This project aims to detect textes in images using Extremal Region Filter algorithm.
This is summarized from http://www.pyimagesearch.com/2015/06/15/install-opencv-3-0-and-python-2-7-on-osx/
- Requires Python 2.7, Git
- Install Python packages
pip install -r requirement.txt
- Install necesssary packages
brew install cmake pkg-config jpeg libpng libtiff openexr eigen tbb
- Clone OpenCV repos
- opencv
cd ~
git clone https://github.com/Itseez/opencv.git
cd opencv
git checkout master
- opencv_contrib
cd ~
git clone https://github.com/Itseez/opencv_contrib
cd opencv_contrib
git checkout master
- Build and install OpenCV
cd ~/opencv
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D PYTHON2_PACKAGES_PATH=~/feature/lib/python2.7/site-packages \
-D PYTHON2_LIBRARY=/usr/bin/python \
-D PYTHON2_INCLUDE_DIR=/System/Library/Frameworks/Python.framework/Headers \
-D INSTALL_C_EXAMPLES=OFF \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D BUILD_EXAMPLES=ON \
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules ..
make -j4
make install
- Verify in python shell
>>> import cv2
>>> cv2.__version__
'3.1.0-dev'
>>> help(cv2.text)To show all available options:
python text.py -h
An example:
python text.py -m <1: Detection using Extremal
54FA
Region Filter, 2: OCR Recognition using Tesseract> \
-i <path to input image> \
-o <path to output image>