Top 20 NuGet integral Packages

Contains interest point detectors (SURF and FAST), image matching and image stitching methods. This package is part of the Accord.NET Framework.
This is an easy implementation of a PID controller
Contains image processing algorithms which can only be used for educational applications, and cannot be used in commercial products without express permission of its authors. Currently contains the Fast Guided Filter. This package is part of the Accord.NET Framework.
Easy to use library for computing integrals. var math = new Integral("3*x^2-5", 5, 10); var result = math.ComputeIntegral(); // result = 850
Calculates area under a polynomial
Ratchet Math Integral Image is a tiny library that implement an Integral image (or Summed area table)
A class for converting managed base types to byte arrays and vice versa