static void Main(string[] args)
{
using var image = Image.FromFile("Assets/test.jpg");
using var scorer = new YoloScorer <YoloCocoP5Model>("Assets/Weights/yolov5n.onnx");
List <YoloPrediction> predictions = scorer.Predict(image);
using var graphics = Graphics.FromImage(image);
foreach (var prediction in predictions) // iterate predictions to draw results
{
double score = Math.Round(prediction.Score, 2);
graphics.DrawRectangles(new Pen(prediction.Label.Color, 1),
new[] { prediction.Rectangle });
var(x, y) = (prediction.Rectangle.X - 3, prediction.Rectangle.Y - 23);
graphics.DrawString($"{prediction.Label.Name} ({score})",
new Font("Consolas", 16, GraphicsUnit.Pixel), new SolidBrush(prediction.Label.Color),
new PointF(x, y));
}
image.Save("Assets/result.jpg");
}
static void Main(string[] args)
{
var scorer = new YoloScorer <YoloCocoModel>();
using var stream = new FileStream("assets/test.jpg", FileMode.Open);
var image = Image.FromStream(stream);
List <YoloPrediction> predictions = scorer.Predict(image);
using var graphics = Graphics.FromImage(image);
foreach (var prediction in predictions) // iterate each prediction to draw results
{
double score = Math.Round(prediction.Score, 2);
graphics.DrawRectangles(new Pen(prediction.Label.Color, 1),
new[] { prediction.Rectangle });
var(x, y) = (prediction.Rectangle.X - 2, prediction.Rectangle.Y - 21);
graphics.DrawString($"{prediction.Label.Name} ({score})", new Font("Consolas", 3),
new SolidBrush(prediction.Label.Color), new PointF(x, y));
}
image.Save("assets/result.jpg");
}
public void InitScorer()
{
Logging.Log("Initialising ObjectDetector service.");
try
{
scorer = new YoloScorer <YoloCocoModel>();
}
catch (Exception ex)
{
Logging.LogError($"Unexpected exception initialising Object detection: {ex}");
scorer = null; // disable.
}
}
