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Their technology trademark is 'Dynamic Digitized Lightfield Signal'. A lightfield camera has multiple lenses to record multiple focal points simultaneously. Hav

by achr2 12y ago

Their technology trademark is 'Dynamic Digitized Lightfield Signal'. A lightfield camera has multiple lenses to record multiple focal points simultaneously. Have they found a way to reverse this concept, 'project' to a wearable an eye refocusable image? Their list of job openings leads to a lot of possibilities.

XorNot 12y ago
There's no theoretical reason this wouldn't be possible - there's been a lot of very cool work on lightfield technology. The best I remember was a display where by adding multiple LCD layers (3 I think) and calculating a high frequency distortion signal, you could achieve wide-field of view 3D TV, glasses-free, with pre-rendered images. There's other work to do the same thing to the retina - throw a lightfield at it which simulates the proper wavefronts to focus a 3D image at a short distance. Of course this is all kind of begging the question of what this company is actually doing: for example, the big problem not answered is where they get the portable processing power to make this work, and what the actual resolution is? The Oculus Rift already tells us 1080p is not enough and even 1440p will be imperfect. Of course you could try to end run around the problem: I've been curious what you could do with 3-color lasers shone through an interferometer setup mounted on piezoelectrics, so you could add or subtract interference peaks by advancing the mirrors a few nanometers and then scanning the output over the eye (or, as one company is doing - using a DLP mirror chip). Focus that laser beam small enough, and you'd be addressing individual rod and cone receptors in the retina, granting infinite focus to any projected image. EDIT: Looking at that jobs page, a laser and fiber optic engineer being top position seems very intriguing.
- nawitus 12y ago
  But the Rift has a very high FOV compared to what many AR applications require. If you only need to draw a relatively small AR object instead of drawing the whole FOV, 1080p goes a long way. Kinda like the 1080p laptop screen in front of me is cleary enough, but stretching that to the whole FOV decreases the pixel density too much.
aqme28 12y ago
Yes. Here's a little overview of some of what I've heard is their technology: https://www.youtube.com/watch?v=deI1IzbveEQ https://www.youtube.com/watch?v=deI1IzbveEQ It's interesting to note that the speaker now works at Oculus.
- achr2 12y ago
  That was quite impressive. Hadn't seen this tech before. I wonder how well the eye/brain can interpolate a discrete number of focal planes?

by achr2 12y ago

XorNot 12y ago

There's no theoretical reason this wouldn't be possible - there's been a lot of very cool work on lightfield technology. The best I remember was a display where by adding multiple LCD layers (3 I think) and calculating a high frequency distortion signal, you could achieve wide-field of view 3D TV, glasses-free, with pre-rendered images. There's other work to do the same thing to the retina - throw a lightfield at it which simulates the proper wavefronts to focus a 3D image at a short distance. Of course this is all kind of begging the question of what this company is actually doing: for example, the big problem not answered is where they get the portable processing power to make this work, and what the actual resolution is? The Oculus Rift already tells us 1080p is not enough and even 1440p will be imperfect. Of course you could try to end run around the problem: I've been curious what you could do with 3-color lasers shone through an interferometer setup mounted on piezoelectrics, so you could add or subtract interference peaks by advancing the mirrors a few nanometers and then scanning the output over the eye (or, as one company is doing - using a DLP mirror chip). Focus that laser beam small enough, and you'd be addressing individual rod and cone receptors in the retina, granting infinite focus to any projected image. EDIT: Looking at that jobs page, a laser and fiber optic engineer being top position seems very intriguing.

nawitus 12y ago
But the Rift has a very high FOV compared to what many AR applications require. If you only need to draw a relatively small AR object instead of drawing the whole FOV, 1080p goes a long way. Kinda like the 1080p laptop screen in front of me is cleary enough, but stretching that to the whole FOV decreases the pixel density too much.

aqme28 12y ago

Yes. Here's a little overview of some of what I've heard is their technology: https://www.youtube.com/watch?v=deI1IzbveEQ https://www.youtube.com/watch?v=deI1IzbveEQ It's interesting to note that the speaker now works at Oculus.

achr2 12y ago
That was quite impressive. Hadn't seen this tech before. I wonder how well the eye/brain can interpolate a discrete number of focal planes?