- Stefan van der Walt
  Project coordination

- Nicolas Pinto
  Colour spaces and filters

- Damian Eads
  Morphological operators

- Mahipal Raythattha
  Documentation infrastructure

- S. Chris Colbert
  OpenCV wrappers, Scivi, Qt and Gtk gui bits, fast Hough transform,
  and much more.

- Holger Rapp
  OpenCV functions and better OSX library loader

- Ralf Gommers
  Image IO, color spaces, plots in documentation, cleaner API docs

- Helge Reikeras
  Logic around API docs generation

- Tony Yu
  Reading of paletted images

- Zachary Pincus
  Tracing of low cost paths, FreeImage I/O plugin

- Almar Klein
  Binary heap class for graph algorithms

- Lee Kamentsky and Thouis Jones of the CellProfiler team, Broad Institute, MIT
  Constant time per pixel median filter, edge detectors, and more.

- Dan Farmer
  Incorporating CellProfiler's Canny edge detector, ctypes loader with Windows
  support.

- Pieter Holtzhausen
  Incorporating CellProfiler's Sobel edge detector

- Emmanuelle Guillart
  Total variation noise filtering

- Maël Primet
  Total variation noise filtering