public static IEnumerable <CvBlob> DetectAndFilterBlobs(Image <Gray, byte> img, int min, int max)
{
CvBlobs blobs = new CvBlobs();
PerThreadUtils.GetBlobDetector().Detect(img, blobs);
blobs.FilterByArea(min, max);
return(blobs.Values);
}
public static string ReadTextFromImage(Image <Gray, byte> img, DebugState debugState)
{
debugState.Add(img);
var ocr = PerThreadUtils.GetTesseract();
ocr.SetImage(img);
ocr.Recognize();
var str = "";
foreach (var c in ocr.GetCharacters())
{
str += c.Text.Trim().ToUpper();
}
str = str.Replace("'", "").Replace(".", "").Replace("‘", "").Replace("’", "").Replace("\"", "").Replace(",", "").Replace(":", "");
return(str);
}