4 ms·

The kind of display you're looking for is going to need a pixel count far, far beyond "retina" displays, given the large field of vision.

by drcode 11y ago

amelius 11y ago
The high resolution needs to be only at the center of the field of vision. Outside the center, low res will do fine.
- garblegarble 11y ago
  >The high resolution needs to be only at the center of the field of vision. Outside the center, low res will do fine. It sounds like you're describing foveated rendering[1] which requires that the headset also track where your eyes are looking, not just the direction of your head. It's a very exciting possible future direction for VR/AR but I think it's still a bit off (and likely still requires very high resolution miniaturised display for the foreseeable future) [1] http://www.roadtovr.com/hands-on-smi-proves-that-foveated-rendering-is-here-and-it-really-works/ http://www.roadtovr.com/hands-on-smi-proves-that-foveated-re...
- dragonwriter 11y ago
  > The high resolution needs to be only at the center of the field of vision. Outside the center, low res will do fine. The problem with that idea for goggles is that the "field of vision" doesn't have a fixed center relative to the display, because eyes can move independently of the head (and do in normal human interaction with the environment.)
  - drdaeman 11y ago
    Obviously, the device needs to track pupils (well, lens, to be exact), not head. Sort of what ophthalmic auto-refractometers do, although not exactly (well, if it'd measure focal length it can solve the issue of lacking true DoF that modern 3D suffers from, yay!) (On a slightly unrelated note: Is there any headsets with VRDs with deformable mirrors that do this? The idea's decades old, but I haven't ever heard about any devices like that on the market.)
    - robotresearcher 11y ago
      And then you'd mechanically move the high-res screens to stay in the fovea? Eyeballs move very fast. Sounds expensive at best.
      - drdaeman 11y ago
        Nah, that's not usable with screens. You surely can't swing a display matrix, trying to keep up withe eye. :) But with projector (so-called VRDs, virtual retinal displays) and a deformable mirrors it's possible. At least this was discussed in theoretical literature, articles and various patents - I've read about this stuff a bit, some years ago.
  - ryandamm 11y ago
    So we just need a heavy dose of botox in our eye muscles. Problem solved.
- saiya-jin 11y ago
  ... but since you move not only your head but also your eyes, it would be much harder to implement?

The kind of display you're looking for is going to need a pixel count far, far beyond "retina" displays, given the large field of vision.

by drcode 11y ago

The kind of display you're looking for is going to need a pixel count far, far beyond "retina" displays, given the large field of vision.

amelius 11y ago

The high resolution needs to be only at the center of the field of vision. Outside the center, low res will do fine.

garblegarble 11y ago
>The high resolution needs to be only at the center of the field of vision. Outside the center, low res will do fine. It sounds like you're describing foveated rendering[1] which requires that the headset also track where your eyes are looking, not just the direction of your head. It's a very exciting possible future direction for VR/AR but I think it's still a bit off (and likely still requires very high resolution miniaturised display for the foreseeable future) [1] http://www.roadtovr.com/hands-on-smi-proves-that-foveated-rendering-is-here-and-it-really-works/ http://www.roadtovr.com/hands-on-smi-proves-that-foveated-re...
dragonwriter 11y ago
> The high resolution needs to be only at the center of the field of vision. Outside the center, low res will do fine. The problem with that idea for goggles is that the "field of vision" doesn't have a fixed center relative to the display, because eyes can move independently of the head (and do in normal human interaction with the environment.)
- drdaeman 11y ago
  Obviously, the device needs to track pupils (well, lens, to be exact), not head. Sort of what ophthalmic auto-refractometers do, although not exactly (well, if it'd measure focal length it can solve the issue of lacking true DoF that modern 3D suffers from, yay!) (On a slightly unrelated note: Is there any headsets with VRDs with deformable mirrors that do this? The idea's decades old, but I haven't ever heard about any devices like that on the market.)
  - robotresearcher 11y ago
    And then you'd mechanically move the high-res screens to stay in the fovea? Eyeballs move very fast. Sounds expensive at best.
    - drdaeman 11y ago
      Nah, that's not usable with screens. You surely can't swing a display matrix, trying to keep up withe eye. :) But with projector (so-called VRDs, virtual retinal displays) and a deformable mirrors it's possible. At least this was discussed in theoretical literature, articles and various patents - I've read about this stuff a bit, some years ago.
- ryandamm 11y ago
  So we just need a heavy dose of botox in our eye muscles. Problem solved.
saiya-jin 11y ago
... but since you move not only your head but also your eyes, it would be much harder to implement?