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Web 3D, Part 5: Glossary

Here’s an update of glossary I wrote at least ten years ago, when I was working in VR more head-on. I think this can be useful for the next set of Web 3D discussions, if only to serve as common anchor points for debate. I’m not going to claim that my definitions are the final word on anything, and they’re very basic from an academic point of view. But I think they can help structure the dialog in a constructive way.

So consider the following a basic glossary (with cheap visuals) of virtual worlds:
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3D from 2D Images

train

YouTube – Transforming a 2D image into 3D

The research web page has more info. I didn’t read the paper yet, but it seems to be inferring 3D information from just the 2D image, which is hard.

The video is pretty carefully navigated to avoid the black (or stretched-out) areas where there isn’t enough visual information to see (like if you tried to go to the side of the building that wasn’t included in the photo). The effect would happen quite a bit. But still, this is useful for being able to navigate slightly around 3D images, or, I imagine, if you have multiple images from multiple sides of an object, it might be enough to finish a sort of reasonable “convex hull” of the object.