pycaptcha

github

Python, NumPy, Pandas, Matplotlib, OpenCV, YOLOv4

A CAPTCHA system that generates tests with YOLOv4 object detection on Google Street View images.

• Image augmentation pipeline with OpenCV, NumPy, and Matplotlib to generate training data.
• Trained YOLOv4 on 12 classes with 0.05 loss and 0.9 mAP from Google Open Images Dataset.
• NumPy and Pandas to process and filter images before test generation to ensure quality of tests.