private FormRecognitionEngine SetupRecognitionEngine() { FormRecognitionEngine recognitionEngine = null; IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false); ocrEngine.Startup(null, null, null, null); try { if (recognitionEngine == null) { recognitionEngine = new FormRecognitionEngine(); } //Add appropriate object managers to recognition engine recognitionEngine.ObjectsManagers.Clear(); //if (_menuItemDefaultManager.Checked) //{ // DefaultObjectsManager defaultObjectManager = new DefaultObjectsManager(); // recognitionEngine.ObjectsManagers.Add(defaultObjectManager); //} //if (_menuItemOCRManager.Checked && ocrEngine.IsStarted) //{ OcrObjectsManager ocrObejectManager = new OcrObjectsManager(ocrEngine); ocrObejectManager.Engine = ocrEngine; recognitionEngine.ObjectsManagers.Add(ocrObejectManager); //} //if (_menuItemBarcodeManager.Checked && barcodeEngine != null) //{ // BarcodeObjectsManager barcodeObjectManager = new BarcodeObjectsManager(barcodeEngine); // barcodeObjectManager.Engine = barcodeEngine; // recognitionEngine.ObjectsManagers.Add(barcodeObjectManager); //} } catch (Exception exp) { //Messager.ShowError(this, exp); throw; } return(recognitionEngine); }
private void StartUpOcrEngine() { try { OcrEngine = OcrEngineManager.CreateEngine(EngineType, true); OcrEngine.Startup(null, null, null, null); CleanUpOcrEngine = OcrEngineManager.CreateEngine(EngineType, true); CleanUpOcrEngine.Startup(null, null, null, null); //Add an OCRObjectManager to the recognition engines //ObjectManager collection OcrObjectsManager ocrObjectsManager = new OcrObjectsManager(OcrEngine); ocrObjectsManager.Engine = OcrEngine; RecognitionEngine.ObjectsManagers.Add(ocrObjectsManager); } catch (Exception exp) { ShowError(exp); throw; } }
public static void TestOcr2() { string BaseFolder = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location); try { string[] masterFileNames = Directory.GetFiles(BaseFolder, "2*.tif", SearchOption.AllDirectories); //Get master form filenames //You may need to update the below path to point to the "Leadtools Images\Forms\MasterForm Sets\OCR" directory. FormRecognitionEngine recognitionEngine = new FormRecognitionEngine(); RasterCodecs codecs; //Create the OCR Engine to use in the recognition IOcrEngine formsOCREngine; codecs = new RasterCodecs(); //Create a LEADTOOLS OCR Module - LEAD Engine and start it formsOCREngine = OcrEngineManager.CreateEngine(OcrEngineType.OmniPage, false); //formsOCREngine.Startup(codecs, null, null, @"C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime"); formsOCREngine.Startup(codecs, null, null, null); //Add an OCRObjectManager to the recognition engines //ObjectManager collection OcrObjectsManager ocrObjectsManager = new OcrObjectsManager(formsOCREngine); ocrObjectsManager.Engine = formsOCREngine; recognitionEngine.ObjectsManagers.Add(ocrObjectsManager); var binFiles = new List <string>(); foreach (string masterFileName in masterFileNames) { string formName = Path.GetFileNameWithoutExtension(masterFileName); //Load the master form image RasterImage image = codecs.Load(masterFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, -1); //Create a new master form FormRecognitionAttributes masterFormAttributes = recognitionEngine.CreateMasterForm(formName, Guid.Empty, null); for (int i = 0; i < image.PageCount; i++) { image.Page = i + 1; //Add the master form page to the recognition engine recognitionEngine.AddMasterFormPage(masterFormAttributes, image, null); } //Close the master form and save it's attributes recognitionEngine.CloseMasterForm(masterFormAttributes); var binFile = formName + "_runtime.bin"; File.WriteAllBytes(binFile, masterFormAttributes.GetData()); binFiles.Add(binFile); } logger.Info("Master Form Processing Complete {0}", "Complete"); //For this tutorial, we will use the sample W9 filled form. //You may need to update the below path to point to "\LEADTOOLS Images\Forms\Forms to be Recognized\OCR\W9_OCR_Filled.tif". if (true) { string formToRecognize = Path.Combine(BaseFolder, "13984799_02.png"); RasterImage image = codecs.Load(formToRecognize, 0, CodecsLoadByteOrder.BgrOrGray, 1, -1); //Load the image to recognize FormRecognitionAttributes filledFormAttributes = recognitionEngine.CreateForm(null); for (int i = 0; i < image.PageCount; i++) { image.Page = i + 1; //Add each page of the filled form to the recognition engine recognitionEngine.AddFormPage(filledFormAttributes, image, null); } recognitionEngine.CloseForm(filledFormAttributes); string resultMessage = "The form could not be recognized"; //Compare the attributes of each master form to the attributes of the filled form foreach (string masterFileName in binFiles) { FormRecognitionAttributes masterFormAttributes = new FormRecognitionAttributes(); masterFormAttributes.SetData(File.ReadAllBytes(masterFileName)); FormRecognitionResult recognitionResult = recognitionEngine.CompareForm(masterFormAttributes, filledFormAttributes, null); //In this example, we consider a confidence equal to or greater //than 90 to be a match if (recognitionResult.Confidence >= 90) { resultMessage = String.Format("This form has been recognized as a {0}", Path.GetFileNameWithoutExtension(masterFileName)); break; } } logger.Info(resultMessage, "Recognition Results"); } } catch (Exception ex) { logger.Info(ex.Message); throw; } }