private async Task InitLicensePlateDetector(Dnn.Backend preferredBackend, Dnn.Target preferredTarget, System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
{
if (_vehicleLicensePlateDetectionModel == null)
{
FileDownloadManager manager = new FileDownloadManager();
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/vehicle-license-plate-detection-barrier-0106/FP32/vehicle-license-plate-detection-barrier-0106.xml",
_modelFolderName);
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/vehicle-license-plate-detection-barrier-0106/FP32/vehicle-license-plate-detection-barrier-0106.bin",
_modelFolderName);
manager.OnDownloadProgressChanged += onDownloadProgressChanged;
await manager.Download();
_vehicleLicensePlateDetectionModel =
new DetectionModel(manager.Files[1].LocalFile, manager.Files[0].LocalFile);
_vehicleLicensePlateDetectionModel.SetInputSize(new Size(300, 300));
_vehicleLicensePlateDetectionModel.SetInputMean(new MCvScalar());
_vehicleLicensePlateDetectionModel.SetInputScale(1.0);
_vehicleLicensePlateDetectionModel.SetInputSwapRB(false);
_vehicleLicensePlateDetectionModel.SetInputCrop(false);
_vehicleLicensePlateDetectionModel.SetPreferableBackend(preferredBackend);
_vehicleLicensePlateDetectionModel.SetPreferableTarget(preferredTarget);
}
}
public async Task Init(System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
#endif
{
if (_faceDetectionModel == null)
{
FileDownloadManager manager = new FileDownloadManager();
manager.AddFile(
"https://github.com/opencv/opencv_3rdparty/raw/dnn_samples_face_detector_20170830/res10_300x300_ssd_iter_140000.caffemodel",
_modelFolderName,
"2A56A11A57A4A295956B0660B4A3D76BBDCA2206C4961CEA8EFE7D95C7CB2F2D");
manager.AddFile(
"https://raw.githubusercontent.com/opencv/opencv/4.0.1/samples/dnn/face_detector/deploy.prototxt",
_modelFolderName,
"F62621CAC923D6F37BD669298C428BB7EE72233B5F8C3389BB893E35EBBCF795");
if (onDownloadProgressChanged != null)
{
manager.OnDownloadProgressChanged += onDownloadProgressChanged;
}
#if UNITY_EDITOR || UNITY_IOS || UNITY_ANDROID || UNITY_STANDALONE || UNITY_WEBGL
yield return(manager.Download());
#else
await manager.Download();
#endif
if (manager.AllFilesDownloaded)
{
_faceDetectionModel = new DetectionModel(manager.Files[0].LocalFile, manager.Files[1].LocalFile);
_faceDetectionModel.SetInputMean(new MCvScalar(104, 177, 123));
_faceDetectionModel.SetInputSize(new Size(300, 300));
_faceDetectionModel.SetInputSwapRB(false);
_faceDetectionModel.SetInputScale(1.0);
_faceDetectionModel.SetInputCrop(false);
#if !(UNITY_EDITOR || UNITY_IOS || UNITY_ANDROID || UNITY_STANDALONE || UNITY_WEBGL)
if (Emgu.CV.Cuda.CudaInvoke.HasCuda)
{
_faceDetectionModel.SetPreferableBackend(Emgu.CV.Dnn.Backend.Cuda);
_faceDetectionModel.SetPreferableTarget(Emgu.CV.Dnn.Target.Cuda);
}
#endif
}
}
}
