Joker is a character recognition engine created with the focus of high speed
Joker is uploaded to git with the necessary source files to be compiled as a standalone, command line program, or can be integrated into existing C++ projects
Binaries for your system may be available on the Releases page.
Joker can be compiled from source using cmake, download the latest tagged release code from the main repo page.
Make sure you have the following shared libraries inatalled:
- libjpeg-turbo-dev (often preinstalled on linux, current ubuntu: libjpeg-turbo8-dev)
- pthread (often preinstalled on linux)
From within the joker project file, run the following commands in terminal:
mkdir Build
cd Build
cmake ..
make
This will produce a 'jk' executable within the Build folder wich can be ran with ./jk from within /Build.
make install - this may require sudo
This will install the joker libraries and executable to /usr/local. Joker can now be invoked from anywhere with jk in terminal.
To launch the joker welcome screen and view available commands use
jk
This will show the available flags which can be used to control training and OCR. Visit the Wiki for further launch information
Current tests on an Intel® Pentium(R) CPU N3710 @ 1.60GHz × 4 processor result in a single threaded OCR time of <200 microseconds (0.2 milliseconds, 0.0002 seconds) for a 40*40pixel library size with 26 characters using the PixelAveraging OCR method.