Accord.NET Framework - Machine learning, computer vision and statistics framework for .NET
BoofCV - BoofCV is an open source library written from scratch for real-time computer vision.
OpenCV - OpenCV is the world's biggest computer vision library
LeptonicaSharp - C# Wrapper for the Leptonica Library Version 1.77
libdwt - A software library for computation of the discrete wavelet transform that is primarily implemented...
Google Vision AI - Cloud Vision API provides a comprehensive set of capabilities including object detection, ocr, explicit content, face, logo, and landmark detection.