Captcha Dataset Generator with Mask Extraction

Generate datasets of captchas and their character-level masks for training computer vision (OCR, segmentation, etc) models.
Based on the captcha library, enhanced with mask extraction for each character, via my custom fork here.

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Features

• Easy generation of captcha images with associated per-character mask images
• Customizable captcha length, fonts, noise, backgrounds etc.

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📸 Examples

Captcha Example	Character Mask Example

(Replace the image paths above with your own example images)

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Usage Instructions

1. Clone this repository

git clone https://github.com/your-username/captcha-dataset-generator.git
cd captcha-dataset-generator

2. Install my improved captcha library (with mask support) /!\ IMPORTANT STEP /!\

pip install git+https://github.com/your-username/captcha-masks.git

3. Generate captchas and masks

python generate_dataset.py --count <nbr of captchas to generate> --output /path/to/output/directory --length <nbr of characters in each captcha>

Requirements

captcha (modified fork)

License

MIT