private async Task ProcessDeepStackResponseAsync(CameraConfig camera, DeepStackResponse response,
Image image, CancellationToken cancellationToken)
{
if (response.Success)
{
var relevantObjects = GetRelevantObjects(camera, response);
if (!relevantObjects.IsEmpty)
{
_logger.LogDebug(
"Detected relevant objects {objects}",
relevantObjects.Map(o => new { o.Label, o.Confidence }));
if (camera.TelegramTrigger != null)
{
await _telegramService.ProcessTriggerAsync(camera.TelegramTrigger, image, cancellationToken);
}
await _triggerService.ProcessTriggersAsync(camera, image, cancellationToken);
}
}
else
{
_logger.LogWarning("DeepStack did not detect any objects");
}
}
private static Seq <DeepStackObject> GetRelevantObjects(CameraConfig camera, DeepStackResponse response)
{
return(response.Predictions.ToSeq()
.Filter(p => camera.RelevantObjects.Contains(p.Label) &&
p.Confidence * 100 >= camera.LowerCertainty &&
p.Confidence * 100 <= camera.UpperCertainty));
}
private static void Save_Image_with_Result(string orginal_Filename, DeepStackResponse response, string saved_Filename)
{
Bitmap bitmap = (Bitmap)Image.FromFile(orginal_Filename);
using (Graphics graphics = Graphics.FromImage(bitmap))
{
foreach (var predection in response.predictions)
{
Pen pen = new Pen(Brushes.Red);
Rectangle rect = new Rectangle(predection.x_min, predection.y_min, predection.x_max - predection.x_min, predection.y_max - predection.y_min);
graphics.DrawRectangle(pen, rect);
graphics.DrawString(predection.label, new Font("Arial", 16), Brushes.Red, new Point(predection.x_min, predection.y_min));
}
}
Directory.CreateDirectory(Path.GetDirectoryName(saved_Filename));
bitmap.Save(saved_Filename, ImageFormat.Jpeg);
}
