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18 Commercial Robot Manipulators
this can be avoided by some proper attention to details at the work-cell design
stage. Illumination techniques include spectral filtering, selection of suitable
spectral characteristics of the illumination source, diffuse-lighting techniques,
backlighting (which produces easily processed silhouettes), structured-lighting
(which provides additional depth information and simplifies object detection
and interpretation), and directional lighting.
Copyright © 2004 by Marcel Dekker, Inc.
