Where you go for

Feature Forge

Modular feature engineering for machine learning in Python.

VLFeat

Open source computer vision algorithms for image understanding.

Curvelets

Advanced toolbox for Curvelet transform-based image processing.

Dlib Machine Learning

Comprehensive C++ machine learning and deep learning toolkit.

Shearlets

Multiscale directional transforms for 2D/3D image processing via shearlets