private void _processTimer_Tick(object sender, EventArgs e)
{
if (SourceMediaElement.Position.Seconds < 1)
{
return;
}
var w = SourceMediaElement.ActualWidth;
var h = SourceMediaElement.ActualHeight;
System.Drawing.Size dpi = new System.Drawing.Size(96, 96);
RenderTargetBitmap bmp = new RenderTargetBitmap((int)w, (int)h, dpi.Width, dpi.Height, PixelFormats.Pbgra32);
bmp.Render(SourceMediaElement);
MemoryStream stream = new MemoryStream();
BitmapEncoder encoder = new BmpBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(bmp));
encoder.Save(stream);
Bitmap bitmap = new Bitmap(stream);
// try to recognize image
AlprResultsNet result = _process.Recognize(bitmap);
foreach (var plate in result.Plates)
{
if (plate.BestPlate.Characters.Length >= 7)
{
if (plate.BestPlate.OverallConfidence > Confidence)
{
ResultsList.Add(new ResultViewModel(plate.BestPlate.Characters, SourceMediaElement.Position, plate.BestPlate.OverallConfidence, true));
LastRecognizedPlate = plate.BestPlate.Characters;
}
else
{
ResultsList.Add(new ResultViewModel(plate.BestPlate.Characters, SourceMediaElement.Position, plate.BestPlate.OverallConfidence));
}
_lineTimer.Start();
}
SetFirstLines(plate);
SetSecondLines(plate);
SetThirdLines(plate);
SetFourthLines(plate);
}
}
private void Regconize()
{
var alpr = new AlprNet("us", "openalpr.conf.defaults", "runtime_data");
if (!alpr.IsLoaded())
{
Console.WriteLine("OpenAlpr failed to load!");
return;
}
// Optionally apply pattern matching for a particular region
alpr.DefaultRegion = "vn2";
AlprResultsNet results = alpr.Recognize(GetBitmap(LicencePlate));
int i = 0;
foreach (var result in results.Plates)
{
Console.WriteLine("Plate {0}: {1} result(s)", i++, result.TopNPlates.Count);
Console.WriteLine(" Processing Time: {0} msec(s)", result.ProcessingTimeMs);
foreach (var plate in result.TopNPlates)
{
Console.WriteLine(" - {0}\t Confidence: {1}\tMatches Template: {2}", plate.Characters,
plate.OverallConfidence, plate.MatchesTemplate);
}
}
//var alpr2 = new AlprNet("us", "openalpr.conf", "runtime_data");
//if (!alpr2.IsLoaded())
//{
// Console.WriteLine("OpenAlpr failed to load!");
// return;
//}
//// Optionally apply pattern matching for a particular region
//alpr2.DefaultRegion = "vn";
////var results2 = alpr2.Recognize("123.jpg");
//var results2 = alpr2.Recognize("77.jpg");
//i = 0;
//foreach (var result in results2.Plates)
//{
// Console.WriteLine("Plate {0}: {1} result(s)", i++, result.TopNPlates.Count);
// Console.WriteLine(" Processing Time: {0} msec(s)", result.ProcessingTimeMs);
// foreach (var plate in result.TopNPlates)
// {
// Console.WriteLine(" - {0}\t Confidence: {1}\tMatches Template: {2}", plate.Characters,
// plate.OverallConfidence, plate.MatchesTemplate);
// }
//}
}
private void ExitExaminer()
{
AlprNet alpr = new AlprNet("us", "openalpr.conf", "runtime_dir");
alpr.TopN = 1;
HashSet <string> recognized = new HashSet <string>();
Stopwatch bar = null;
while (true)
{
Bitmap bitmap;
lock (_lock)
{
if (_kill)
{
break;
}
}
if (bar != null && bar.IsRunning)
{
if (bar.ElapsedMilliseconds < 10000)
{
continue;
}
else
{
bar.Stop();
_framesQueue.TryDequeue(out bitmap);
_WriteLog("Bar closed", _name);
}
}
if (_framesQueue.TryDequeue(out bitmap))
{
bool left = false;
AlprResultsNet results = alpr.Recognize(bitmap);
if (results.Plates.Count != 0)
{
AlprPlateNet plate = results.Plates[0].BestPlate;
if (recognized.Add(plate.Characters))
{
_WriteLog(plate.Characters, _name);
try
{
Api <HistoryLast> data = ("http://api.ipark.altervista.org/history/" + plate.Characters + "/last").SetQueryParams(new { token = _token }).GetJsonAsync <Api <HistoryLast> >().Result;
if (data.meta.code == 200)
{
if (data.response.payment == null)
{
_WriteLog(plate.Characters + " has not paid yet", _name, LogType.WARNING);
recognized.Remove(recognized.Last());
}
else
{
Api <Registered> internalData = ("http://api.ipark.altervista.org/history/register/exit/" + data.response.plate).SetQueryParams(new { token = _token }).PutJsonAsync(null).ReceiveJson <Api <Registered> >().Result;
if (internalData.meta.code == 200)
{
_UpdatePie(UpdateType.SUB);
_LogResult(internalData.response, _name);
left = true;
}
}
}
}
catch (Exception exception)
{
_WriteLog(exception.ToString(), _name, LogType.ERROR);
}
}
}
if (left)
{
recognized.Clear();
bar = new Stopwatch();
bar.Start();
_WriteLog("Bar raised", _name);
}
}
}
}
public Boolean RecognizeNumber(string path)
{
try
{
double maxVehicle = Convert.ToDouble(ConfigurationManager.AppSettings["MaxVehicle"]);
int maxResult = Convert.ToInt32(ConfigurationManager.AppSettings["MaxResult"]);
string confPath = AppDomain.CurrentDomain.BaseDirectory + @"\openalpr.conf";
string runtimePath = AppDomain.CurrentDomain.BaseDirectory + @"\runtime_date";
AlprNet alpr = new AlprNet("eu", confPath, runtimePath);
if (!alpr.IsLoaded())
{
throw new System.Exception("Error loading openalpr library");
}
alpr.DetectRegion = true;
alpr.TopN = maxResult;
AlprResultsNet results = alpr.Recognize(path);
if (images != null)
{
images = null;
}
if (vehicleResult != null)
{
vehicleResult = null;
}
images = new List <Image>(results.Plates.Count);
vehicleResult = new List <VehicleResult>();
Int16 count = 1;
Int16 listIndex = 0;
if (results.Plates.Count > 0)
{
foreach (AlprPlateResultNet result in results.Plates)
{
if (count > maxVehicle)
{
break;
}
Rectangle rect = BoundingRectangle(result.PlatePoints);
Image img = Image.FromFile(path);
Image cropped = CropImage(img, rect);
cropped = ResizeImage(cropped);
images.Add(cropped);
string filePath = ConfigurationManager.AppSettings["CSVPath"];
foreach (AlprPlateNet plate in result.TopNPlates)
{
vehicleResult.Add(new VehicleResult(plate.Characters, listIndex, count--));
using (System.IO.StreamWriter sw = new System.IO.StreamWriter(filePath, true))
{
sw.WriteLine(string.Format(string.Join(",", plate.Characters, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"))));
}
//Console.WriteLine(plate.Characters);
listIndex++;
}
count++;
}
return(true);
}
else
{
return(false);
}
//System.IO.File.Delete(path);
}
catch (Exception ex) {
throw ex;
}
return(false);
}
