private async Task <GoogleOcrResult> DoOcr(Stream imageAsStream, FileFormatEnum fileFormatEnum, DateTime start)
{
try
{
var preprocessedResult = _ocrPreProcessing.AjustOrientationAndSize(imageAsStream, fileFormatEnum);
using (var stream = preprocessedResult.ImageFileStream)
{
var builder = new ImageAnnotatorClientBuilder {
JsonCredentials = File.ReadAllText(_configurations.CredentialsJsonFile)
};
var client = await builder.BuildAsync();
var img = await Image.FromStreamAsync(stream);
var textAnnotations = await client.DetectTextAsync(img);
var rawGoogleOcrResult = RawGoogleOcrResult.CreateFrom(textAnnotations.ToList());
var content = _googleOcrParser.Execute(rawGoogleOcrResult, preprocessedResult.NewImageHeight,
preprocessedResult.NewImageWidth);
return(GoogleOcrResult.CreateSuccessResult(DateTime.Now.Subtract(start), content, rawGoogleOcrResult));
}
}
catch (Exception e)
{
return(GoogleOcrResult.CreateErrorResult(DateTime.Now.Subtract(start), e));
}
}
private async Task <AzureOcrResult> DoOcr(Stream imageAsStream, FileFormatEnum fileFormatEnum, DateTime start)
{
try
{
var preprocessedResult = _ocrPreProcessing.AjustOrientationAndSize(imageAsStream, fileFormatEnum);
using (var stream = preprocessedResult.ImageFileStream)
{
ValidateImageProportions(preprocessedResult.NewImageHeight, preprocessedResult.NewImageWidth);
var rawAzureOcrResult = await _azureVisionApi.Execute(stream);
var content = _azureOcrParser.Execute(rawAzureOcrResult, preprocessedResult.NewImageHeight,
preprocessedResult.NewImageWidth);
return(AzureOcrResult.CreateSuccesResult(DateTime.Now.Subtract(start), content, rawAzureOcrResult));
}
}
catch (Exception e)
{
return(AzureOcrResult.CreateErrorResult(DateTime.Now.Subtract(start), e));
}
}
private async Task <GoogleOcrResult> DoOcr(Stream imageAsStream, FileFormatEnum fileFormatEnum, DateTime start)
{
try
{
var preprocessedResult = _ocrPreProcessing.AjustOrientationAndSize(imageAsStream, fileFormatEnum);
using (var stream = preprocessedResult.ImageFileStream)
{
using (var service = VisionService())
{
var entries = await service.RecognizeTextAsync(stream);
var rawGoogleOcrResult = RawGoogleOcrResult.CreateFrom(entries);
var content = _googleOcrParser.Execute(rawGoogleOcrResult, preprocessedResult.NewImageHeight,
preprocessedResult.NewImageWidth);
return(GoogleOcrResult.CreateSuccessResult(DateTime.Now.Subtract(start), content, rawGoogleOcrResult));
}
}
}
catch (Exception e)
{
return(GoogleOcrResult.CreateErrorResult(DateTime.Now.Subtract(start), e));
}
}