public BitmapSource Apply(BitmapSource image)
{
using (var r = image.ToRasterImage())
{
new DeskewCommand() { Flags = DeskewCommandFlags.RotateBicubic }.Run(r);
return r.ToBitmapSource();
}
}
public BitmapSource Apply(BitmapSource image)
{
using (var r = image.ToRasterImage())
{
new AutoColorLevelCommand { Type = AutoColorLevelCommandType.Contrast }.Run(r);
new AutoBinarizeCommand { Factor = 2 }.Run(r);
new MedianCommand(2).Run(r);
return r.ToBitmapSource();
}
}
private IEnumerable<RecognitionResult> RecognizeCore(ZoneConfiguration config, BitmapSource bmp)
{
using (var page = OcrEngine.CreatePage(bmp.ToRasterImage(), OcrImageSharingMode.AutoDispose))
{
var ocrZone = CreateOcrZoneForField(bmp, config);
page.Zones.Add(ocrZone);
page.Recognize(null);
var text = page.GetText(0);
var confidence = GetConfidence(page);
var filteredText = config.TextualDataFilter.GetBestMatchFromRaw(text);
yield return new RecognitionResult(filteredText, confidence);
}
}
public BitmapSource Apply(BitmapSource image)
{
var raster = image.ToRasterImage();
new AutoColorLevelCommand().Run(raster);
return raster.ToBitmapSource();
}
public BitmapSource Apply(BitmapSource image)
{
var raster = image.ToRasterImage();
new HistogramContrastCommand() { Contrast = 1000 }.Run(raster);
return raster.ToBitmapSource();
}
