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);
});
}
private IEnumerable<RecognizedZone> GetRecognizedZones(BitmapSource bitmap, RecognitionConfiguration configuration)
{
foreach (var zoneConfiguration in configuration.Zones)
{
var applicableEngines = engines.Where(e => IsValidTarget(zoneConfiguration, e)).ToList();
var zoneBitmap = ImagingContext.BitmapOperations.Crop(bitmap, zoneConfiguration.Bounds);
zoneBitmap.Freeze();
if (applicableEngines.Any())
{
var resultsFromAllEngines = from engine in applicableEngines
select engine.Recognize(zoneBitmap, zoneConfiguration);
var flatResults = resultsFromAllEngines.SelectMany(t => t);
var result = OpticalResultSelector.ChooseBest(flatResults, zoneConfiguration);
yield return new RecognizedZone(zoneBitmap, zoneConfiguration, result);
}
}
}
private IEnumerable <RecognizedZone> GetRecognizedZones(IImage bitmap, RecognitionConfiguration configuration)
{
foreach (var zoneConfiguration in configuration.Zones)
{
var applicableEngines = engines.Where(e => IsValidTarget(zoneConfiguration, e)).ToList();
var zoneBitmap = ImagingContext.BitmapOperations.Crop(bitmap, zoneConfiguration.Bounds);
//var zoneBitmap = bitmap;
if (applicableEngines.Any())
{
var resultsFromAllEngines = from engine in applicableEngines
select engine.Recognize(zoneBitmap, zoneConfiguration);
var flatResults = resultsFromAllEngines.SelectMany(t => t).ToList();
var result = OpticalResultSelector.ChooseBest(flatResults, zoneConfiguration);
yield return(new RecognizedZone(zoneBitmap, zoneConfiguration, result));
}
}
}
public RecognizedPage Recognize(IImage image, RecognitionConfiguration configuration)
{
var results = GetRecognizedZones(image, configuration).ToList();
return(new RecognizedPage(image, results));
}
internal static extern pxcmStatus PXCMFaceConfiguration_RecognitionConfiguration_SetStorageDesc(IntPtr instance, String storageName, RecognitionConfiguration.RecognitionStorageDesc storage);
internal static pxcmStatus CreateStorageINT(IntPtr instance, String storageName, out RecognitionConfiguration.RecognitionStorageDesc outStorage)
{
outStorage = new RecognitionConfiguration.RecognitionStorageDesc();
return PXCMFaceConfiguration_RecognitionConfiguration_CreateStorage(instance, storageName, outStorage);
}
internal static pxcmStatus QueryActiveStorageINT(IntPtr instance, out RecognitionConfiguration.RecognitionStorageDesc outStorage)
{
outStorage = new RecognitionConfiguration.RecognitionStorageDesc();
return PXCMFaceConfiguration_RecognitionConfiguration_QueryActiveStorage(instance, outStorage);
}
public RecognizedPage Recognize(BitmapSource image, RecognitionConfiguration configuration)
{
var results = GetRecognizedZones(image, configuration).ToList();
return new RecognizedPage(image, results);
}
