]; /// <summary> /// 年龄识别的缓存 /// </summary> //byte[] _FaceAgeBuffer = new byte[BufferSize]; /// <summary> /// 性别识别的缓存 /// </summary> //byte[] _FaceGenderBuffer = new byte[BufferSize]; /// <summary> /// 人脸跟踪的引擎 /// </summary> //IntPtr _FaceTraceEnginer = IntPtr.Zero; /// <summary> /// 人脸检测的引擎 /// </summary> IntPtr _FaceDetectEnginer = IntPtr.Zero; /// <summary> /// 人脸比对的引擎 /// </summary> IntPtr _FaceMatchEngine = IntPtr.Zero; /// <summary> /// 年龄识别的引擎 /// </summary> //IntPtr _FaceAgeEngine = IntPtr.Zero; /// <summary> /// 性别识别的引擎 /// </summary> //IntPtr _FaceGenderEngine = IntPtr.Zero; /// <summary> /// 人脸库字典 /// </summary> Face.FaceLib _FaceLib = new Face.FaceLib(); /// <summary> /// 摄像头参数 /// </summary> CameraPara _CameraPara = null; double _RateW, _RateH; private readonly ReaderWriterLockSlim _CacheLock = new ReaderWriterLockSlim(); Face.FaceResult _FaceResult = new Face.FaceResult(); System.Threading.CancellationTokenSource _CancellationTokenSource = new System.Threading.CancellationTokenSource(); bool _RegisterClicked = false; byte[] _RegisterFeatureData = null; #endregion public Main() { InitializeComponent(); } private void Main_Load(object sender, EventArgs e) { if (!Directory.Exists(FeaturePath)) Directory.CreateDirectory(FeaturePath); foreach (var file in Directory.GetFiles(FeaturePath)) { var info = new FileInfo(file); var data = File.ReadAllBytes(file); var faceModel = new Face.FaceModel { lFeatureSize = data.Length, pbFeature = Marshal.AllocHGlobal(data.Length) }; Marshal.Copy(data, 0, faceModel.pbFeature, data.Length); _FaceLib.Items.Add(new Face.FaceLib.Item() { OrderId = 0, ID = info.Name.Replace(info.Extension, ""), FaceModel = faceModel }); } _CameraPara = new Common.CameraPara(); if (!_CameraPara.HasVideoDevice) { MessageBox.Show("没有检测到摄像头"); this.Close(); return; } this.VideoPlayer.VideoSource = _CameraPara.VideoSource; this.VideoPlayer.Start(); _RateH = 1.0 * this.VideoPlayer.Height / this._CameraPara.FrameHeight; _RateW = 1.0 * this.VideoPlayer.Width / this._CameraPara.FrameWidth; //var initResult = (Face.ErrorCode)Face.Trace.Init(FaceAppId, FaceTraceKey, _FaceTraceBuffer, BufferSize, out _FaceTraceEnginer, (int)Face.OrientPriority.Only0, 16, 1); //if (initResult != Face.ErrorCode.Ok) //{ // MessageBox.Show("初始化人脸跟踪引擎失败，错误代码为：" + initResult); // this.Close(); // return; //} var initResult = (Face.ErrorCode)Face.Detect.Init(FaceAppId, FaceDetectKey, _FaceDetectBuffer, BufferSize, out _FaceDetectEnginer, (int)Face.OrientPriority.Only0, 16, 1); if (initResult != Face.ErrorCode.Ok) { MessageBox.Show("初始化人脸检测引擎失败，错误代码为：" + initResult); this.Close(); return; } initResult = (Face.ErrorCode)Face.Match.Init(FaceAppId, FaceMatchKey, _FaceMatchBuffer, BufferSize, out _FaceMatchEngine); if (initResult != Face.ErrorCode.Ok) { MessageBox.Show("初始化人脸比对引擎失败，错误代码为：" + initResult); this.Close(); return; } //initResult = (Face.ErrorCode)Face.Age.Init(FaceAppId, FaceAgeKey, _FaceAgeBuffer, BufferSize, out _FaceAgeEngine); //if (initResult != Face.ErrorCode.Ok) //{ // MessageBox.Show("初始化年龄识别引擎失败，错误代码为：" + initResult); // this.Close(); // return; //} //initResult = (Face.ErrorCode)Face.Gender.Init(FaceAppId, FaceGenderKey, _FaceGenderBuffer, BufferSize, out _FaceGenderEngine); //if (initResult != Face.ErrorCode.Ok) //{ // MessageBox.Show("初始化性别识别引擎失败，错误代码为：" + initResult); // this.Close(); // return; //} Task.Factory.StartNew(() => { Task.Delay(1000).Wait(); while (!_CancellationTokenSource.IsCancellationRequested) { #region 200毫秒左右 MatchFrame(); #endregion } }, _CancellationTokenSource.Token); } private void Main_FormClosing(object sender, FormClosingEventArgs e) { if (_CameraPara.HasVideoDevice) { _CancellationTokenSource.Cancel(); System.Threading.Thread.Sleep(500); this.VideoPlayer.Stop(); if (_FaceMatchEngine != IntPtr.Zero) Face.Match.Close(_FaceMatchEngine); //if (_FaceTraceEnginer != IntPtr.Zero) // Face.Trace.Close(_FaceTraceEnginer); if (_FaceDetectEnginer != IntPtr.Zero) Face.Detect.Close(_FaceDetectEnginer); //if (_FaceAgeEngine != IntPtr.Zero) // Face.Age.Close(_FaceAgeEngine); //if (_FaceGenderEngine != IntPtr.Zero) // Face.Gender.Close(_FaceGenderEngine); } } private void MatchFrame() { #region 获取图片 1毫秒 var bitmap = this.VideoPlayer.GetCurrentVideoFrame(); #endregion Stopwatch sw = new Stopwatch(); sw.Start(); #region 图片转换 0.7-2微妙 var bmpData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb); var imageData = new Face.ImageData { u32PixelArrayFormat = 513,//Rgb24, i32Width = bitmap.Width, i32Height = bitmap.Height, pi32Pitch = new int[4], ppu8Plane = new IntPtr[4] }; imageData.pi32Pitch[0] = bmpData.Stride; imageData.ppu8Plane[0] = bmpData.Scan0; sw.Stop(); _FaceResult.Score = sw.ElapsedTicks; #endregion try { #region 人脸检测 5-8毫秒 var ret = (Face.ErrorCode)Face.Detect.Detection(_FaceDetectEnginer, ref imageData, out var pDetectResult); if (ret != Face.ErrorCode.Ok) return; var detectResult = Marshal.PtrToStructure<Face.DetectResult>(pDetectResult); if (detectResult.nFace == 0) return; var faceRect = Marshal.PtrToStructure<Face.FaceRect>(detectResult.rcFace); _FaceResult.Rectangle = new Rectangle((int)(faceRect.left * _RateW), (int)(faceRect.top * _RateH), (int)((faceRect.right - faceRect.left) * _RateW), (int)((faceRect.bottom - faceRect.top) * _RateH)); var faceOrient = Marshal.PtrToStructure<int>(detectResult.lfaceOrient); #endregion #region 性别识别基本准确 年龄识别误差太大，没什么应用场景 //Face.ExtraFaceInput faceInput = new Face.ExtraFaceInput() //{ // lFaceNumber = facesDetect.nFace, // pFaceRectArray = Marshal.AllocHGlobal(Marshal.SizeOf(faceRect)), // pFaceOrientArray = Marshal.AllocHGlobal(Marshal.SizeOf(faceOrient)) //}; //Marshal.StructureToPtr(faceRect, faceInput.pFaceRectArray, false); //Marshal.StructureToPtr(faceOrient, faceInput.pFaceOrientArray, false); //var ageResult = Face.Age.ASAE_FSDK_AgeEstimation_Preview(_FaceAgeEngine, ref imageData, ref faceInput, out var pAgeRes); //var ages = pAgeRes.pResult.ToStructArray<int>(pAgeRes.lFaceNumber); //var genderResult = Face.Gender.ASGE_FSDK_GenderEstimation_Preview(_FaceGenderEngine, ref imageData, ref faceInput, out var pGenderRes); //var genders = pGenderRes.pResult.ToStructArray<int>(pGenderRes.lFaceNumber); //_FaceResult.Age = ages[0]; //_FaceResult.Gender = genders[0]; //Marshal.FreeHGlobal(faceInput.pFaceOrientArray); //Marshal.FreeHGlobal(faceInput.pFaceRectArray); #endregion #region 获取人脸特征 160-180毫秒 var faceFeatureInput = new Face.FaceFeatureInput { rcFace = faceRect, lOrient = faceOrient }; ret = (Face.ErrorCode)Face.Match.ExtractFeature(_FaceMatchEngine, ref imageData, ref faceFeatureInput, out var faceModel); #endregion if (ret == Face.ErrorCode.Ok) { if (_RegisterClicked) { _RegisterFeatureData = new byte[faceModel.lFeatureSize]; Marshal.Copy(faceModel.pbFeature, _RegisterFeatureData, 0, faceModel.lFeatureSize); } #region 人脸识别（100张人脸） 17-20毫秒 foreach (var item in _FaceLib.Items.OrderByDescending(ii => ii.OrderId)) { var fm = item.FaceModel; Face.Match.FacePairMatch(_FaceMatchEngine, ref fm, ref faceModel, out float score); if (score > 0.5) { item.OrderId = DateTime.Now.Ticks; _FaceResult.ID = item.ID; break; } } #endregion } } finally { bitmap.UnlockBits(bmpData); if (_RegisterClicked) { this.pictureBox1.Invoke(new Action(() => { this.pictureBox1.Image = bitmap; })); _RegisterClicked = false; } else { bitmap.Dispose(); } } } private void VideoPlayer_Paint(object sender, PaintEventArgs e) { e.Graphics.DrawRectangle(Pens.White, _FaceResult.Rectangle); e.Graphics.DrawString(_FaceResult.ID , this.Font, Brushes.White, _FaceResult.Rectangle.Left, _FaceResult.Rectangle.Top - 20); } private void VideoPlayer_Click(object sender, EventArgs e) { _RegisterFeatureData = null; _RegisterClicked = true; this.TextBoxID.Text = _FaceResult.ID; } private void ButtonRegister_Click(object sender, EventArgs e) { if (_RegisterFeatureData == null) { MessageBox.Show("没有人脸数据，请面对摄像头并点击视频"); return; } if (string.IsNullOrEmpty(this.TextBoxID.Text)) { MessageBox.Show("请输入Id"); this.TextBoxID.Focus(); return; } var fileName = FeaturePath + "\\" + this.TextBoxID.Text + ".dat"; if (System.IO.File.Exists(fileName)) { if (MessageBox.Show($"您要替换[{this.TextBoxID.Text}]的人脸数据吗？", "咨询", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button1) == DialogResult.No) return; } System.IO.File.WriteAllBytes(fileName, _RegisterFeatureData); var faceModel = new Face.FaceModel { lFeatureSize = _RegisterFeatureData.Length, pbFeature = Marshal.AllocHGlobal(_RegisterFeatureData.Length) }; Marshal.Copy(_RegisterFeatureData, 0, faceModel.pbFeature, _RegisterFeatureData.Length); _FaceLib.Items.Add(new Face.FaceLib.Item() { OrderId = DateTime.Now.Ticks, ID = this.TextBoxID.Text, FaceModel = faceModel }); } } }