Photosphere google cardboard11/14/2023 ![]() moving you fast through tight spaces like a roller coaster or throwing things towards your face. Try dragging one of the images, you will see hidden parts appear.Īs Cardboard only has rotational tracking and has a rather low FoW, impressive 3D has to be kind of "in your face", e.g. Light field cameras like the Lytro based on a large number of micro-lenses can (partly) work around this. Stereoscopic recording pretty much only work if the user's head position is fixed for photos or the user moves on rails for video. Consequently this works best with HMDs with positional tracking, but you cannot even record this with a stereoscopic camera, as you would also have to record hidden objects that become visible after moving the head. If you look at your desk and move your head sideways, occlusion will change a lot more than the parallax. Making things worse, even the perception of the parallax at close range relies a lot on tiny changes in your head position. So for a panoramic view of the Grand Canyon stereoscopic photospheres wouldn't look any different than the current one. Beyond that things like focus blur (your eyes can only focus at a certain distance, things closer or farther away look blurry), occlusion (things partly hidden behind others are farther away) and comparison to known objects (a small looking house must be far away) are the cues the brain uses. At close range the parallax caused by the distance between the eyes dominates, but this only works for a few feet. ![]() Human perception relies on different factors for depth perception. For many photospheres the gain would be marginal.
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