public async Task <Prediction> PredictAsync(Image <Rgba32> image)
{
var preprocessor = new Preprocessor(Rgba32.Black, Rgba32.White);
image = preprocessor.Preprocess(image);
var customVision = new CustomVisionPredictionClient(_httpClient, false)
{
ApiKey = _apiKey,
Endpoint = _baseUrl,
};
var stream = new MemoryStream();
image.SaveAsPng(stream);
var prediction = (await customVision.ClassifyImageWithHttpMessagesAsync(_projectId, _publishedName, stream)).Body;
var tag = prediction.Predictions.OrderByDescending(p => p.Probability).First();
return(new Prediction
{
Tag = Convert.ToInt32(tag.TagName),
Probability = tag.Probability
});
}