Sunday, September 29, 2013

FilmmakerIQ.com: Tiny Camera Records Details of Scene without Losing Sight of the Big Picture

FilmmakerIQ.com
 
Tiny Camera Records Details of Scene without Losing Sight of the Big Picture
Sep 29th 2013, 09:00, by John P. Hess

Using a new system of concentric lenses, researchers are building an ultrahigh resolution wide angle camera the size of a walnut that could be capable of pans and zooms with no moving parts. Those days of CSI shows where photos are zoomed in infinitely and enhanced may soon be a reality.

Monocentric Lens

Conventional camera versus monocentric Lens

Top, image shot with a 5d mkIII conventional wideangle lens. Bottom shows the monocentric lens.

To capture all the details of a crime scene, you might take many photos at close range. To get the whole scene at once, you could use a wide-angle or fisheye lens; but without an especially large lens you would be sacrificing the fine resolution that would help you catch that partial footprint you might otherwise have missed. Now a new type of miniature camera system promises to give users a big picture view without sacrificing high-resolution. Researchers from the University of California, San Diego will describe their novel device at The Optical Society's (OSA) Annual Meeting, Frontiers in Optics (FiO) 2013, taking place Oct. 6-10 in Orlando, Fla.

The new imager achieves the optical performance of a full-size wide-angle lens in a device less than one-tenth of the volume. It has a 100x range of focus, meaning it can image anything between half a meter and 500 meters away, and it has 0.2-milliradian resolution, equivalent to 20/10 human vision. Such a system could enable high-resolution imaging in micro-unmanned aerial vehicles, or smartphone photos more comparable to those from a full size single-lens reflex (SLR) camera, the researchers say.

"The major commercial application may be compact wide-angle imagers with so much resolution that they’ll provide wide-field pan and 'zoom' imaging with no moving parts," said project leader Joseph Ford, a professor in the Jacobs School of Engineering at the University of California, San Diego (UCSD).

OSA | Read the Full Article

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