3-Heights™ PDF OCR Import Shell, User Manual
Contents
1. TOOLS COM Premium PDF Technology 3 Heights OCR Import Shell Version 4 5 User Manual Contact pdfsupport pdf tools com Owner PDF Tools AG Kasernenstrasse 1 8184 Bachenb lach Switzerland http www pdf tools com Copyright 2001 2015 3 Heights PDF OCR Import Shell Version 4 5 Page 2 of 13 July 1 2015 Table of Contents 1 Introduction zzuuanunnanannanannanannanannanunnanunnanannanannanannanannanannanannanannanannanen 3 1 1 Descriptions fee tices teres ed Li ete a me eee eee dea 3 1 2 FUNCIONS see ee ELE 3 Features EDEN 3 1 3 About pdfocr exe ninio nLite 3 2 Installation zuunuanunnanannannnnanannnnunnanannanunnanannanannanannanannanannanannanannanannanen 4 3 License Management zznuanunnanannanunnanannannnnanannanannanannanunnanannanannanunnannnn 5 3 1 Graphical License Manager Tool zurssrerannennn nennen ernennen ernennen enne 5 List all installed license keys 2usessurerannennnnennnnnnnn nun nenn nenn nennen nenne nenne nennen 5 Add and delete license keys uussunennennennennennn nen nn nn een nenne nnn nennen nen nnns 5 Display the properties of a license unensennennennennennennnnennennenn nenne nnnnnnnnen nnns 6 Select between different license keys for a single product sussssus 6 3 2 Command Line License Manager Tool srur srernn nenne nenne nenne nenne nennen nenn 6 List all installed license keys2. not de skew original image with ocs only This option specifies whether the image and text are de skewed according to the recognized skew angle PDF Tools AG Premium PDF Technology ocd oct ocb oca 3 Heights PDF OCR Import Shell Version 4 5 Page 11 of 13 July 1 2015 With option oci Do not change skew of images i e do not change appearance of the page This setting is recommended for born digital documents Without option oci Rotate image such that lines of text are made horizontal This might change the appearance of the page This setting is recommended for scanned documents Resolution for OCR Recognition Resample images to target resolution before they are sent to the OCR engine If no value is set images are re sampled to 300 dpi for OCR which is the preferred resolution for most OCR engines Threshold Resolution for OCR Only images with a higher resolution than the threshold are re sampled before OCR The default is 400 dpi If set to 1 no re sampling is applied Examples Resample all images with a resolution of more than 300 dpi to 300 dpi ocd 300 oct I Resample all images with a resolution of 400 dpi or more to 300 dpi default ocd 300 oct 400 Do not resample octcE T Compatibility Note Initially this switch was called ocD and then renamed to oct to avoid confusions with the switch ocd Convert images to bitonal before OCR recognition Specifiy whether the
3. ocr abbyy input pdf output pdf See also documentation for the 3 Heights OCR Add On Set OCR Language In order to optimize the performance of the OCR engine it can be given hints what languages are used The default language of the Abbyy FineReader OCR Engine is English This switch can only be used if the switch ocr is set Example Set the OCR languages to English and German pdfocr ocr abbyy ocl English German input pdf output pdf See also documentation for the 3 Heights OCR Add On Set OCR Parameters Using this switch OCR engine specific parameters key value pairs can be set to optimize the performance Example Enable the balanced mode to improve the speed and do not detect whether text is bold or not pdfocr ocr abbyy ocp BalancedMode TRUE DetectBold FALSE input pdf output pdf See also documentation for the 3 Heights OCR Add On Do not use OCR image The OCR engine de skews and de noises the input image before recognizing the characters This option controls whether the 3 Heights PDF OCR Import Shell should use the de skewed image or keep the original image With option ocs Embed the original image also see option oci This setting is recommended for born digital documents eWithout option ocs Embed the de skewed and de noised image from the OCR engine This might change the appearance of the page This setting is recommended for scanned documents Do Not Deskew Original Image Do
4. 11 p Set the Permission Flags aan 12 pw Password to read encrypted input File ccececeee eee ee eee nn nennen nennen 12 u Set User PasswOEFd oio dei esi ded dubai ERR ADR ERR RA LEE TR LISTE ae 12 V Verbose Mode en er ai 12 Hik Set License Key seco m a ran 13 PDF Tools AG Premium PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 3 of 13 July 1 2015 1 Introduction 1 1 Descriptions The 3 Heights OCR Enterprise Add On compliments several 3 Heights products with a high performance optical character recognition OCR function There are no page limits Even large archives can be quickly and reliably converted into PDF or PDF A Files that can be searched in full text Multiple languages are supported Together with the corresponding basic product the add on ensures a reliable OCR functionality 1 2 Functions The 3 Heights OCR Enterprise Add On is an OCR module which is used as an option with several 3 Heights products Based on the ABBYY FineReader Engine it recognizes text contents and embeds these as Unicode Text in the PDF and PDF A File This makes the PDF files full text searchable Numerous options in image manipulation image pre processing and text recognition allow a recognition process ideally coordinated to your needs Almost 200 languages are supported almost 50 languages are supported by dictionaries and morphologic tools Features e Recognition of machine genera
5. AG Premium PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 6 of 13 July 1 2015 Display the properties of a license If a license is selected in the license list its properties are displayed in the right pane of the window Select between different license keys for a single product More than one license key can be installed for a specific product The checkbox on the left side in the license list marks the currently active license key 3 2 Command Line License Manager Tool The command line license manager tool icmgr is available in the bin directory for all platforms except Windows A complete description of all commands and options can be obtained by running the program without parameters licmgr List all installed license keys liemgr list The currently active license for a specific product is marked with a star on the left side Add and delete license keys Install new license key licmgr store X XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX Delete old license key licmgr delete X XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX Both commands have the optional argument s that defines the scope of the action e g For all users e u Current user Select between different license keys for a single product licmgr select X XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX 3 3 License Key Storage Depending on the platform the license management system uses different stores for the license keys PDF Tools AG Premi
6. dd Ons does not necessarily mean the OCR engine is PDF Tools AG Premium PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 8 of 13 July 1 2015 installed and ready How the OCR engine is installed is described in the documentation ocre pdf Once the name e g abbyy is known it is provided as argument to the switch ocr The command following example is the basic command to apply OCR to a document i e the input document input pdf is read OCR is applied and the resulting ocr ed document is saved as output pdf Example Set the OCR engine to the Abbyy FineReader 8 OCR Engine pdfocr ocr abbyylO input pdf output pdf Additional OCR engine dependant settings or settings related to encryption are described in the chapter Reference Manual PDF Tools AG Premium PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 9 of 13 July 1 2015 Reference Manual Switches 0 ocr List available OCR Engines OCR engines are accessed through the corresponding OCR interface DLLs ocr At present the following OCR engines are supported e ABBYY FineReader 8 e ABBYY FineReader 10 e OCR Service using either ABBYY FineReader 8 or 10 e Tesseract The OCR interface DLL is provided by the 3 Heights Image to PDF Converter Shell The OCR engine is provided as a separate product 3 Heights OCR Enterprise Add On In order to make use of the OCR engine the OCR inte
7. e Manager Tool The GUI tool LicenseManager exe is located in the bin directory of the product kit n amp PDF Tools License Ma File Edit Help X G5 Add Key Delete Refresh List All Users Curent User License Properties 3 Heights TM Document Converter amp Name Value V M 0 10A0M TARF a a Key 0 J0A94 RRL Luz 7 M 0 BCASN VTJE SOT LA FOREN Product 3 Heights TM Image 3 Heights TM Image to PDF Converter API af Intended Use Productive 7 0 JOA94 Ninian nil aka 8 BIER Y Platform Windows 3 Heights TM Image to PDF Converter Service Volume m Page s iiss V A 0 1CA0 XTCRH TIC OMBRA v Expiration Does not expire Y Maintainance Expiration 2033 12 31 2 Uniaht TRA Tmaan ta ANE Fam netar Chall List all installed license keys The license manager always shows a list of all installed license keys on the left pane of the window This includes licenses of other PDF Tools products The user can choose between e Licenses available for all users Administrator rights are needed for modifications e Licenses available for the current user only Add and delete license keys License keys can be added or deleted with the Add Key and Delete buttons in the toolbar e The Add key button installs the license key into the currently selected list e The Delete button deletes the currently selected license keys PDF Tools
8. images should be converted to bi tonal black and white before OCR recognition Enabling this feature can improve the memory consumption of the OCR process It is suggested to use this option when using ABBYY 8 or Tesseract Enabling this feature automatically re embeds the original images in the output document The option ocs is therefore implied Rotate the image according to the detected angle The OCR engine may detect that an image needs to be rotated in order to have the text in an up right position If this is the case and this switch is used then the original image is replaced by the rotated image ocbc Embed barcodes Embed the recognized barcodes in the XMP metadata PDF Tools AG Premium PDF Technology P u V 3 Heights PDF OCR Import Shell Version 4 5 Page 12 of 13 July 1 2015 Set the Permission Flags Set the permission flags It is only usable in combination with encrypted documents By default no permissions are granted The permissions that can be granted are listed in the table Permission Flags Table Permission Flags TT Description P low resolution printing modify the document e copy objects o add or modify annotations f form filling s support disabilities a assembling d high quality printing Example The following command sets the owner password to owner and the permission flags to allow printing in low resolution p and allow form filling f pdfoc
9. r o owner p pf input pdf output pdf Note that high quality printing d requires the low resolution printing p flag to be set as well pdfocr o owner p pd input pdf output pdf For further information about the permission flags see PDF Reference Manual section 3 5 2 Password to read encrypted input File If the input file is encrypted with a user password password required to open PDF document then either the user or the owner password must be provided or the document cannot be processed Set User Password Set a user password password will be required to open the PDF document Example Set the user password of the PDF document to user pdfocr u user input pdf output pdf Verbose Mode Enable the verbose mode to output more detailed information about the processing steps PDF Tools AG Premium PDF Technology Ik 3 Heights PDF OCR Import Shell Version 4 5 Page 13 of 13 July 1 2015 Set License Key Pass a license key to the application at runtime instead of installing it on the system PDF Tools AG Premium PDF Technology
10. rface DLL and the OCR engine must be installed The switch le lists all available OCR interface DLLs It does not verify the corresponding OCR engines are installed and can be initialized The OCR engine is loaded with the switch ocr pdfocr le List of available OCR engines abbyy abbyy10 service tesseract End of list Set Owner Password Set an owner password password will be required to modify the PDF document security settings such as permission flags or passwords Example Set the owner password to owner pdfocr o owner input pdf output pdf Select an OCR Engine If a PDF document has to be made fully text searchable even if the text is part of a raster image then the images which are contained in the PDF document must be run through an OCR engine With this switch the user can select an OCR engine e g PDF Tools AG Premium PDF Technology ocl ocp OCS oci 3 Heights PDF OCR Import Shell Version 4 5 Page 10 of 13 July 1 2015 Abbyy and instruct the tool to embed the recognized text as a hidden layer on top of the image If the add in is not found or the engine cannot be initialized because it is not installed or the license key is not valid then an error message is issued The name of the OCR engine can be retrieved using the switch le If the switch ocr is not used no OCR is applied Example Set the OCR engine to the Abbyy FineReader 8 OCR Engine pdfocr
11. ted texts e Recognition of typewriter scripts and barcodes 1D e Image manipulation e Image pre processing 1 3 About pdfocr exe The purpose of this tool is to use it in combination with an optical character recognition OCR engine to make PDF documents searchable by performing OCR on embedded images The PDF OCR Import Shell is part bundled with the product 3 Heights Image to PDF Converter Shell OCR related features are handled equally as in the Image to PDF Converter PDF Tools AG Premium PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 4 of 13 July 1 2015 Installation See manual 3 Heights Image to PDF Converter Shell www pdf tools com public downloads manuals i2ps pdf PDF Tools AG Premium PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 5 of 13 July 1 2015 License Management 3 1 There are three possibilities to pass the license key to the application 1 The license key is installed using the GUI tool Graphical user interface This is the easiest way if the licenses are managed manually It is only available on Windows 2 The license key is installed using the shell tool This is the preferred solution for all non Windows systems and for automated license management 3 The license key is passed to the application at runtime via the command line switch 1k property This is the preferred solution for OEM scenarios Graphical Licens
12. um PDF Technology 3 Heights PDF OCR Import Shell Version 4 5 Page 7 of 13 July 1 2015 Windows The license keys are stored in the registry e HKLM Software PDF Tools AG for all users e HKCU Software PDF Tools AG for the current user Mac OS X The license keys are stored in the file system e Library Application Support PDF Tools AG for all users e Library Application Support PDF Tools AG for the current user Unix Linux The license keys are stored in the file system e etc opt pdf tools for all users e pdf tools for the current user Note The user group and permissions of those directories are set explicitly by the license manager tool It may be necessary to change permissions to make the licenses readable for all users Example chmod R gotrx etc opt pdf tools Getting started and User s Guide After the PDF OCR Import Shell and the 3 Heights OCR Enterprise Add On are installed you can list the available OCR Add Ons to retrieve the name of the OCR engine using the command pdfocr le as shown below pdfocr le List of available OCR engines abbyy abbyy10 service tesseract End of list The list should contain the two entries above abbyy and service The entries in the list indicate the two Add Ons pdfocrpluginService ocr and pdfocrpluginAbbyy ocr are found The Add Ons are required to communicate with the actual OCR engine or service Being able to list the A
13. x Li 6 Add and delete license keys zu2snannnnnnnnnnnnnnnen nenne nennen nenne nemen nemen sene nnn 6 Select between different license keys for a single product sussssus 6 3 3 7 License Key Storage rex eet coke a Een 6 Me AH ET 7 MIEOSR v 7 UNIX A Eb Ss sets td euis ote edt ca Qaare er Opa arce OT n Nee PR ea 7 4 Getting started and User s Guide uz2 nanannanannanannanannanunnanannanannanan namen 7 5 Reference Manual uuzunanannanannanannanunnanannanunnanannanunnanunn ann nanannanunnanunnannnn 9 Bil Switches nU 9 le List available OCR Engines sse enin 9 0 Set Owner PassWOId rriaren Er aA 9 ocr Select an OCR ENGIN errien strons a ne aA Een Fa Eg ia 9 ocl Set OCR Language earran annan ec tances vend uscd se sdaecaerd weed ETEEN naher 10 ocp Set OCR Parameters oai ecoute hess 10 OCS Do not use OCR Image Ire ec ESAE Ee rA aa 10 oci Do Not Deskew Original Image z4s4 rHenen nenn nennen nun nenn nennen namen nen 10 ocd Resolution for OCR Recognition uzsrersenennnnen nenn nennen nun nn nen nennen nn nenn 11 oct Threshold Resolution for OCR u userennenennnnennnnen nennen nun nennen nun nennen 11 ocb Convert images to bitonal before OCR recognition zuranseren nennen nennen 11 oca Rotate the image according to the detected angle ssssus 11 Ocbe Embed b reodeS anna ea a nee en
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