public override async Task <GetThumbnailResponse> GetThumbnail(GetThumbnailRequest request)
{
var response = new GetThumbnailResponse();
try
{
var apiKeyServiceClientCredentials = new ApiKeyServiceClientCredentials(request.EndPointKey1);
var delegatingHandlers = new System.Net.Http.DelegatingHandler[] { };
IComputerVisionClient computerVision = new ComputerVisionClient(
credentials: apiKeyServiceClientCredentials,
handlers: delegatingHandlers)
{
Endpoint = request.EndPoint
};
response.Thumbnail = await computerVision.GenerateThumbnailInStreamAsync(
image : request.ImageStream,
width : request.ThumbnailSize.Width,
height : request.ThumbnailSize.Height,
smartCropping : request.ThumbnailSize.SmartCropping);
response.Success = true;
}
catch (Exception e)
{
response.FailureInformation = e.Message;
}
return(response);
}
public async static Task <ImageAnalysis> DescribePicture(MediaFile photo)
{
ImageAnalysis description = null;
try
{
if (photo != null)
{
using (var stream = photo.GetStream())
{
var credentials = new ApiKeyServiceClientCredentials(Constants.VisionApiKey);
var client = new System.Net.Http.DelegatingHandler[] { };
var visionClient = new ComputerVisionClient(credentials, client);
visionClient.Endpoint = Constants.VisionEndpoint;
var features = new VisualFeatureTypes[] { VisualFeatureTypes.Tags, VisualFeatureTypes.Faces, VisualFeatureTypes.Categories, VisualFeatureTypes.Description, VisualFeatureTypes.Color };
description = await visionClient.AnalyzeImageInStreamAsync(stream, features);
}
}
}
catch (Exception ex)
{
}
return(description);
}
public override async Task <GetVisualFeaturesStringResponse> GetVisualFeatures(CognitiveServicesRequest request)
{
var response = new GetVisualFeaturesStringResponse();
try
{
var apiKeyServiceClientCredentials = new ApiKeyServiceClientCredentials(request.EndPointKey1);
var delegatingHandlers = new System.Net.Http.DelegatingHandler[] { };
IComputerVisionClient computerVision = new ComputerVisionClient(
credentials: apiKeyServiceClientCredentials,
handlers: delegatingHandlers)
{
Endpoint = request.EndPoint
};
IList <VisualFeatureTypes> features = new List <VisualFeatureTypes>()
{
VisualFeatureTypes.ImageType,
VisualFeatureTypes.Faces,
VisualFeatureTypes.Adult,
VisualFeatureTypes.Categories,
VisualFeatureTypes.Color,
VisualFeatureTypes.Tags,
VisualFeatureTypes.Description,
VisualFeatureTypes.Objects,
};
var imageAnalysis = await computerVision.AnalyzeImageInStreamAsync(
image : request.ImageStream,
visualFeatures : features);
var visualFeaturesTemp = new StringBuilder();
visualFeaturesTemp.AppendLine("Description - Captions");
foreach (var item in imageAnalysis.Description.Captions)
{
visualFeaturesTemp.AppendLine($"{item.Text} ({item.Confidence})");
}
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Description - Tags");
visualFeaturesTemp.AppendLine(string.Join(", ", imageAnalysis.Description.Tags));
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Adult / Racy Content");
visualFeaturesTemp.AppendLine($"({imageAnalysis.Adult.AdultScore}) , ({imageAnalysis.Adult.RacyScore})");
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Categories - name, score, detail");
foreach (var item in imageAnalysis.Categories)
{
visualFeaturesTemp.AppendLine($"{item.Name} ({item.Score})");
visualFeaturesTemp.AppendLine($"{item.Detail}");
}
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Color");
visualFeaturesTemp.AppendLine($"{imageAnalysis.Color}");
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Faces - Age, Gender");
foreach (var item in imageAnalysis.Faces)
{
visualFeaturesTemp.AppendLine($"{item.Age} {item.Gender}");
}
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Image Type - ClipArtType, LineDrawingType");
visualFeaturesTemp.AppendLine($"{imageAnalysis.ImageType.ClipArtType} {imageAnalysis.ImageType.LineDrawingType}");
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Objects");
foreach (var item in imageAnalysis.Objects)
{
visualFeaturesTemp.AppendLine($"{item.ObjectProperty} ({item.Confidence})");
}
visualFeaturesTemp.AppendLine("");
visualFeaturesTemp.AppendLine("Tags - Name, Confidence, Hint");
foreach (var item in imageAnalysis.Tags)
{
visualFeaturesTemp.AppendLine($"{item.Name} ({item.Confidence})");
visualFeaturesTemp.AppendLine($"{item.Hint}");
}
response.VisualFeatures = visualFeaturesTemp.ToString();
response.Success = true;
}
catch (Exception e)
{
response.FailureInformation = e.Message;
}
return(response);
}
public override async Task <PerformOcrStringResponse> PerformOcr(CognitiveServicesRequest request)
{
var response = new PerformOcrStringResponse();
try
{
var apiKeyServiceClientCredentials = new ApiKeyServiceClientCredentials(request.EndPointKey1);
var delegatingHandlers = new System.Net.Http.DelegatingHandler[] { };
IComputerVisionClient computerVision = new ComputerVisionClient(
credentials: apiKeyServiceClientCredentials,
handlers: delegatingHandlers)
{
Endpoint = request.EndPoint
};
var contentString = await computerVision.RecognizePrintedTextInStreamAsync(
image : request.ImageStream,
detectOrientation : false,
language : OcrLanguages.En,
cancellationToken : CancellationToken.None);
var resultsLinesFound = new List <string>();
var resultsWordsFound = new List <string>();
foreach (OcrRegion region in contentString.Regions)
{
foreach (OcrLine line in region.Lines)
{
var words = line.Words.Select(word => word.Text).ToList();
resultsWordsFound.AddRange(words);
if (words.Count > 0)
{
resultsLinesFound.Add(string.Join <string>(" ", words));
}
}
}
var wordGrouping =
from word in resultsWordsFound
group word by word
into g
select new { InstanceFound = g.Key, Word = g };
var groupedWordsFound = wordGrouping
.Select(item => new PerformOcrWordInstance
{
Word = item.Word.Key,
Instances = item.Word.Count()
});
response.LinesFound = resultsLinesFound;
response.WordsFound = groupedWordsFound.ToList();
response.Success = true;
}
catch (Exception e)
{
response.FailureInformation = e.Message;
}
return(response);
}
public override SqlManagementClient WithHandler(System.Net.Http.DelegatingHandler handler)
{
return((SqlManagementClient)WithHandler(new SqlManagementClient(), handler));
}
