public AnnotateImageResponse AnalyzeImage(Image image)
{
var client = new ImageAnnotatorClientBuilder();
client.CredentialsPath = ("HackGT.json");
var visClient = client.Build();
AnnotateImageRequest request = new AnnotateImageRequest
{
Image = image,
Features =
{
new Feature {
Type = Feature.Types.Type.LabelDetection
},
new Feature {
Type = Feature.Types.Type.LogoDetection
},
new Feature {
Type = Feature.Types.Type.ImageProperties
}
}
};
return(visClient.Annotate(request));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="credentialsPath">Path to the credentials JSON file for
/// access to Google VisionAI.</param>
/// <param name="connString">Connection string used to connect to
/// desired database.</param>
public OCRTool(string credentialsPath, string connString)
{
_credentialsPath = credentialsPath;
ImageAnnotatorClientBuilder clientBuiler =
new ImageAnnotatorClientBuilder {
CredentialsPath = credentialsPath
};
_client = clientBuiler.Build();
_connectionString = connString;
}
private ImageAnnotatorClient CreateClient(string apiKey)
{
if (string.IsNullOrWhiteSpace(apiKey))
{
return(ImageAnnotatorClient.Create());
}
var builder = new ImageAnnotatorClientBuilder();
builder.JsonCredentials = apiKey;
return(builder.Build());
}
public void JwtAccessToken_GrpcClient()
{
Image image = LoadResourceImage("SydneyOperaHouse.jpg");
ImageAnnotatorClientBuilder builder = new ImageAnnotatorClientBuilder
{
// Making sure we have no scopes so that a JWT is sent.
Scopes = new string[0]
};
var client = builder.Build();
var result = client.DetectLandmarks(image);
Assert.NotEmpty(result);
}
/// <summary>
/// This function is used to create a new instance of ImageAnnotatorClient
/// </summary>
/// <returns></returns>
public ImageAnnotatorClient CreateImageAnnotatorClient()
{
var credPath = _googleCloudConfig.CredentialsPath;
Log.Information("Instantiates a client, cred {CredPath}", credPath);
var clientBuilder = new ImageAnnotatorClientBuilder
{
CredentialsPath = credPath
};
var client = clientBuilder.Build();
return(client);
}
private static ImageAnnotatorClient MakeClient()
{
var credPath = BotSettings.GoogleCloudCredentialsPath.SanitizeSlash();
Log.Information($"Instantiates a client, cred {credPath}");
var clientBuilder = new ImageAnnotatorClientBuilder
{
CredentialsPath = credPath
};
var client = clientBuilder.Build();
return(client);
}
private static ImageAnnotatorClient MakeClient()
{
var credPath = BotSettings.GoogleCloudCredentialsPath.SanitizeSlash();
Log.Information("Instantiates a client, cred {CredPath}", credPath);
var clientBuilder = new ImageAnnotatorClientBuilder
{
CredentialsPath = credPath
};
var client = clientBuilder.Build();
VideoIntelligenceService = new VideoIntelligenceServiceClientBuilder()
{
CredentialsPath = credPath
}.Build();
return(client);
}
static void GoogleVisionRequest(string path)
{
ImageAnnotatorClientBuilder builder = new ImageAnnotatorClientBuilder
{
CredentialsPath = @"C:\Users\d4gei\Workspace\ScanAndHoardData\scanandhoard-11700d373751.json"
};
ImageAnnotatorClient client = builder.Build();
var image = Image.FromFile(path);
TextAnnotation text = client.DetectDocumentText(image);
string fileName = path + ".txt";
using (StreamWriter writer = new StreamWriter(fileName))
{
writer.Write(text.Text);
}
Console.WriteLine($"Text: {text.Text}");
foreach (var page in text.Pages)
{
foreach (var block in page.Blocks)
{
string box = string.Join(" - ", block.BoundingBox.Vertices.Select(v => $"({v.X}, {v.Y})"));
Console.WriteLine($"Block {block.BlockType} at {box}");
foreach (var paragraph in block.Paragraphs)
{
box = string.Join(" - ", paragraph.BoundingBox.Vertices.Select(v => $"({v.X}, {v.Y})"));
Console.WriteLine($" Paragraph at {box}");
foreach (var word in paragraph.Words)
{
Console.WriteLine($" Word: {string.Join("", word.Symbols.Select(s => s.Text))}");
}
}
}
}
}
public static async Task <string> MakeOCRRequest(string imageFilePath)
{
string credentialsPath = Environment.GetEnvironmentVariable("GOOGLE_APPLICATION_CREDENTIALS");
var image = Image.FromFile(imageFilePath);
ImageAnnotatorClientBuilder builder = new ImageAnnotatorClientBuilder
{
CredentialsPath = credentialsPath
};
try
{
ImageAnnotatorClient client = builder.Build();
var response = await client.DetectTextAsync(image);
string contentString = response.ToString();
return(JToken.Parse(contentString).ToString());
}
catch (Exception e)
{
Console.WriteLine("\n" + e.Message);
return("error");
}
}
