3 ms·

To have realistic 3D technology you need to have 3 things: 1. Stereopsis - different image for both eyes. 2. Accommodation - ability of eye lense to focus on

by nabla9 4y ago

To have realistic 3D technology you need to have 3 things: 1. Stereopsis - different image for both eyes. 2. Accommodation - ability of eye lense to focus on different distances. 3. Vergence - eyes rotate slightly inward or outward so that the projection of an image is always in the center of both retinas Modern 3d technology (movies, VR) provides only sereopsis without accommodation or vergence and vergence-accommodation conflict can cause headaches. You also notice that if you look at different part of the screen from where the movie camera is focused on, the image is blurry. Basic lens-screen technology can't solve all these problems. For VR you need either eye tracking (it's coming) light field technology or hologram technology. This is why VR is still work in progress. You can make passable 3d movie if you try really hard (James Cameron, Avatar) but then you must direct the movie differently 3d always in mind. Most 3d movies don't do this. They just slap 3d in as an afterthought to save money. Panoramic scenes with objects at different distances where eyes can scan the scene don't come out well.

scheeseman486 4y ago
Meta has a varifocal VR HMD prototype using some kind of stack of switchable prisms to adjust focus based on eye gaze with the rest of the hardware off the shelf, theoretically solving 2 and 3 without needing entirely new display assemblies. Lightfield captures, particularly video, are jaw dropping even using current headsets. The only things I've seen are Google's demo, mostly clips of common day things like ocean waves, a dude with some angle grinder (the sparks!) and of course a doggy. It's a little soft and there's some artifacts when moving your head too much, but when it works it's very convincing. I think there's potential there for narrative film making, but you are not wrong to call it a work in progress.

by nabla9 4y ago

scheeseman486 4y ago

Meta has a varifocal VR HMD prototype using some kind of stack of switchable prisms to adjust focus based on eye gaze with the rest of the hardware off the shelf, theoretically solving 2 and 3 without needing entirely new display assemblies. Lightfield captures, particularly video, are jaw dropping even using current headsets. The only things I've seen are Google's demo, mostly clips of common day things like ocean waves, a dude with some angle grinder (the sparks!) and of course a doggy. It's a little soft and there's some artifacts when moving your head too much, but when it works it's very convincing. I think there's potential there for narrative film making, but you are not wrong to call it a work in progress.