Retinex Image Processing 
Provides description and examples for the new non-linear image enhancement technique called the Multi-scale retinex.
http://dragon.larc.nasa.gov/retinexVideo Imaging Borescope 
Videoborescope for inspection of turbines, building forensic investigations and utilities.
http://www.uxr.com/videoscopes1.asp
Clinical Imaging Processing 
Image processing software for medical researchers.
http://www.cc.nih.gov/cip
Digirad 
Gamma cameras for nuclear medicine imaging and solid state nuclear medicine technology by Digirad.
http://www.digirad.com/
Visual Communication 
Rigorously extends information theory to the optimization of end-to-end imaging systems to provide the best possible pictures for the least data.
http://dragon.larc.nasa.gov/viscom
Soft Imaging System 
Image analysis software and hardware for machine vision, image processing, medical imaging, biometric and metallographical applications.
http://www.soft-imaging.com/
Carlson Center for Imaging Science 
Provides overview of imaging and color sciences, research topics, training from short distance learning to postgraduate degrees and resources. At the Rochester Institute of Technology, NY.
http://www.cis.rit.edu/
XRT - X-Ray Technologies 
Site explaining PCI using an X-ray ultra microscope, with resolution of 150nm, 'in-air' phase contrast radiography systems, and image processing software. Commercialization and technology licenses from X-Ray Technologies, Mulgrave, Victoria, Australia.
http://www.xrt.com.au/
NIH Image 
Download and documentation for public domain image processing and analysis program developed for the Macintosh, by the National Institute of Mental Health at Bethesda, MD.
http://rsb.info.nih.gov/nih-image/
ORNL Image Science and Machine Vision Group 
From the Oak Ridge National Laboratory. Application areas include biological sciences (e.g., mammography and tomography), law enforcement and forensics, military applications, and measurement and controls for industry.
http://www.ornl.gov/sci/ismv/
Confocal Imaging 
Explains how the confocal microscope improves getting better focused images than fluorescent light viewing devices. Includes sample photos and a list of applications for this technique.
http://www.loci.wisc.edu/confocal/confocal.html
Data Processing Research Team 
Group engaged in methods, models and algorithms for data processing and visualization for x-ray, gamma and infrared. Includes examples of filtration, publications and details of XrayScan software available from Saint-Petersburg, Russia.
http://www.xraylab.niiefa.spb.su/
SIAM Activity Group on Imaging Science 
Offers discussion with scientists and engineers of mathematical and computational aspects of imaging, through the Society for Industrial and Applied Mathematics, based in Philadelphia, PA.
http://www.siam.org/activity/imaging/
Poynton's Gamma and Color FAQs 
Questions and articles on various image and color coding techniques and issues.
http://www.poynton.com/Poynton-color.html