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Active Imaging

Active Imaging DOI 10.1515/aot-2014-0013Adv. Opt. Techn. 2014; 3(2): 139­140 Editorial Hans Dieter Tholl and Martin Laurenzis The principle to improve optical imaging by employing a dedicated illumination source is as old as the utilization of fire when early humans used torches to enhance vision in the absence of sunlight. Later on, passive and active means like illumination mirrors and lamps were developed to distribute light energy over an optical sensing area. These first approaches aimed at bringing light to shadows or darkened areas. Nowadays, the controlled interaction of illumination and optical sensing takes a major role in active imaging to analyze a scene with all available optical measures and to gain a detailed multidimensional (time, space, spectrum, and polarization) view of the observed objects. The origins of active imaging date back to the invention of sensitive electro-optical imaging equipment, powerful solid-state and semiconductor light sources, and fast modulation devices during the late 20th century. Since then, active imaging has become a versatile sensing technology, predominantly focused on defense and security applications due to the constraints in size, weight, power, and cost. The recent advances in gated CMOS imagers, laser diodes, fast electronics, and computer graphics pave the way for active http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Optical Technologies de Gruyter

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Publisher
de Gruyter
Copyright
Copyright © 2014 by the
ISSN
2192-8576
eISSN
2192-8584
DOI
10.1515/aot-2014-0013
Publisher site
See Article on Publisher Site

Abstract

DOI 10.1515/aot-2014-0013Adv. Opt. Techn. 2014; 3(2): 139­140 Editorial Hans Dieter Tholl and Martin Laurenzis The principle to improve optical imaging by employing a dedicated illumination source is as old as the utilization of fire when early humans used torches to enhance vision in the absence of sunlight. Later on, passive and active means like illumination mirrors and lamps were developed to distribute light energy over an optical sensing area. These first approaches aimed at bringing light to shadows or darkened areas. Nowadays, the controlled interaction of illumination and optical sensing takes a major role in active imaging to analyze a scene with all available optical measures and to gain a detailed multidimensional (time, space, spectrum, and polarization) view of the observed objects. The origins of active imaging date back to the invention of sensitive electro-optical imaging equipment, powerful solid-state and semiconductor light sources, and fast modulation devices during the late 20th century. Since then, active imaging has become a versatile sensing technology, predominantly focused on defense and security applications due to the constraints in size, weight, power, and cost. The recent advances in gated CMOS imagers, laser diodes, fast electronics, and computer graphics pave the way for active

Journal

Advanced Optical Technologiesde Gruyter

Published: Apr 1, 2014

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