/textfairy

Android OCR App

Primary LanguageC

textfairy

Android OCR App

available in the [play store] [p] [p]: https://play.google.com/store/apps/details?id=com.renard.ocr

Features

  • convert images to pdf
  • recognize text in images
  • basic document management
  • delete
  • edit
  • merge multiple documents into one
  • view table of content

Project Structure

  • app contains the android app code
  • hocr2pdf contains c++ code to create pdf files
  • is used by the text fairy through a jni wrapper (textfairy/jni)
  • image-processing contains image processing code (binarization and page segmentation)
  • can be compiled to a command line executable main.cpp
  • CppTestProject contains an XCode project to debug and test the image processing code
  • is used by the text fairy through a jni wrapper (textfairy/jni)

The following android library projects are included as git submodules:

  • [Forked Tesseract Tools for Android by rmtheis] 1

The following projects where added to the sources directly either because they were modified or they are not available as git repos:

  • [hocr2pdf] 2
  • [libjpeg] 3
  • [libpng-android] 4

Building with gradle

make sure that you have got the android sdk as well as ndk (r8e) installed

  • git clone git@github.com:renard314/textfairy.git
  • cd textfairy
  • git submodule update
  • git submodule init
  • modify path to ndk-build in gradle.properties
  • import settings.gradle into android studio or execute ./gradlew build