Photometric Calibration of Consumer Video Cameras

TBMG-2191

09/01/2007

Abstract
Content

Equipment and techniques have been developed to implement a method of photometric calibration of consumer video cameras for imaging of objects that are sufficiently narrow or sufficiently distant to be optically equivalent to point or line sources. Heretofore, it has been difficult to calibrate consumer video cameras, especially in cases of image saturation, because they exhibit nonlinear responses with dynamic ranges much smaller than those of scientific-grade video cameras. The present method not only takes this difficulty in stride but also makes it possible to extend effective dynamic ranges to several powers of ten beyond saturation levels. The method will likely be primarily useful in astronomical photometry. There are also potential commercial applications in medical and industrial imaging of point or line sources in the presence of saturation.

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Citation
"Photometric Calibration of Consumer Video Cameras," Mobility Engineering, September 1, 2007.
Additional Details
Publisher
Published
Sep 1, 2007
Product Code
TBMG-2191
Content Type
Magazine Article
Language
English