private string ExtractBestTextCandidate(IImage bitmap, ITextualDataFilter filter, Symbology symbology)
{
var page = Engine.Recognize(bitmap, RecognitionConfiguration.FromSingleImage(bitmap, filter, symbology));
var zone = page.RecognizedZones.First();
return(zone.RecognitionResult.Text);
}
public string Extract(IImage bitmap, ITextualDataFilter filter, Symbology symbology)
{
var sut = GetSut();
var recognizedPage = sut.Recognize(bitmap, RecognitionConfiguration.FromSingleImage(bitmap, filter, symbology));
var uniqueZone = recognizedPage.RecognizedZones.First();
return uniqueZone.RecognitionResult.Text;
}
public void EmptyBitmapGivesEmptyResult()
{
var sut = GetSut();
var numericStringFilter = new NumericStringFilter {
MinLength = 6, MaxLength = 6
};
var bmp = GetEmptyBitmap();
var recognizedPage = sut.Recognize(bmp, RecognitionConfiguration.FromSingleImage(bmp, numericStringFilter, Symbology.Barcode));
var recognitionResult = recognizedPage.RecognizedZones.First().RecognitionResult;
Assert.Null(recognitionResult.Text);
}
public void MemoryTest()
{
var sut = GetSut();
var bitmapSource = LoadImage($"Images\\Barcodes\\Numeric\\802492.jpg");
var numericStringFilter = new NumericStringFilter {
MinLength = 6, MaxLength = 6
};
var recognizedPage = sut.Recognize(
bitmapSource,
RecognitionConfiguration.FromSingleImage(bitmapSource, numericStringFilter, Symbology.Text));
dotMemory.Check(
memory =>
{
Assert.Equal(0, memory.GetObjects(where => where.Type.Is <OcrPage>()).ObjectsCount);
Assert.Equal(0, memory.GetObjects(where => where.Type.Is <RasterImage>()).ObjectsCount);
});
}