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robust-captcha-design

File Description

  • preprocessing.ipynb:

tutorials about image preprocessing using Pillow

  • model.py

training the model on the dataset

  • archive

dataset of undistorted images

  • DisCaptcha_v0

distorted images(distortion level: 50)

  • Scripts2CreateDisCaptcha.ipynb

you can use this script to utilize a website to generate distorted image for you. Please change the file path and the parameters in the script.

  • ResultsWithNewDatasets.ipynb

There are newest results of robots with CNN threat model on DisCaptcha_v1.

  • Demo.ipynb

This is a python notebook which shows a simple sine wave distortion model and example of distorted image.

DisCaptcha Data Sets Kaggle Link

Newest DisCaptcha Data Sets have been upload to Kaggle, which could be downloaded easily. https://www.kaggle.com/datasets/huanxu22/discaptcha-training-dataset

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  • Jupyter Notebook 99.8%
  • Python 0.2%