Nvidia claims it has developed an approach that accomplishes this task almost instantly.
Nvidia used this approach with a new technology calledneural radiance fields, or NeRF.
The company says the result, dubbed Instant NeRF, is the fastest NeRF technique to date.

Nvidia
The 3D models will be used extensively in virtual reality and AR applications, Quinton predicted.
To create a Bokeh effect (aka portrait mode or cinematic mode), 3D depth mapping is necessary.
The technique is used on almost every smartphone.

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