All posts by 3DM

Restoration of defocused and blurred images.

Fascinating: Restoration of defocused and blurred images. Yuzhikov.com.

The author explains the theory of mathematically converting a blurred image back into a sharp image. Think about that for a moment.

To understand the theory, it is helpful to understand some basic linear algebra for the matrix math operations and is helpful to understand the basic of signal processing such as the Fourier function.

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3D Stereoscopes at historic mansion

Will visiting an historic mansion we lucked out – they also had a small display of historical stereoscopes. These are pictures that were printed on a card with separate left eye and right eye views, and then viewed with a stereoscopic viewer.

The ones we saw were probably a good 100 years old – pretty cool! I took 3D stereoscopic pictures of the viewers and will eventually post those here.

Amusingly, very little has changed in 100 years – apparently 100 years ago, people liked looking at 3D images of cute cats.  Just an early version of Youtube, we guess!

“3D with glasses is dead and 4K won’t sell”

Speaking at TV Connect in London, [HBO CTO] Zitter claimed that 3D TV that used glasses is dead and admitted that he is very sceptical over whether consumers will ever buy 4K televisions.

via 3D with glasses is dead and 4K won’t sell, says HBO tech chief | News | TechRadar.

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