Advanced Imaging


Advanced Imaging Magazine

Updated: January 12th, 2011 09:49 AM CDT

Lighting the Way

From reading license plates to tracking an oil slick, illumination plays a vital role in all applications
The extensive and heterogeneous population of North American license plate designs is apt to baffle even the most robust video-based recognition engines. Imaged in visible light, background graphics often interfere with the letters and numbers, impeding interpretation of the latter. From top to bottom, here are four examples of license-plate images. Full color, monochrome, infrared and segmented for character identification. (Courtesy Inex/ Zamir (Knoxville, Tenn.)

By Lee J. Nelson
Contributing Editor

Contributing Editor and industry analyst, Lee J. Nelson, is at the forefront of emerging as well as evolving technologies for compute-intensive imaging applications. Contact him at: 1-703-893-0744, or The author acknowledges kind assistance from Dr. Matthew Heric, IAVO Research and Scientific (Durham N.C.) and from James Kennedy, Inex/Zamir (Knoxville Tenn.)

Subscribe to our RSS Feeds