Fr Engine 11 User Guide

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  USER’S GUIDE   ABBYY FineReader Engine 11 for Linux: Table of Contents 1 Table of Contents Introducing ABBYY FineReader Engine 11 ................................................... 19   Basic Usage Scenarios Overview .............................................................................................. 20   Key Features ......................................................................................................................... 23   Document Scanning and Image Import ............................................................................... 25    Image Preprocessing ........................................................................................................ 25    Document Analysis ........................................................................................................... 28    OCR and Other Recognition Technologies ........................................................................... 29    PDF Conversion ................................................................................................................ 32     Advanced Development Tools ............................................................................................ 35    Receiving and Exporting Recognized Text ........................................................................... 36    Benefits ................................................................................................................................ 37   Short Specifications ................................................................................................................ 37   Getting Started ...................................................................................................................... 38   Guided Tour ................................................................................................. 39   Basic Usage Scenarios Implementation ..................................................................................... 39   Document Conversion ....................................................................................................... 40    Document Archiving ......................................................................................................... 44    Book Archiving ................................................................................................................. 49    Text Extraction ................................................................................................................ 53    Field-Level Recognition ..................................................................................................... 58    Barcode Recognition ......................................................................................................... 62    Business Card Recognition................................................................................................. 65    Document Classification .................................................................................................... 68    Image Preprocessing ........................................................................................................ 71    Advanced Techniques ............................................................................................................. 75   Programming Aspects ....................................................................................................... 76    Error Handling ................................................................................................................. 77    Working with Properties .................................................................................................... 77    Working with Collections ................................................................................................... 80    Working with Connectable Objects ..................................................................................... 82    Working with Profiles ........................................................................................................ 83    Tuning Parameters of Page Preprocessing, Analysis, Recognition, and Synthesis ..................... 86    Tuning Export Parameters ................................................................................................. 88    Working with Images ........................................................................................................ 89    Working with Languages ................................................................................................... 92    Working with Layout and Blocks......................................................................................... 94    Working with Text ............................................................................................................ 96    Working with the Logical Structure of a Document ............................................................... 98    Iterating Document Pages and Elements of Logical Structure .............................................. 103    Using Voting API ............................................................................................................ 105    Using Text Type Autodetection ........................................................................................ 107    Recognizing Barcodes ..................................................................................................... 108    Recognizing Hieroglyphic Languages ................................................................................ 111   Working with Dictionaries ................................................................................................ 113    Working with ABBYY FineReader Engine Regular Expressions .............................................. 116      ABBYY FineReader Engine 11 for Linux: Table of Contents 2 Recognizing Words with Spaces ....................................................................................... 118    Best Practices ...................................................................................................................... 120   Tips for Document Scanning ............................................................................................ 120    Tips for Taking Photos .................................................................................................... 121   Improving Recognition Quality ......................................................................................... 123    Increasing Processing Speed ........................................................................................... 125    Description of the ABBYY FineReader Engine Samples .............................................................. 126    API Reference ............................................................................................ 127    ABBYY FineReader Engine 11 Object Diagram ......................................................................... 128    Alphabetical List of the ABBYY FineReader Engine 11 Objects and Interfaces .............................. 128   Functions ............................................................................................................................ 137   GetEngineObject Function ............................................................................................... 137    GetEngineObjectEx Function ............................................................................................ 139    DeinitializeEngine Function .............................................................................................. 141   Engine Object (IEngine Interface) .......................................................................................... 141   ConvertLanguageIdToLCID Method of the Engine Object .................................................... 142    ConvertLCIDToLanguageId Method of the Engine Object .................................................... 143    CreateEmptyUserPattern Method of the Engine Object ....................................................... 143    CreateFRDocumentFromImage Method of the Engine Object ............................................... 143    CreateMultipageImageWriter Method of the Engine Object.................................................. 144    CreateRectangle Method of the Engine Object ................................................................... 145    Creation Methods of the Engine Object ............................................................................. 145    ExportPage Method of the Engine Object .......................................................................... 146    ExportPagesEx Method of the Engine Object ..................................................................... 147    GetAvailableLicenses Method of the Engine Object ............................................................. 148    GetNumberOfPagesInImageFile Method of the Engine Object .............................................. 148    IsPdfWithTextualContent Method of Engine Object ............................................................. 149    LoadImageDoc Method of the Engine Object ..................................................................... 150    LoadImageDocFromFile Method of the Engine Object ......................................................... 150    LoadImageDocFromMemory Method of the Engine Object .................................................. 151   LoadModule Method of the Engine Object ......................................................................... 151   LoadPredefinedProfile Method of the Engine Object............................................................ 152    LoadProfile Method of the Engine Object........................................................................... 155    MergePatterns Method of the Engine Object ...................................................................... 156    OpenClassificationEtalon Method of the Engine Object ........................................................ 156    OpenClassificationTrainer Method of the Engine Object ...................................................... 157    OpenImageFile Method of Engine Object .......................................................................... 157    OpenImageFileFromMemory Method of the Engine Object .................................................. 158    PrepareImageFile Method of the Engine Object ................................................................. 159    ProcessPage Method of the Engine Object ......................................................................... 161   ProcessPagesEx Method of the Engine Object .................................................................... 161   RecognizeImageFile Method of the Engine Object .............................................................. 162    RestartLicensing Method of the Engine Object ................................................................... 163    SetCurrentLicense Method of the Engine Object ................................................................. 164    SetLicensingConnectionRecoveryCallback Method of the Engine Object ................................ 164    StartLogging Method of the Engine Object ........................................................................ 165    StopLogging Method of the Engine Object ......................................................................... 165    SynthesizePagesEx Method of the Engine Object ............................................................... 166      ABBYY FineReader Engine 11 for Linux: Table of Contents 3 TrainUserPattern Method of the Engine Object .................................................................. 166    Properties of the Engine Object........................................................................................ 167    Creation Methods of the Engine Object ............................................................................. 169    Supplementary Methods of the Engine Object.................................................................... 171   Processing Methods of the Engine Object .......................................................................... 172    IEngineLoader Interface .................................................................................................. 173    ExplicitlyUnload Method of the IEngineLoader Interface ...................................................... 173    GetEngineObject Method of the IEngineLoader Interface .................................................... 173    GetEngineObjectEx Method of the IEngineLoader Interface ................................................. 174    Image-Related Objects ......................................................................................................... 175   ImageDocument Object (IImageDocument Interface) ........................................................ 176    ChangeResolution Method of the ImageDocument Object ................................................... 181   CorrectSkew Method of the ImageDocument Object ........................................................... 182    CropImage Method of the ImageDocument Object ............................................................. 182    DescreenImage Method of the ImageDocument Object ...................................................... 183    DitherImage Method of the ImageDocument Object ........................................................... 183    EnhanceLocalContrast Method of the ImageDocument Object ............................................. 183    EqualizeBrightness Method of the ImageDocument Object .................................................. 184    EvenBrightness Method of the ImageDocument Object ....................................................... 185    GetTextBackgroundColor Method of the ImageDocument Object ......................................... 185    Modify Method of the ImageDocument Object ................................................................... 186    RemoveCameraBlur Method of the ImageDocument Object................................................. 187    RemoveColorObjects Method of the ImageDocument Object ............................................... 187    RemoveGarbage Method of the ImageDocument Object ..................................................... 188    RemoveMotionBlur Method of the ImageDocument Object .................................................. 188    RemoveNoise Method of the ImageDocument Object ......................................................... 189    SaveImageRegionTo Method of the ImageDocument Object ............................................... 189    SaveModified Method of the ImageDocument Object .......................................................... 190    SaveTo Method of the ImageDocument Object .................................................................. 190    SaveToFile Method of the ImageDocument Object ............................................................. 190    SaveToMemory Method of the ImageDocument Object ....................................................... 191   SmoothImage Method of the ImageDocument Object ........................................................ 191   SmoothTexture Method of the ImageDocument Object ....................................................... 192    SubtractColor Method of the ImageDocument Object ......................................................... 192    SuppressColorObjects Method of the ImageDocument Object .............................................. 193    Transform Method of the ImageDocument Object .............................................................. 193    IImageDocumentEvents Interface .................................................................................... 194    TransformationMade Method of the IImageDocumentEvents Interface ................................. 195    Image Object (IImage Interface) ..................................................................................... 195    WriteToFile Method of the Image Object ........................................................................... 196    ImageProcessingParams Object (IImageProcessingParams Interface) .................................. 197    PrepareImageMode Object (IPrepareImageMode Interface) ................................................ 198    JpegExtendedParams Object (IJpegExtendedParams Interface) ........................................... 203    ImageModification Object (IImageModification Interface) ................................................... 204     AddClipRegion Method of the ImageModification Object ..................................................... 205     AddInvertRegion Method of the ImageModification Object .................................................. 206     AddPaintRegion Method of the ImageModification Object.................................................... 206     AddRemoveGarbageRegion Method of the ImageModification Object ................................... 207   
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