Merge pull request #165 from hanslovsky/master

Added VIGRA and Vigranumpy (#148)

README.md

@@ -109,6 +109,7 @@ For a list of free machine learning books available for download, go [here](http
 * [OpenCV](http://opencv.org) - OpenCV has C++, C, Python, Java and MATLAB interfaces and supports Windows, Linux, Android and Mac OS.
 * [DLib](http://dlib.net/imaging.html) - DLib has C++ and Python interfaces for face detection and training general object detectors.
 * [EBLearn](http://eblearn.sourceforge.net/) - Eblearn is an object-oriented C++ library that implements various machine learning models
+* [VIGRA](https://github.com/ukoethe/vigra) - VIGRA is a generic cross-platform C++ computer vision and machine learning library for volumes of arbitrary dimensionality with Python bindings.
 
 <a name="cpp-general-purpose" />
 #### General-Purpose Machine Learning
@@ -579,6 +580,7 @@ on MNIST digits[DEEP LEARNING]
 #### Computer Vision
 
 * [SimpleCV](http://simplecv.org/) - An open source computer vision framework that gives access to several high-powered computer vision libraries, such as OpenCV. Written on Python and runs on Mac, Windows, and Ubuntu Linux.
+* [Vigranumpy](https://github.com/ukoethe/vigra) - Python bindings for the VIGRA C++ computer vision library.
 
 <a name="python-nlp" />
 #### Natural Language Processing