private List <MarkFaceInfor> ExtractFaceData(Mat mat, Arcsoft_Face_Action arcsoft)
{
if (mat != null)
{
Image image = mat.ToBitmap();
ImageInfo imageInfo = new ImageInfo();
imageInfo = ImageHelper.ReadBMPFromImage(image, imageInfo);
List <MarkFaceInfor> markFaceInfors = new List <MarkFaceInfor>();
if (imageInfo.imgData != IntPtr.Zero)
{
var engine = arcsoft.GetEngine(arcsoft.FaceEnginePoor);
while (engine == IntPtr.Zero)
{
Task.Delay(10).Wait();
engine = arcsoft.GetEngine(arcsoft.FaceEnginePoor);
}
markFaceInfors = Arcsoft_Face_Action.DetectMultipleFaceAllInformation(engine, imageInfo, true);
arcsoft.PutEngine(arcsoft.FaceEnginePoor, engine);
}
else
{
markFaceInfors = null;
}
image.Dispose();
Marshal.FreeHGlobal(imageInfo.imgData);
return(markFaceInfors);
}
else
{
return(null);
}
}
private void InitializeEngine(IConfiguration conf)
{
IConfiguration config = conf;
_appID = config["AppID"];
_faceKey = config["AppKey"];
_engineNums = int.Parse(config["EngineNums"]);
_enginePool = new Arcsoft_Face_Action(_appID, _faceKey);
_enginePool.Arcsoft_EnginePool(_engineNums, 0, 0);
}
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
public void ConfigureServices(IServiceCollection services)
{
//配置grpc
services.AddGrpc();
//添加虹软“引擎池”服务
Arcsoft_Face_Action enginePool = new Arcsoft_Face_Action(appID, faceKey);
enginePool.Arcsoft_EnginePool(faceEngineNums, 0, 0);
services.AddArcSoftFaceService(enginePool);
}
public Startup(IConfiguration configuration)
{
Configuration = configuration;
//取配置参数
appID = Configuration.GetSection("AppSettings:AppId").Value;
faceKey = Configuration.GetSection("AppSettings:FaceKey").Value;
faceEngineNums = 0;
int.TryParse(Configuration.GetSection("AppSettings:FaceEngineNum").Value, out faceEngineNums);
arcsoft_Face_Action = new Arcsoft_Face_Action(appID, faceKey);
}
public static IServiceCollection AddArcSoftFaceService(this IServiceCollection services, Arcsoft_Face_Action enginePool)
{
services.AddSingleton <IEnginePoor, Arcsoft_Face_Action>(x => enginePool);
return(services);
}
public override async Task RecongnizationByFace(IAsyncStreamReader <FaceRequest> requestStream, IServerStreamWriter <FaceReply> responseStream, ServerCallContext context)
{
var faceQueue = new Queue <Google.Protobuf.ByteString>();
IntPtr featurePoint = IntPtr.Zero;
IntPtr engine = FaceProcess.GetEngine(FaceProcess.FaceEnginePoor);
FaceReply faceReply = new FaceReply();
/*
* //开始取数据
* while (await requestStream.MoveNext())
* {
* faceQueue.Enqueue(requestStream.Current.FaceFeature);
* }
* //开始业务处理
* while (faceQueue.TryDequeue(out var feature))
* {
* //识别业务
* byte[] featureByte = feature.ToByteArray();
* featurePoint = Arcsoft_Face_Action.PutFeatureByteIntoFeatureIntPtr(featureByte);
* float maxScore = 0f;
*
* while (engine == IntPtr.Zero)
* {
* Task.Delay(10).Wait();
* engine = FaceProcess.GetEngine(FaceProcess.IDEnginePoor);
* }
* foreach (var f in StaticDataForTestUse.dbFaceInfor)
* {
* float result = 0;
* int compareStatus = Arcsoft_Face_3_0.ASFFaceFeatureCompare(engine, featurePoint, f.Key, ref result, 1);
* if (compareStatus == 0)
* {
* if (result >= maxScore)
* {
* maxScore = result;
* }
* if (result >= _faceMix && result>= maxScore)
* {
* faceReply.PersonName = f.Value;
* faceReply.ConfidenceLevel = result;
* }
* }
* else
* {
* faceReply.PersonName = $"对比异常 error code={compareStatus}";
* faceReply.ConfidenceLevel = result;
* }
* }
* if (maxScore < _faceMix)
* {
* faceReply.PersonName = $"未找到匹配者";
* faceReply.ConfidenceLevel = maxScore;
* }
* Marshal.FreeHGlobal(featurePoint);
* FaceProcess.PutEngine(FaceProcess.FaceEnginePoor, engine);
* await responseStream.WriteAsync(faceReply) ;
* }
*/
while (await requestStream.MoveNext())
{
//识别业务
byte[] featureByte = requestStream.Current.FaceFeature.ToByteArray();
if (featureByte.Length != 1032)
{
continue;
}
featurePoint = Arcsoft_Face_Action.PutFeatureByteIntoFeatureIntPtr(featureByte);
float maxScore = 0f;
while (engine == IntPtr.Zero)
{
Task.Delay(10).Wait();
engine = FaceProcess.GetEngine(FaceProcess.IDEnginePoor);
}
foreach (var f in StaticDataForTestUse.dbFaceInfor)
{
float result = 0;
int compareStatus = Arcsoft_Face_3_0.ASFFaceFeatureCompare(engine, featurePoint, f.Key, ref result, 1);
if (compareStatus == 0)
{
if (result >= maxScore)
{
maxScore = result;
}
if (result >= _faceMix && result >= maxScore)
{
faceReply.PersonName = f.Value;
faceReply.ConfidenceLevel = result;
}
}
else
{
faceReply.PersonName = $"对比异常 error code={compareStatus}";
faceReply.ConfidenceLevel = result;
}
}
if (maxScore < _faceMix)
{
faceReply.PersonName = $"未找到匹配者";
faceReply.ConfidenceLevel = maxScore;
}
Marshal.FreeHGlobal(featurePoint);
await responseStream.WriteAsync(faceReply);
}
FaceProcess.PutEngine(FaceProcess.FaceEnginePoor, engine);
}
