Gigapixel image

Gigapixel image

A gigapixel image is a digital image bitmap composed of one billion (109) pixels (picture elements), more than 150 times the information captured by a mid-range (6 megapixel) digital camera. Current technology for creating such very high-resolution images involves making mosaics of a large number of high-resolution digital photographs, or uses a film negative as large as 9"×12" (23 cm×30 cm), which is then scanned with a high-end film scanner. Recent developmentsFact|date=May 2007 have demonstrated the practicality of developing scanning cameras capable of creating a gigapixel image in a single sweep of a scene.

Gigapixel images are of particular interest to the following:Fact|date=May 2007
* Physicists viewing the results of supercomputer simulations
* Viewers of satellite composite images for various purposes, including agricultural policy, land use planning, and military intelligence
* Artists
* Health care providers, such as pathologists, for virtual microscopy utilizing whole slide images (digitally scanned glass microscope slides)
* Visual effects industry, where gigapixel images can enable the creation of immersive digital environments

See also

* Largest photographs in the world
* Powerwall - Computer technology for interactive gigapixel displays
* HD View - Microsoft high resolution image viewer plug-in (Windows only - IE & Firefox)
* [http://zoomify.com/ Zoomify] - Flash based high resolution image viewer

External links

* [http://www.gigapxl.org/ A custom-built Gigapixel camera]
* [http://cliffordross.com/R1/gigapixel.html Gigapixel camera]
* [http://www.haltadefinizione.com Gigapixel images entirely visible]
* [http://www.xrez.com/ Gigapixel images used for visual effects]
* [http://www.gigapan.org/ Multi-gigapixel panoramas]


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