private async Task InitOCR(System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
{
if (_ocr == null)
{
FileDownloadManager manager = new FileDownloadManager();
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/license-plate-recognition-barrier-0001/FP32/license-plate-recognition-barrier-0001.xml",
_modelFolderName,
"B5B649B9566F5CF352554ACFFD44207F4AECEE1DA767F4B69F46060A102623FA");
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/license-plate-recognition-barrier-0001/FP32/license-plate-recognition-barrier-0001.bin",
_modelFolderName,
"685934518A930CC55D023A53AC2D5E47BBE81B80828354D8318DE6DC3AD5CFBA");
if (onDownloadProgressChanged != null)
{
manager.OnDownloadProgressChanged += onDownloadProgressChanged;
}
await manager.Download();
_ocr =
DnnInvoke.ReadNetFromModelOptimizer(manager.Files[0].LocalFile, manager.Files[1].LocalFile);
/*
* if (Emgu.CV.Cuda.CudaInvoke.HasCuda)
* {
* _ocr.SetPreferableBackend(Emgu.CV.Dnn.Backend.Cuda);
* _ocr.SetPreferableTarget(Emgu.CV.Dnn.Target.Cuda);
* }*/
}
}
private async Task InitLicensePlateDetector(System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
{
if (_vehicleLicensePlateDetector == 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();
_vehicleLicensePlateDetector =
DnnInvoke.ReadNetFromModelOptimizer(manager.Files[0].LocalFile, manager.Files[1].LocalFile);
/*
* if (Emgu.CV.Cuda.CudaInvoke.HasCuda)
* {
* _vehicleLicensePlateDetector.SetPreferableBackend(Emgu.CV.Dnn.Backend.Cuda);
* _vehicleLicensePlateDetector.SetPreferableTarget(Emgu.CV.Dnn.Target.Cuda);
* }*/
}
}
private async Task InitVehicleAttributesRecognizer(System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
{
if (_vehicleAttrRecognizer == null)
{
FileDownloadManager manager = new FileDownloadManager();
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/vehicle-attributes-recognition-barrier-0042/FP32/vehicle-attributes-recognition-barrier-0042.xml",
_modelFolderName,
"9D1E877B153699CAF4547D08BFF7FE268F65B663441A42B929924B8D95DACDBB");
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/vehicle-attributes-recognition-barrier-0042/FP32/vehicle-attributes-recognition-barrier-0042.bin",
_modelFolderName,
"492520E55F452223E767D54227D6EF6B60B0C1752DD7B9D747BE65D57B685A0E");
manager.OnDownloadProgressChanged += onDownloadProgressChanged;
await manager.Download();
_vehicleAttrRecognizer =
DnnInvoke.ReadNetFromModelOptimizer(manager.Files[0].LocalFile, manager.Files[1].LocalFile);
/*
* if (Emgu.CV.Cuda.CudaInvoke.HasCuda)
* {
* _vehicleAttrRecognizer.SetPreferableBackend(Emgu.CV.Dnn.Backend.Cuda);
* _vehicleAttrRecognizer.SetPreferableTarget(Emgu.CV.Dnn.Target.Cuda);
* }*/
}
}
private async Task InitVehicleAttributesRecognizer(System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
{
if (_vehicleAttrRecognizer == null)
{
FileDownloadManager manager = new FileDownloadManager();
manager.AddFile(
"https://download.01.org/opencv/2020/openvinotoolkit/2020.4/open_model_zoo/models_bin/3/vehicle-attributes-recognition-barrier-0042/FP32/vehicle-attributes-recognition-barrier-0042.xml",
_modelFolderName);
manager.AddFile(
"https://download.01.org/opencv/2020/openvinotoolkit/2020.4/open_model_zoo/models_bin/3/vehicle-attributes-recognition-barrier-0042/FP32/vehicle-attributes-recognition-barrier-0042.bin",
_modelFolderName);
manager.OnDownloadProgressChanged += onDownloadProgressChanged;
await manager.Download();
_vehicleAttrRecognizer =
DnnInvoke.ReadNetFromModelOptimizer(manager.Files[0].LocalFile, manager.Files[1].LocalFile);
/*
* if (Emgu.CV.Cuda.CudaInvoke.HasCuda)
* {
* _vehicleAttrRecognizer.SetPreferableBackend(Emgu.CV.Dnn.Backend.Cuda);
* _vehicleAttrRecognizer.SetPreferableTarget(Emgu.CV.Dnn.Target.Cuda);
* }*/
}
}
private async Task InitOCR(Dnn.Backend preferredBackend, Dnn.Target preferredTarget, System.Net.DownloadProgressChangedEventHandler onDownloadProgressChanged = null)
#endif
{
if (_ocr == null)
{
FileDownloadManager manager = new FileDownloadManager();
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/license-plate-recognition-barrier-0001/FP32/license-plate-recognition-barrier-0001.xml",
_modelFolderName,
"B5B649B9566F5CF352554ACFFD44207F4AECEE1DA767F4B69F46060A102623FA");
manager.AddFile(
"https://storage.openvinotoolkit.org/repositories/open_model_zoo/2021.2/models_bin/3/license-plate-recognition-barrier-0001/FP32/license-plate-recognition-barrier-0001.bin",
_modelFolderName,
"685934518A930CC55D023A53AC2D5E47BBE81B80828354D8318DE6DC3AD5CFBA");
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
_ocr =
DnnInvoke.ReadNetFromModelOptimizer(manager.Files[0].LocalFile, manager.Files[1].LocalFile);
using (Mat seqInd = new Mat(
new Size(1, 88),
DepthType.Cv32F,
1))
{
if (seqInd.Depth == DepthType.Cv32F)
{
float[] seqIndValues = new float[seqInd.Width * seqInd.Height];
for (int j = 1; j < seqIndValues.Length; j++)
{
seqIndValues[j] = 1.0f;
}
seqIndValues[0] = 0.0f;
seqInd.SetTo(seqIndValues);
}
_ocr.SetInput(seqInd, "seq_ind");
}
_ocr.SetPreferableBackend(preferredBackend);
_ocr.SetPreferableTarget(preferredTarget);
}
}
