Emgu CV is a cross platform .Net wrapper to the OpenCV image processing library.
.NET Framework wrapper for OpenCV
A modern, cross-platform, 2D Graphics library for .NET
AForge.NET Framework is a C# framework designed for developers and researchers in the fields of Computer Vision and Artificial Intelligence - image processing, neural networks, genetic algorithms, machine learning, robotics, etc.
MagicScaler high-performance, high-quality image processing pipeline for .NET
An automatic image optimizer for the Sitecore media library.
Machine learning, computer vision, statistics and general scientific computing for .NET
The official repository for ImageResizer
A fluent wrapper around System.Drawing for the processing of image files.