Scientific Visualisation Made Easy
Emgu CV is a cross platform .Net wrapper for OpenCV
Libraries and command line tools for medical image processing.
OTB is an open-source C++ library for remote sensing images processing
Astronomical object/structure detection from 1D and 2D data sets.
OpenGL Image Processing LIBrary
Bildster is an image processing library for educational purposes.
A Library for Interactive Modelling and Visualisation