| Sci | Scientific Computing Library: numerical analysis, image processing, computer vision, pattern recognition, computational biology, etc |
| Sci::ComputerVision | Computer vision |
| Sci::ImageProcessing | Image Processing Tools |
| Sci::ImageProcessing::Filtering | Image Filtering Tools |
| Sci::IO | File/Stream Input/Output |
| Sci::NumericalAnalysis | Numerical Analysis |
| Sci::RemoteSensing | Remote sensing |