private async Task EvaluateVideoFrameAsync(VideoFrame inputFrame)
{
if (inputFrame != null)
{
try
{
// Get ONNX file
var modelFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///Assets/CustomVision.onnx"));
// Create WinML Model
var model = await CustomVisionModel.CreateOnnxModel(modelFile);
// Set image(VideoFrame)
var input = new CustomVisionInput
{
data = inputFrame
};
// Detect image
var output = await model.EvaluateAsync(input);
ResultText.Text = output.classLabel.GetAsVectorView()[0];
ResultText.Visibility = Visibility.Visible;
}
catch (Exception ex)
{
}
}
}
public async Task <CustomVisionOutput> EvaluateAsync(CustomVisionInput input)
{
binding.Bind("data", input.data);
var result = await session.EvaluateAsync(binding, "0");
var output = new CustomVisionOutput();
output.classLabel = result.Outputs["classLabel"] as TensorString;
output.loss = result.Outputs["loss"] as IList <IDictionary <string, float> >;
return(output);
}
