4pm-nomnom / OCR

Optical Character Recognition project in C

OCR

EPITA - S3 - API - O.C.R software by 4pm

Dependencies

• SDL : libsdl2-2.0-0 libsdl2-dev
• SDL-image : libsdl2-image-2.0-0 libsdl2-image-dev
• gtk : libgtk-3-dev libgtk3-0
• gspell : libgspell-1-1 libgspell-1-dev

Usage

1. Clone the repository : git clone https://github.com/4pm-nomnom/OCR.git
2. Go to the OCR folder : cd OCR
3. Compile the project : make all
4. Launch the program : ./ocr
5. Follow the instructions given on the screen
6. If you have any issue, do not hesitate to contact us
7. Clean your repository using : make clean

Dataflow

1. Image loading
2. Color removal (gray-scale, then back/white)
3. Pre-processing
4. Text block detection
5. Character detection
6. Identification of extracted characters
7. Text reconstruction

Contribution

See more in the CONTRIBUTING file

Links

• http://www.debug-pro.com/epita/prog/s3/index.html
• http://neuralnetworksanddeeplearning.com
• https://wiki-prog.infoprepa.epita.fr/index.php/Practical:GIT
• https://slashvar.github.io/2017/02/13/using-gnu-make.html
• https://wiki-prog.infoprepa.epita.fr/index.php/Programmation:C
• https://www.overleaf.com/read/yvqwvgtwzbyr

Keywords

• supervised machine learning
• multi-layer perceptron
• retropropagation
• gradient optimization
• MLP with single hidden layer

Notes

• C99 standard
• Compiler used : gcc