https://www.sciencealert.com/this-camera-technology-doesn-t-have-a-lens-at-all-and-it-s-amazing
I have never imagined a camera
without lens. And this article at The University of Utah says each window in a home
could be turned into a security camera in the future. That sounds quite
exciting but also would have consequences of its own regarding privacy. Imaging
having to use a room with glass windows in your friend’ house to change clothes,
if you are not fine with public nudity. Or it could just be a small 2 x 2-inch glass
attached somewhere on the wall or the ceiling. This is not necessarily a new technology
as there have been similar inventions before of cameras with no lens as I have
found out. In the experiment, the camera sensor is attached to the side of and
pointed into a Plexiglas window while a LED light board is placed in front
of the pane at a 90-degree angle from the front of the sensor. After the camera
sensor receives the image, an algorithm created to decode images detect the
image using digital information.
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