Re: New technology makes 3-D imaging quicker, easier

On 2月19日, 午前4:17, Bob <ralva...@xxxxxxxxxxx> wrote:
On Feb 18, 8:34 am, jonny.kot...@xxxxxxxxx wrote:

Technology invented by scientists from The Johns Hopkins University
and Ben-Gurion University of the Negev can make three-dimensional
imaging quicker, easier, less expensive and more accurate, the
researchers said.

http://mozhi.org/mozhi%20news/159.htm

Could you provide a link to a description of the method that does not
require a paid subscription?

TIA

Under certain circumstances (using a specially customized microscope)
Fresnel zone interference rings will appear around observed objects.
From these rings the depth of an object can be calculated. Some kind
of holography technique. Simple but ingenious it seems. Reportedly
this method is much faster than scanning the different image planes
for focused objects. It is so fast that it is supposed to work for
moving objects..
.

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