Esempio n. 1
0
        private async void OnTrain()
        {
            if (string.IsNullOrWhiteSpace(ShapeName))
            {
                StatusMessage = "The shape needs to have a non-whitespace name.";
                return;
            }

            if (Drawings == null || Drawings.Count < CustomVisionEngine.RequiredImageCount)
            {
                StatusMessage = $"There needs to be at least {CustomVisionEngine.RequiredImageCount} drawings.";
                return;
            }

            StatusMessage = "Initiating training...";
            try
            {
                await CustomVisionEngine.TrainAsync(ShapeName, Drawings);

                StatusMessage = "Training complete.";
            }
            catch (CustomVisionErrorException ex)
            {
                StatusMessage = "There was an error during the training: " + ex.Body.Message;
            }
            catch (Exception ex)
            {
                StatusMessage = "There was an error during the training: " + ex.Message;
            }
        }
Esempio n. 2
0
        private async Task DetectShapeAsync()
        {
            if (isTraining)
            {
                return;
            }

            if (!CustomVisionEngine.IsInitialized)
            {
                return;
            }

            if (CurrentDrawing == null)
            {
                return;
            }

            StatusMessage    = "Trying to recognize the shape...";
            HasStatusButtons = false;
            try
            {
                var shape = await CustomVisionEngine.DetectShapeAsync(CurrentDrawing);

                if (string.IsNullOrEmpty(shape))
                {
                    DetectedShape = "The shape was not recognized.";

                    StatusMessage    = "Do you want to add this shape to the model?";
                    HasStatusButtons = true;
                }
                else
                {
                    DetectedShape = $"The shape was recognized as a {shape}.";

                    StatusMessage    = "Do you want to update the model?";
                    HasStatusButtons = true;
                }
            }
            catch (CustomVisionErrorException ex)
            {
                StatusMessage = "There was an error during the recognition: " + ex.Body.Message;
            }
            catch (Exception ex)
            {
                StatusMessage    = "There was an error during the recognition: " + ex.Message;
                HasStatusButtons = false;
            }
        }
Esempio n. 3
0
        private async Task InitializeEngineAsync()
        {
            StatusMessage    = "Initializing recognition engine...";
            HasStatusButtons = false;

            DetectedShape = "Draw a shape below.";
            try
            {
                await CustomVisionEngine.InitializeAsync();

                StatusMessage = null;
            }
            catch (Exception ex)
            {
                StatusMessage    = "There was an error during the initialization: " + ex.Message;
                HasStatusButtons = false;
            }
        }