// Extract Text Line by Lines
private string ExtractTextByRegions(OCRText ocrOutput)
{
string resultText = String.Empty;
foreach (Region ereg in ocrOutput.Regions)
{
resultText += string.Join("\n", from WLine sline in ereg.Lines
from Word sword in sline.Words
select(string) sword.Text);
}
return(resultText);
}
// Extract Text & Text Regions
private void ExtractTextAndRegionsFromResponse()
{
var response = JObject.Parse(OCRResponse);
OCRText ocrOutput = JsonConvert.DeserializeObject <OCRText>(OCRResponse);
foreach (Region ereg in ocrOutput.Regions)
{
// Draw rectangles for the regions
CreateRectangle("region", ereg.BoundingBox, _regionColor);
foreach (WLine sline in ereg.Lines)
{
// Draw rectangles for the lines
CreateRectangle("line", sline.BoundingBox, _lineColor);
foreach (Word sword in sline.Words)
{
// Draw rectangles for the words
CreateImageLabelsAndRectangle(sword.BoundingBox, sword.Text);
}
}
}
// Visibility check for the bounding box layers
if (regionVis)
{
canvasRegions.Visibility = Visibility.Visible;
}
if (lineVis)
{
canvasLines.Visibility = Visibility.Visible;
}
if (wordVis)
{
canvasWords.Visibility = Visibility.Visible;
}
if (textVis)
{
canvasText.Visibility = Visibility.Visible;
}
// Visibility check for text output
stckOutput.Visibility = Visibility.Visible;
txtOcrOutput.Text = ExtractTextByRegions(ocrOutput);
//Search key-value pairs if keys are defined in Settings.
if (!string.IsNullOrEmpty(searchKeys))
{
ExtractKeyValuePairs(ocrOutput.Regions);
}
}
