International Commission on Non-Ionizing Radiation Protection
- Disseminates information and advice on the potential health hazards of exposure to non-ionizing radiation including, the optical radiations (ultraviolet, visible and infrared - and lasers), static and time-varying electric and magnetic fields and radiofre
- http://www.icnirp.de/

Society for Computer Applications in Radiology
- Advances computer applications and information technology in medical imaging through education and research. It bridges the gap between engineers and scientists who develop the systems and radiologists and technologists who use them.
- http://www.scarnet.org/

International Commission on Radiation Units and Measurements, Inc.
- Developments internationally acceptable recommendations regarding (1) quantities and units of radiation and radioactivity; (2) procedures suitable for the measurement and application of these quantities in diagnostic radiology, radiation therapy, radiatio
- http://www.icru.org/

Academy of Molecular Imaging
- An organization promoting growth of molecular medicine. Site contains news items, upcoming meetings, the Society of Non-Invasive Imagine in Drug Development, a newsletter, and an industry council.
- http://www.ami-imaging.org/

Medical Image Processing
- Resource for image processing in the medical field with links to algorithms, DICOM information, books and the free medical viewer MVE.
- http://www.medical-image-processing.info/

medicalimaging.org
- Overview over the medical and budget advantages of medical imaging.
- http://medicalimaging.org/

The NEMA Digital Imaging Standard for Medical Images
- The Digital Imaging and Communications in Medicine (DICOM) standard for distributing and viewing any kind of medical image regardless of the origin (radiology, dermatology, pathology, endoscopy etc.).
- http://medical.nema.org/