GeographicLib is a small set of C++ classes for converting between geographic, UTM, UPS, MGRS, and geocentric coordinates, for gravity (e.g., EGM2008), geoid, and geomagnetic field (e.g., WMM2010) calculations, and for solving geodesic problems. For documentation, visit https://geographiclib.sf.io
How to detect multimedia spam such as image spam? This project implemented some algorithms to detect and recognize the image spam based on Image Processing, Pattern Recognition incluing Edge-Detection,Region-Grow, ANN, SVM, LLE, ICA, PCA,etc.
Toolbox for processing spinal cord MRI data
The Spinal Cord Toolbox is a comprehensive and open-source library of analysis tools for multi-parametric MRI of the spinal cord. List of contributors can be found here: https://sourceforge.net/p/spinalcordtoolbox/wiki/Home/