/// <inheritdoc cref="ClassifyImage" />
/// <summary>Same as <see cref="ClassifyImage"/> but performed asynchronously.</summary>
public async Task <Dictionary <string, float> > ClassifyImageAsync(byte[] image)
{
var projectId = Guid.Parse(ConfigurationManager.AppSettings.Get("projectId"));
var predictionKey = ConfigurationManager.AppSettings.Get("predictionKey");
// Form request
var client = new HttpClient();
// Request headers
client.DefaultRequestHeaders.Add("Prediction-Key", predictionKey);
// Request parameters
var uri =
$"https://southcentralus.api.cognitive.microsoft.com/customvision/v2.0/Prediction/{projectId}/image";
var multipartFormDataContent = GetMultipartFormDataContent(image);
// Execute request
var response = await client.PostAsync(uri, multipartFormDataContent);
response.EnsureSuccessStatusCode();
var results = CustomVisionPredictionResponse.FromJson(await response.Content.ReadAsStringAsync());
return(results.Predictions.ToDictionary(x => x.TagName, x => (float)x.Probability));
}
/// <inheritdoc cref="ClassifyImage" />
/// <summary>Same as <see cref="ClassifyImage"/> but performed asynchronously.</summary>
public async Task <Dictionary <string, float> > ClassifyImageAsync(byte[] image)
{
var projectId = Guid.Parse(ConfigurationManager.AppSettings["cvProjectId"]);
var predictionKey = ConfigurationManager.AppSettings["cvPredictionKey"];
var uri = ConfigurationManager.AppSettings["cvRequestUri"];
// Form request
var client = new HttpClient();
// Request headers
client.DefaultRequestHeaders.Add("Prediction-Key", predictionKey);
var multipartFormDataContent = GetMultipartFormDataContent(image);
// Execute request
var response = await client.PostAsync(uri, multipartFormDataContent);
response.EnsureSuccessStatusCode();
var results = CustomVisionPredictionResponse.FromJson(await response.Content.ReadAsStringAsync());
return(results.Predictions.ToDictionary(x => x.TagName, x => (float)x.Probability));
}