Computer Vision & Image Processing

Tool / RepoWhat it doesLink / SourceNotes
OpenCV Contrib (4.x modules)Extra OpenCV modules (xfeatures2d, text, wechat_qrcode, aruco, etc.)https://github.com/opencv/opencv_contrib/tree/4.x/modulesCompanion to core OpenCV; install via pip install opencv-contrib-python.
Pillow (PIL)Python imaging library — used by the web image compressor (Tools/seda_web_compress.py).https://python-pillow.org/Local use: optimize/resize PNG+JPEG.
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