Holds the source for the algorithm that used to crack the captcha at VIT University's Academic Portal. Now, they use ReCaptcha by Google.
Maintained in a seperate repository
Present on the DEV website.
- Install the PIL Library(Pillow)
pip install pillow- Enter the Python Directory
cd Python- Run the command for the test image
python algorithm/parser.py- For a performance measure, run
python performance.py- For the preprocessing, run the following after deleting all folders execpt downloaded captchas
cd Python/preprocessing
python reduce-noise.py
python crop_chars.py
python character_sort.py
python best_chars.py- Pick a character from the best ones as per the alphanumeric set and rename it after placing in
library-chars. - Run the following to generate your bitmaps
python generate_bitmaps.pyMIT