Tesseract Init

Tesseract OCR bindings for Node. tesseract-ocr 을 이용하여 OCR 프로젝트를 사용하기 위해서는 tesseract-ocr 라이브러리를 먼저 생성하여야 사용자 프로젝트 예제에 적용이 가능합니다. GitHub Gist: instantly share code, notes, and snippets. I put trained data file "eng. 02 with Qt 5. 35A015 1 35 Super Heavy Tank E-100 Krupp Turret German nonoeg3550-fantastic quality - www. The tesseract-android-tools build files and the Android SDK Tools have both been updated, so the build should now succeed without requiring the modifications shown below. Set tesseract parameters at init so that all parameters types now actually work! New function tesseract_params() lists all supported parameters and their default; Added 'config' argument to tesseract() which specifies a file with parameter values; Internally validate paremeter names before init to revent tesseract crashes. Init (tessBaseDir. Starting with OpenCV and Tesseract OCR on visual studio 2017 [Challenge 1] Home › challenges › Starting with OpenCV and Tesseract OCR on visual studio 2017 [Challenge 1] I have recently started working on a Freelance project where I need to use text scene recognition based on OpenCV and Tesseract as libraries. I know this sounds very exciting (and it is) because of what you can learn if you're a novice (like me) in this field. # File 'lib/tesseract/api. We’ll be using a fork of Tesseract Android Tools by Robert Theis called Tess Two. jpg output -l mat -psm 10. So lets see where we stand. developerWorks blogs allow community members to share thoughts and expertise on topics that matter to them, and engage in conversations with each other. 04 ?? Tesseract engine does not work properly. View license def __init__(self): api = tesseract. png test hocr Tesseract Open Source OCR Engine v3. If there is something around rectangle with text (e. OcrLanguage. It is designed to reduce lag, which is especially beneficial for Multi-Player servers. Init only the lang model component of Tesseract. NET GUI frontend for Tesseract OCR engine, providing character recognition support for common image formats, and multi-page images. Close down tesseract and free up all memory. These parameters can only be set at the TessBaseAPI::Init function that takes a list of config files. You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. Object implements ITesseract An object layer on top of TessAPI , provides character recognition support for common image formats, and multi-page TIFF images beyond the uncompressed, binary TIFF format supported by Tesseract OCR engine. How to Python Convert Image to Text using OCR with Tesseract How to Python Convert Image to Text using OCR with Tesseract cloud-init (3) expect (3) haproxy (3). tesserocr integrates directly with Tesseract's C++ API using Cython which allows for a simple Pythonic and easy-to-read source code. Python에서 Tesseract 사용하기 for OCR에서는 Python 환경에서 Tesseract 사용 방법을 알아 봤다. You can solve CAPTCHA in python using, OpenCV & Tesseract OCR engine Here OpenCV is Realtime Computer Vision Library and, Tesseract OCR engine is Optical Character recognition Library How it works is: * Read Captcha image and Load Gray scale * Ini. Also add the english too. Ocr Page Images With Tesseract Sample Example how to ocr page images and add searchable content on the page. 処理の流れとして、まず二値化を行い、次に文字認識を適用する。文字認識結果の出力とは別に、二値化の結果画像もtifファイルとして保存する。. dll and tessnet2_64. TessBaseAPI. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Need private packages and team management tools? Check out npm Orgs. windows中命令行使用tesseract. The Ender Quarry is a block added by the Extra Utilities mod. NET Framework. I managed to apply "maatraa clipping" (which is a new term/approach in the world of OCR i think!) successfully as a proof of concept to the image being fed to the Tesseract OCR engine. For Android tess-two is used and for iOS implementation from gali8 (v. Starting with OpenCV and Tesseract OCR on visual studio 2017 [Challenge 1] Home › challenges › Starting with OpenCV and Tesseract OCR on visual studio 2017 [Challenge 1] I have recently started working on a Freelance project where I need to use text scene recognition based on OpenCV and Tesseract as libraries. Xamarin in my app, but without any success. The biggest feature is the numerous asset loaders including a script loader (GSC and CSC). init(Unknown Source) at net. h 中。 从其处理过程中,不难得出:它. The image to be tested on is this. Here how you can install it on Ubuntu/Debian:. December 11, 2012 How To, OpenCV, Programming, Tesseract opencv, tesseract Murali Potluri Today, I spent some time understanding OpenCV and Tesseract together. Along with Leptonica image processing it can recognize a wide variety of image formats and extract text details from them an convert it into over 60 languages. public class Tesseract extends java. Init用自己的语言包老是出错。用英文包就被问题,这个函数的的语言包路径怎么设置啊? 我来答. g the command tesseract image. To test go into one of your test data folders like "1" and run tesseract with your language file: tesseract 1. dll and tessnet2_64. > > I am able to select an image and I am selecting Eng as the language. Due to the nature of Tesseract’s training dataset, digital character recognition. Init only the lang model component of Tesseract. I have an image file having words in separate lines. The Ender Quarry is a block added by the Extra Utilities mod. box, and you'll need to open it in a box-file editor. Closes down tesseract and free up all memory. In this tutorial, I'd like to share how to build the OCR library for Android, as well as how to implement a simple Android OCR application with it. I am now trying to implement Tesseract. # # Licensed under the Apache License. After downloading the assembly, add the assembly in your project. Tesseract is probably the most accurate open source OCR engine available. If you decide installing Redhat, take in consideration you should have a licensed Redhat version, otherwise the repositories for installing software are locked. Here we use just a simple function which sets the line data. init line and never > Proceeds after that point. Not exactly the end result of this blog post, but what you could achieve. Next, we will read the initial image image_init, the word we would like to see predicted by Tesseract, and the target image image_target, the word we would like to see and read on the adversarial. The image to be tested on is this. -rooted (naturally)-busybox pre-installed -init. While these change from time to time, most of them are fairly stable. This site uses cookies for analytics, personalized content and ads. the problem i am facing has something to do with async methods. OCRモジュールのpytesseractのPython版を使ってみた。最初はtesseractを使ってみたけど何故かPythonが動作停止に。その前にまずpythonのtesseractはC++のラッパーなのでtesseract-OCRのインストールが必要。. Also add the english too. Para habilitar ambas librerías podemos crear un proyecto opencv y luego sobre este instalar tesseract-ocr, si deseamos o si es mas cómodo podemos hacerlo al revés, otra opción es compilar ambas librerías en modo release luego usar los archivos compilados de ambos proyectos para crear el nuevo que utilice ambas librerías. The program must be linked to the tesseract-ocr and leptonica libraries. This is only a very rare use case, since. accessories/manifest api_council_filter Parent for API additions that requires Android API Council approval. Next integrate Tesseract to our project, make additional class: TesseractOCR. I tried setting up python open-cv recently, and found lots of issues depending on the version of python and several other dependencies. init(dstInitPathDir, language). 5 Whenever code reaches to OCR. To extract text from an image or to recognise text from an image we need to use Tesseract, which is probably the most accurate OCR engine available. Scala code to initialize a tesseract API instance. exe from the following Windows installation: (tesseract-ocr-setup-3. The web site cannot seem to find it though. Basic example. * I expose Tesseract variables and expose a GetVariableList() method. # File 'lib/tesseract/api. Hallo, I am integrating Tesseract OCR in Qt. you want to ignore everything outside rectangle) you need to: identify rectangle coordinates (with some opencv function or maybe with GetConnectedComponents from tesseract api). This article is a step-by-step tutorial in using Tesseract OCR to recognize characters from images using Python. Tesseract Namespace / TesseractOcr Class / Init Method. WARNING: On changing languages, all Tesseract parameters are reset back to their default values. Hi, as title says, when ever i try to execute it exits at init method. A protip by itseranga about gradle, android, and tesseract. 02 Source code Tesseract OCR 3. I am now trying to implement Tesseract. There are a bunch of these on the Tesseract wiki. * It is entirely safe (and eventually will be efficient too) to call Init * multiple times on the same instance to change language, or just to reset * the classifier. The StackTrace shows "Emgu. 0x deals with 16bpp TIFF (closes: #634232) * 3. The native tesseract. Many of the times we get requirement to search text inside image in Alfresco. We use cookies for various purposes including analytics. init(Unknown Source) at net. When i use Tesseract API (to perform OCR) in my java code : Everything works fine when i run the program as java application. setPageSegMode. Add dependency into build. TesseractApi. Intergarde Tesseract OCR into android studio 1. If you decide installing Redhat, take in consideration you should have a licensed Redhat version, otherwise the repositories for installing software are locked. ##Documantation Blog post ##Utilisation Best way to use Xamarin. Text cleaner in Opencv like ImageMagicK script. I need to do an OCR of a. ) ' init the Tesseract OCR engine tesseractOcr. 본 과정은 tesseract-ocr 라이브러리를 생성하기 위해서 일련의 과정을 안내합니다. No $ apt-get install tesseract-ocr tesseract-ocr-eng. d/mysql stop Tesseract. doorsteptravel. Starting with OpenCV and Tesseract OCR on visual studio 2017 [Challenge 1] Home › challenges › Starting with OpenCV and Tesseract OCR on visual studio 2017 [Challenge 1] I have recently started working on a Freelance project where I need to use text scene recognition based on OpenCV and Tesseract as libraries. NOTE: If your tessdata dir is in the /usr/share/tesseract-ocr dir, data_path should be set to /usr/share/tesseract-ocr. There is a large number of control parameters to modify its behaviour. 이미 많은 OCR 기술이 오픈소스로 등록되어 있는데 여기서는 tesseract-ocr을 사용해서 이미지에 있는 문자를 추출해 보도록 하자. 通过查看 tesseract 的 GitHub 仓库 的 Wiki 主页,可得知 Windows 下的安装方法 ,原文如下: Installer for Windows for Tesseract 3. when I execute Matterhorn as an service (etc/init. I am quite confused on how to link the child theme and parent theme together. In this piece of code, "initialized" variable is always false if I try to continue the code without checking the variable, I got the message: "Call Init first at Tesseract. Learn how to condense your code with the Walrus Operator new released in Python 3. SoundCloud The Tesseract by Comment by Init Preset. Learn about all our projects. pypdfocr_tesseract. tif eurotext Please make sure the TESSDATA_PREFIX environment variable is set to the parent directory of your "tessdata" directory. I know this sounds very exciting (and it is) because of what you can learn if you're a novice (like me) in this field. Acquiring native libraries on Windows is a critical part of the application development process; in our surveys, you told us that 80% of your C++ projects depend on two or more libraries. This is a tutorial for using tesseract library in Android Studio using the Tess-Two dependency. You are currently viewing LQ as a guest. Text cleaner in Opencv like ImageMagicK script. How to Python Convert Image to Text using OCR with Tesseract How to Python Convert Image to Text using OCR with Tesseract cloud-init (3) expect (3) haproxy (3). To unsubscribe from this group and stop receiving emails from it, send an email to [email protected] The KNIME Tesseract (OCR) integration enables Optical Character Recognition (OCR) in KNIME. We empower you with options to choose the best travel routes onboard the world’s. We use cookies for various purposes including analytics. These include the training tools. Tesseract uses a two-pass approach called adaptive recognition. You can rate examples to help us improve the quality of examples. Try putting file in a temp folder and making sure full permissions to read/write. This is a simple example of How to perform Optical Character Recognition in Android using Tesseract library to implement, as it is well known for accuracy. 00-beta are available from Tesseract at UB Mannheim. These parameters can only be set at the TessBaseAPI::Init function that takes a list of config files. It also works well when the text is approximately horizontal and the text height is at least 20 pixels. I've followed your installation instructions (marking both x86 and x64 versions as Copy to Output Directory=Copy always) and it works fine in a class library and WinForms application. Published date 25/03/2019 Categories OCR / OpenCV / Tesseract-OCR / Tutorial Comment: 1 Today we will take a look at some simple OCR applied on license plates. pixel-technology. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OcrLanguage. jar, leptonica-android-arm. Xamarin in my app, but without any success. GitHub Gist: instantly share code, notes, and snippets. SetVariable( "tessedit_char_whitelist" , "01234567890" ) ' for each image For Each image As Vintasoft. There I need to. Leptonica is quite tedious to build for Mingw because of all its dependencies. accessories/manifest api_council_filter Parent for API additions that requires Android API Council approval. 이미 많은 OCR 기술이 오픈소스로 등록되어 있는데 여기서는 tesseract-ocr을 사용해서 이미지에 있는 문자를 추출해 보도록 하자. One has to be careful when initializing a tesseract object because it will reset the page segmentation mode to a default value. 이번에는 모바일 환경에서 카메라를 이용해 이미지를 촬영하고, 해당 이미지에 대해 동시에 OCR을 수행하기 위해 Android에서 Tesseract를 사용하는 방법을 알아볼 것이다. public class Tesseract extends java. tesseract-ocr中文简体字库,tesseract-ocr作为一款开源、免费的OCR引擎,能够支持中文十分难得。 虽然其识别效果不是很理想,但是对于要求不高的中小型项目来说,已经足够用了。. !), everything works perfect. Path to Tesseract not configurable in config. \$\endgroup\$ – Tesseract Jun 7 '16 at 12:12 \$\begingroup\$ @Tesseract Still not a single question mark in your "question". OCR using Tesseract and ImageMagick as pre-processing task December 19, 2012 misteroleg Leave a comment Go to comments While many applications today use direct data entry via keyboard, more and more of these will return to automated data entry. Tesseract is one of the most accurate open source OCR engines. txt extension. If there is nothing just the rectangle with text, you can pass image to tesseract. TessBaseAPI. The only functions that work after this init are SetVariable and IsValidWord. 0 and platform is x64,. > > I downloaded your program, added the reference to the dll and ran a test. jar Coded Basic Example from bytedeco page. 3 so try adding it to the linker command line scanned pdf tesseract Tesseract-OCR SAMPLE c++ 0 Add a comment. End() is equivalent to destructing and reconstructing your TessBaseAPI. Once End() has been used, none of the other API functions may be used other than Init and anything declared above it in the class definition. Please let me know how to check the problem. OCR means, that text on images can be converted into characters, which then can be processed, e. The final generated file is mat. Tesseract是一个HP和google先后维护的开源OCR(ocr,optical character Recognition)引擎,3. 注意Tesseract_DIR那一行。我这边自动找到了。那是因为这个我已经把这个路径放置到环境变量的Path中了。你可以选择将你的路径放置到环境变量中,也可以在这里手动选择这个目录。. Net SDK it's a class library based on the tesseract-ocr project. OCR desde CSharp (Tesseract Ocr). OK, I Understand. Tesseractの初期化(TessBaseAPI#init())ですね。 実は今回意訳したサイトに辿り着く前に rmtheis/android-ocr · GitHub は見つけてて、各ライブラリのビルド自体は成功してたんですけど、いざ動かすと初期化がうまく行かなかったんです. CheckIfInitialized ()". 하지만 현재는 버전 3. , Release vs Debug). These parameters can only be set at the TessBaseAPI::Init function that takes a list of config files. 0x deals with 16bpp TIFF (closes: #634232) * 3. jpg output -l mat -psm 10. Along with Leptonica image processing it can recognize a wide variety of image formats and extract text details from them an convert it into over 60 languages. Detecting Font size using Tesseract+Leptonica. Licensed under the Apache License, Version 2. 02/" to get the right slashes but i got the same result. Patagames Tesseract. traineddata" for an English language in Assets folder, so we need copy this from APK to internal memory files directory and then init the Tesseract system: mTess. Tesseract is one of the most accurate open source OCR engines. CheckIfInitialized ()". While these change from time to time, most of them are fairly stable. You are currently viewing LQ as a guest. public class Tesseract extends Object implements ITesseract An object layer on top of TessAPI , provides character recognition support for common image formats, and multi-page TIFF images beyond the uncompressed, binary TIFF format supported by Tesseract OCR engine. The files I used: javacpp. Although, I had used Tesseract before, I was doubtful if I would be able to pass the image frame from WebCamera captured and delivered by OpenCV. g the command tesseract image. You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. WARNING: On changing languages, all Tesseract parameters are reset back to their default values. 7 # Copyright 2013 Virantha Ekanayake All Rights Reserved. Although, I had used Tesseract before, I was doubtful if I would be able to pass the image frame from WebCamera captured and delivered by OpenCV. init() is the function which will be called to create the base frame upon which the animation takes place. Before anything, ensure you have installed tesseract, and the dictionaries for the language you want to made OCR. Tesseract is one of the most accurate open source OCR engines. Clone via HTTPS Clone with Git or checkout with SVN using the repository's web address. The process is divided into points that can be understood by even beginners to Android Studio and Tesseract. React fs writefile. * Misspelled Width for Word variable (thanks Lothar) has been corrected. public class Tesseract extends Object implements ITesseract An object layer on top of TessAPI , provides character recognition support for common image formats, and multi-page TIFF images beyond the uncompressed, binary TIFF format supported by Tesseract OCR engine. jar, leptonica. 03-1 Control: affects -1 ocrodjvu Tesseract sometimes produces hOCR with unescaped ampersand (making the whole XHTML file ill-formed): $ tesseract -l deu-frak test. But if i put the same in sevlet, it returns the following error: My Servlet:. It also works well when the text is approximately horizontal and the text height is at least 20 pixels. I need to do an OCR of a. 이미 많은 OCR 기술이 오픈소스로 등록되어 있는데 여기서는 tesseract-ocr을 사용해서 이미지에 있는 문자를 추출해 보도록 하자. OcrLanguage. traineddata" for an English language in Assets folder, so we need copy this from APK to internal memory files directory and then init the Tesseract system: mTess. The program has postprocessing which helps correct errors regularly encountered in the OCR process, boosting the accuracy rate on the result. I am now trying to implement Tesseract. In this tutorial, I'd like to share how to build the OCR library for Android, as well as how to implement a simple Android OCR application with it. (width); 00014 // For each line in the image, fill the IMAGELINE class and put it into the 00015 // Tesseract global page_image. tesseract는 구글에서 지원하는 프로젝트이고 인식률이 OCR 기술 중 굉장히 높은 편에 속한다고 한다. Closed for the following reason question is off-topic or not relevant by LBerger close date 2018-09-02 13:08:56. Accuracy obtained by this method, along with some really crappy training. NET assembly (DLL) and use it for all pages on the PDF so I can save time while sending subsequent pages from Delphi for processing from the. tiff extension. 하지만 현재는 버전 3. No $ apt-get install tesseract-ocr tesseract-ocr-eng. Scala code to initialize a tesseract API instance. Installing Tesseract As mentioned above, if you are dealing with scanned images instead of test-selectable PDF files you need to install tesseract 4. Above code initializes tesseract with pol. TesseractApi. the problem i am facing has something to do with async methods. To improve OCR performance for other langauges you can to install the training data from your distribution. 그리고 버전이 바뀌면서 4. exe with the 'batch. selectable region while capturing the image in android. Once End() has been used, none of the other API functions may be used other than Init and anything declared above it in the class definition. This is only a very rare use case, since. txt extension. tesseract input_file. I already know about Sikuli, and I'm stunned with such great open source libraries. Background Tesseract is an open-source tool for generating OCR (Optical Character Recognition) output from digital images of text. I’ve unchecked the “Read-Only” option to the tessdata folder. Recently I was playing with OCR library by google called as "Tesseract" (cool name for a library!). init(dstInitPathDir, language). Please note that this integration is still in a BETA state. Combined with the Leptonica Image Processing Library it can read a wide variety of image formats and convert them to text in over 60 languages. log,Tesseract OCR send content to alfresco and we can change the actual language which in the above file default given eng, and we can give multiple languages to this. jar, tesseract-android-arm. tif output_file. OCRモジュールのpytesseractのPython版を使ってみた。最初はtesseractを使ってみたけど何故かPythonが動作停止に。その前にまずpythonのtesseractはC++のラッパーなのでtesseract-OCRのインストールが必要。. Init(BytePointer, BytePointer) - Method in class org. Init extracted from open source projects. OCR means, that text on images can be converted into characters, which then can be processed, e. The tesseract-android-tools build files and the Android SDK Tools have both been updated, so the build should now succeed without requiring the modifications shown below. Tesseract is a very popular OCR library written in C++. Net SDK it's a class library based on the tesseract-ocr project. Definition at line 1414 of file baseapi. Internally, this uses Tesseract OCR, which is considered as the de-facto "OCR Engine" used by almost …read more. traineddata 들이 3. OBSOLETE: API-Review is now defined in All-Projects refs/meta/config rules. It can read a wide variety of image formats and convert them to text in over 60 languages. The only functions that work after this init are SetVariable and IsValidWord. I thank you for your disponibiltà and the time you're losing me, I tried your routines is fine to do the image B & W, realizing edesso comene works that I can put inside other commands in rurine fact I added "IplConvKernel mat = cvCreateStructuringElementEx (5, 5, 2, 2, CV_SHAPE_RECT);. rb', line 102 def init. The only functions that work after this init are SetVariable and IsValidWord. The files I used: javacpp. Definition at line 1414 of file baseapi. Thankfully there's a Java wrapper that allows to combine this powerfull functionality to Selenium or whatever needs such technology. This is a simple example of How to perform Optical Character Recognition in Android using Tesseract library to implement, as it is well known for accuracy. Close down tesseract and free up all memory. Learn how to condense your code with the Walrus Operator new released in Python 3. Tags : ocr , PDF , bitmap , page , renderer , optical character recognition , search , searchable , searchable pdf , Pdfium , tesseract. Before going to the code we need to download the assembly and tessdata of the Tesseract. image_for ( image ) Image. Even Catch block does not hold the code. Once End() has been used, none of the other API functions may be used other than Init and anything declared above it in the class definition. opensource. OCRモジュールのpytesseractのPython版を使ってみた。最初はtesseractを使ってみたけど何故かPythonが動作停止に。その前にまずpythonのtesseractはC++のラッパーなのでtesseract-OCRのインストールが必要。. when I execute Matterhorn as an service (etc/init. Closed for the following reason question is off-topic or not relevant by LBerger close date 2018-09-02 13:08:56. tif output_file. CheckIfInitialized ()". Re: OCR with Tesseract doesn't work Post by pberden » Fri Dec 30, 2011 3:12 pm I have the same problem with Ubuntu server 10. NOTE: If your tessdata dir is in the /usr/share/tesseract-ocr dir, data_path should be set to /usr/share/tesseract-ocr. Source code for pypdfocr. # File 'lib/tesseract/api. As for your query, you can see the following: First, begin with initializing TessBaseAPI instance. rb', line 37 def self. tesseract-ocr 을 이용하여 OCR 프로젝트를 사용하기 위해서는 tesseract-ocr 라이브러리를 먼저 생성하여야 사용자 프로젝트 예제에 적용이 가능합니다. traineddata. 03-1 Control: affects -1 ocrodjvu Tesseract sometimes produces hOCR with unescaped ampersand (making the whole XHTML file ill-formed): $ tesseract -l deu-frak test. php i get this message from my theme section in wordpress. Before going to the code we need to download the assembly and tessdata of the Tesseract. Home > c# - Tesseract OCR simple example c# - Tesseract OCR simple example Hi Can you anyone give me a simple example of testing Tesseract OCR preferably in C#. This article is a step-by-step tutorial in using Tesseract OCR to recognize characters from images using Python. NET assembly (DLL) and use it for all pages on the PDF so I can save time while sending subsequent pages from Delphi for processing from the. 仕事で、TesseractをVS2013で動かす必要があり、VS2013でビルドするなど少し手間がかかりましたので、その手順をメモとして残します。. Package: tesseract-ocr Version: 3. 7 # Copyright 2013 Virantha Ekanayake All Rights Reserved. The code is fragile and buggy - trivial problems will crash tesseract. But found that existing modules do call tesseract command-line tool. If you want to restrict recognition to a sub-rectangle of the image - call SetRectangle(left, top, width, height) after SetImage. 04 ?? Tesseract engine does not work properly. cloud-init (3) expect (3). Tesseract-OCR을 이용한 문자 인식 학습 이번 포스팅은 Google의 Tesseract-OCR을 이용한 문자 인식 학습을 진행하는 방법을 제시합니다. I'm using OpenCV to extract a subimage of a scanned document and would like to use tesseract to perform OCR over this subimage. Projects Community Docs. NET GUI frontend for Tesseract OCR engine, providing character recognition support for common image formats, and multi-page images. TessBaseAPI. This page provides Java code examples for com. If you set this value to null it works like previous version. References init_tesseract(). It is the four-dimensional hypercube, or 4-cube as a part of the dimensional family of hypercubes or measure polytopes. The OCR result ist quite good in debug mode. These executables are provided by Mannheim University Library. OCR using Tesseract and ImageMagick as pre-processing task December 19, 2012 misteroleg Leave a comment Go to comments While many applications today use direct data entry via keyboard, more and more of these will return to automated data entry. VietOCR is a Java GUI frontend for Tesseract OCR engine, providing character recognition support for common image formats, and multi-page images.