Hemispherical Photography

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About Hemispherical Photography

The group is about hemispherical photography about plant canopy, astronomy and built-up environment canopy in particular. We are concerned about hemispherical patterns and not images captured with fisheye lenses.

Articles:

The Nature of Hemispherical Canopy Photography
Hemispherical canopy photography is a technique for studying plant canopies using photographs taken through a hemispherical (fisheye) lens from beneath a canopy looking upward. Such hemispherical photographs provide an extreme wide angle view, often with up to a 180o field of view. The photographs can be analyzed to determine the geometry of canopy openings, and, in turn, to estimate light levels beneath the canopy. Thus, canopy photographs can be used to assess local light environment beneath plant canopies and to infer properties of plant canopies. Hemispherical canopy photography is a technique that directly measures canopy geometry and that indirectly estimates light levels (Los Alamos National Laboratory is operated by the University of California for the United States Department of Energy under contract W- 7405-ENG-36)