public async Task <string> PredictImage(string url)
{
try
{
CustomVisionPredictionClient client = new CustomVisionPredictionClient()
{
ApiKey = predictionKey,
Endpoint = endpoint
};
var result = await client.PredictImageUrlAsync(projectId, new ImageUrl(url), iterationId : iterationId);
if (result != null)
{
return(result.Predictions.OrderByDescending(p => p.Probability).FirstOrDefault().TagName);
}
else
{
return(null);
}
}
catch
{
return(null);
}
}
public async Task <IActionResult> Recognize(string photoId)
{
var photoUrl = _imageStorageService.UriFor(photoId);
ImageUrl imgUrl = new ImageUrl {
Url = photoUrl
};
RecognizeViewModel recognizeViewModel = new RecognizeViewModel()
{
PhotoURL = photoUrl,
ImagePrediction = await endpoint.PredictImageUrlAsync(projectID, imgUrl)
};
////
//recognize from current default project
//var defaultProject = _context.DefaultProjectHistories.OrderByDescending(x => x.SettingTime).FirstOrDefault();
//Guid projectPredictionID;
//if (defaultProject != null)
// projectPredictionID = defaultProject.MyProjectId;
//else
// projectPredictionID = projectID;
//RecognizeViewModel recognizeViewModel = new RecognizeViewModel()
//{
// PhotoURL = photoUrl,
// ImagePrediction = await endpoint.PredictImageUrlAsync(projectPredictionID, imgUrl)
//};
////
//RecognizeViewModel recognizeViewModel = new RecognizeViewModel()
//{
// PhotoURL = photoUrl,
// ImagePrediction = await endpoint.PredictImageUrlAsync(projectID, imgUrl)
//};
//RecognizeViewModel recognizeViewModel;
//var proj = _context.DefaultProjectHistories.OrderByDescending(x => x.SettingTime).FirstOrDefault();
//if (proj != null)
//{
// recognizeViewModel = new RecognizeViewModel()
// {
// PhotoURL = photoUrl,
// ImagePrediction = await endpoint.PredictImageUrlAsync(proj.MyProjectId, imgUrl)
// };
//}
//else
//{
// recognizeViewModel = new RecognizeViewModel()
// {
// PhotoURL = photoUrl,
// ImagePrediction = await endpoint.PredictImageUrlAsync(projectID, imgUrl)
// };
//}
return(View(recognizeViewModel));
}
public async Task <List <PredictionModel> > PredictionImages(string url)
{
ImageUrl imgUrl = new ImageUrl();
imgUrl.Url = url;
var predictions = new List <PredictionModel>();
var resultImageUrl = await endpoint.PredictImageUrlAsync(Guid.Parse("cbfa66a3-9815-47d6-a389-7438e468ac15"), imgUrl);
foreach (var item in resultImageUrl.Predictions.OrderBy(x => x.Probability))
{
var resultPredction = new PredictionModel(Math.Round(item.Probability * 100), item.TagId, item.TagName, item.BoundingBox);
if (resultPredction.Probability > 70)
{
resultPredction.BoundingBox.Top = Convert.ToInt32(resultPredction.BoundingBox.Top * 380);
resultPredction.BoundingBox.Height = Convert.ToInt32(resultPredction.BoundingBox.Height * 380);
resultPredction.BoundingBox.Left = Convert.ToInt32(resultPredction.BoundingBox.Left * 700);
resultPredction.BoundingBox.Width = Convert.ToInt32(resultPredction.BoundingBox.Width * 700);
predictions.Add(resultPredction);
count++;
}
}
if (count == 0)
{
var plowForecast = resultImageUrl.Predictions.OrderBy(x => x.Probability).ToList();
var resultPredction = new PredictionModel(Convert.ToInt32(plowForecast[plowForecast.Count - 1].Probability * 100), plowForecast[plowForecast.Count - 1].TagId, plowForecast[plowForecast.Count - 1].TagName, plowForecast[plowForecast.Count - 1].BoundingBox);
predictions.Add(resultPredction);
}
return(predictions);
}