public List <OcrResults> Process(TextRecognitionSettings settings)
{
var results = new List <OcrResults>();
foreach (var page in _pdfPages)
{
results.AddRange(page.Process(settings));
}
return(results);
}
public List <OcrResults> Process(TextRecognitionSettings settings)
{
var results = new List <OcrResults>();
if (settings.IsBinarizationEnable)
{
Binarize();
}
if (settings.IsNoiseRemovalEnable)
{
RemoveNoise();
}
if (settings.IsContrastAdjusmentEnable)
{
AdjustContrast();
}
if (settings.IsRotationEnable)
{
var angle = PredictTurningAngle();
if (angle != 0)
{
Rotate(angle);
}
}
OcrImage(OcrEngines.Tesseract);
if (settings.IsRotationEnable && !IsOCRedTextValid())
{
Rotate(180);
OcrImage(OcrEngines.Tesseract);
}
var paragraphs = TextHelper.SplitTextIntoParagraphs(_ocredText);
for (var i = 0; i < paragraphs.Length; i++)
{
if (settings.IsWordsCorrectionEnable)
{
paragraphs[i] = CorrectOCRedText(@"Resources\EnglishDictionary.json", paragraphs[i]);
}
string[] typeKeyWords = new string[0];
if (settings.IsTypeRecognitionEnable)
{
var type = PredictType();
typeKeyWords = GetSpecialTypeKeyWords(type);
}
var ocrResult = new OcrResults {
FileName = _inputFileName
};
if (settings.KeyWords.Length > 0)
{
ocrResult.KeyWords = WordsFinder.GetCountedKeyWordsFromText(paragraphs[i], settings.KeyWords);
}
if (typeKeyWords.Length > 0)
{
var foundTypeKeyWords = WordsFinder.GetCountedKeyWordsFromText(paragraphs[i], typeKeyWords);
if (string.IsNullOrEmpty(ocrResult.KeyWords))
{
ocrResult.KeyWords = foundTypeKeyWords;
}
else
{
ocrResult.KeyWords += foundTypeKeyWords;
}
}
if (settings.KeyWords.Length > 0 && string.IsNullOrEmpty(ocrResult.KeyWords))
{
continue;
}
else
{
ocrResult.OcredText = paragraphs[i];
}
results.Add(ocrResult);
}
return(results);
}
