public ConcurrentQueue <RecognitionInfo> MakePrediction(List <String> images) //doesnt check in db context
{
MessageToUser?.Invoke(this, "If you want to stop recognition press ctrl + C");
CancellationToken token = cancel.Token;
try
{
ParallelOptions po = new ParallelOptions();
po.CancellationToken = token;
po.MaxDegreeOfParallelism = Environment.ProcessorCount;
var tasks = Parallel.ForEach <string>(images, po, img =>
{
CQ.Enqueue(ProcessImage(img));
OutputResult?.Invoke(this, CQ);
});
}
catch (OperationCanceledException)
{
MessageToUser?.Invoke(this, "-----------------Interrupted-----------------");
Trace.WriteLine("-----------------Interrupted-----------------");
}
catch (Exception e) when(e is ArgumentException || e is IOException)
{
Trace.WriteLine(e.Message);
};
return(CQ);
}
public ConcurrentQueue <RecognitionInfo> MakePrediction(Dictionary <string, string> info) //doesnt check in db context
{
MessageToUser?.Invoke(this, "If you want to stop recognition press ctrl + C");
CancellationToken token = cancel.Token;
try
{
ParallelOptions po = new ParallelOptions();
po.CancellationToken = token;
po.MaxDegreeOfParallelism = Environment.ProcessorCount;
Dictionary <string, string> temp_info = new Dictionary <string, string>();
lock (recognitionLibraryContext)
{
foreach (var image in info)
{
RecognitionInfo temp = new RecognitionInfo(image.Key, "", 0);
temp.Image = Convert.FromBase64String(image.Value);
var sameimage = recognitionLibraryContext.FindOne(temp);
if (sameimage != null)
{
sameimage.Statistic++;
Trace.WriteLine("Statisticv " + sameimage.Statistic);
recognitionLibraryContext.SaveChanges();
}
else
{
Trace.WriteLine("Const temp_info " + image.Key);
temp_info.Add(image.Key, image.Value);
}
}
}
var task = Task.Factory.StartNew(() =>
{
Trace.WriteLine("StartNew");
foreach (var img in temp_info)
{
var t = Task.Run(() =>
{
var tmp = ProcessImage(Convert.FromBase64String(img.Value), img.Key);
Trace.WriteLine("Start nFactory = " + tmp.Path);
CQ.Enqueue(tmp);
OutputResult?.Invoke(this, CQ);
}, cancel.Token);
Task.WaitAll(t);
}
});
Task.WaitAll(task);
}
catch (OperationCanceledException)
{
MessageToUser?.Invoke(this, "-----------------Interrupted-----------------");
Trace.WriteLine("-----------------Interrupted-----------------");
}
catch (Exception e) when(e is ArgumentException || e is IOException)
{
Trace.WriteLine(e.Message);
};
return(CQ);
}
public ConcurrentQueue <RecognitionInfo> MakePrediction(string path) //should check dbcontext
{
MessageToUser?.Invoke(this, "If you want to stop recognition press ctrl + C");
CancellationToken token = cancel.Token;
try
{
IEnumerable <string> images;
ParallelOptions po = new ParallelOptions();
po.CancellationToken = token;
po.MaxDegreeOfParallelism = Environment.ProcessorCount;
if (path == "") // Если пользователь передал пустую директорию, меняем на дефолтную директори проекта с тестовыми изображениями
{
MessageToUser?.Invoke(this, "You haven't set the path. Changed to embedded directory with images");
images = from file in Directory.GetFiles(DefaultImageDir)
where file.Contains(".jpg") ||
file.Contains(".jpeg") ||
file.Contains(".png")
select file;
}
images = from file in Directory.GetFiles(path) // пустой путь - throw exception
where file.Contains(".jpg") ||
file.Contains(".jpeg") ||
file.Contains(".png")
select file;
if (images.Count() == 0) // Если пользователь передал пустую директорию, меняем на дефолтную директори проекта с тестовыми изображениями
{
MessageToUser?.Invoke(this, "Your directory is empty. Change to embedded directory with images");
images = from file in Directory.GetFiles(DefaultImageDir)
where file.Contains(".jpg") ||
file.Contains(".jpeg") ||
file.Contains(".png")
select file;
}
List <string> paths = new List <string>();
lock (recognitionLibraryContext)
{
foreach (var image in images)
{
RecognitionInfo temp = new RecognitionInfo(image, "", 0);
var sameimage = recognitionLibraryContext.FindOne(temp);
if (sameimage != null)
{
sameimage.Statistic++;
recognitionLibraryContext.SaveChanges();
}
else
{
paths.Add(image);
}
}
}
var task = Task.Factory.StartNew(() =>
{
Trace.WriteLine("StartNew");
foreach (var img in images)
{
var t = Task.Run(() =>
{
var tmp = ProcessImage(img);
CQ.Enqueue(tmp);
OutputResult?.Invoke(this, CQ);
}, cancel.Token);
}
});
task.Wait();
Trace.WriteLine("After wait");
}
catch (OperationCanceledException)
{
MessageToUser?.Invoke(this, "-----------------Interrupted-----------------");
Trace.WriteLine("-----------------Interrupted-----------------");
}
catch (Exception e) when(e is ArgumentException || e is IOException)
{
Trace.WriteLine(e.Message);
};
return(CQ);
}
