Imaging Tutorials

Imaging Optics

• How a Telescope Works by Russ Palum (Eastman Kodak Company)
  Learn the optical properties behind how a telescope makes things that are far away seem closer

Digital Image Capture

• How a Picture can be Represented as a Collection of Numbers by James Milch (Carestream Health Inc.)
  What does it mean to be a digital image?
• What is Inside a JPEG File by Carl Salvaggio (Rochester Institute of Technology)
  Most of us save our digital photographs as JPEGs, but what does that really mean?
• Image Capture Beyond 24-Bit RGB by Donald S. Brown (Eastman Kodak Company)
  Learn more about digital image capture and how digital images convey color

Printing Technologies

• A Tutorial on Printing by James C. Owens (retired Eastman Kodak Company)
  A primer to digital printing, including discussion of halftoning, color reproduction, and various printing technologies
• How a printing press works by Eric Hanson (Hewlett Packard Laboratories)
  Learn the basics of an offset lithographic press
• How an ink jet printer works by Eric Hanson (Hewlett Packard Laboratories)
  Thermal and piezoelectric ink jet printers are dissected in this tutorial
• Progress and Trends in Ink-jet Printing Technology by Hue P. Le (Le Technologies, Inc., Beaverton, Oregon)
  Learn more about the development of the ink jet printer
• Electrophotography Overview by Howard Mizes, Dan Hays, and Nancy Goodman (Xerox Corporation)
  Also known as xerography, this printing method relies on electrostatic charges and photoconductive surfaces
• Color Solid Ink Printing by C. Wayne Jaeger (retired Xerox Corporation)
  This printing technology uses solid inks that are melted during the printing process to create the image
• An Introduction to Photothermography by M. R. V. Sahyun (retired 3M)
  Based on silver halide technology, new media is being used for applications in our digital age