ILLUMINATION FOR COMPUTER VISION SYSTEMS.

M. R. Paulsen, W. F. McClure

Research output: Contribution to journalArticlepeer-review

Abstract

Video cameras and light source should be matched to wavelengths corresponding to peak human eye sensitivity if it is desired to represent human vision. An infrared blocking filter was very helpful. Blue and green color filters also aided in detection of surface features. Equations for calculating needed lens extender lengths were used to match the field of view to the object size. A diffuse lighting chamber was found effective in eliminating shadows, specular reflection, and in preserving well-defined edges. High contrast between an image and its background was obtained using a dark colored filter as a background.

Original languageEnglish (US)
Pages (from-to)1398-1404
Number of pages7
JournalTransactions of the American Society of Agricultural Engineers
Volume29
Issue number5
StatePublished - Sep 1986
Externally publishedYes

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)

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