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Google’s new NeRF AI has learned to see in the dark better than any camera you own

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Computational photography is a big thing these days. Not only when it comes to smartphones but also with software for the desktop using photos shot with a “real camera”. One particular area where it’s beneficial is noise reduction. It’s built into many smartphone camera apps automatically and it’s available for the desktop in applications like Noise Ninja and Topaz DeNoise AI, not to mention denoising features built into apps like Lightroom.

Google’s new Neural Radiance Fields (NeRF) AI, titled RawNeRF (AKA NeRF in the Dark), however, blows them all away, with images that are not only so good they look almost flawless but it can then go on to generate completely artificial 3D scenes that you can move around in after the fact, as well as adjust exposure, gamma & tone mapping and even focus – including bokeh balls!

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This AI recreated a whole virtual San Francisco from 2.8 million photos

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AI-generated imagery and 3D content have come a long way in a very short space of time. It was only two years ago that Google researchers revealed NeRF, or Neural Radiance Fields, and less than two weeks ago NVIDIA blew us away with almost real-time generation of 3D scenes from just a few dozen still photographs using their “Instant NeRF” techniques.

Well, now, a new paper has been released by the folks at Waymo describing “Block-NeRF“, a technique for “scalable large scene neural view synthesis” – basically, generating really really large environments. And as a proof of concept, they recreated the city of San Francisco from 2.8 million photographs. And this video, Károly Zsolnai-Fehér at Two Minute Papers explains how it all works.

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This crazy new NVIDIA tech turns 2D photos into fully 3D scenes in seconds

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Creating 3-dimensional worlds and objects from flat 2-dimensional photographs isn’t a new concept. It’s been happening for years. In the early days (and still often, today), we used photographs inside 3D modelling software as reference images for our 3D creations. A few years pass and along comes photogrammetry, allowing the automatic creation of 3D models and scenes from a couple of hundred photos.

Photogrammetry often takes hours, but this new tech from NVIDIA can do it in seconds. And you don’t need hundreds of images in order to do it, either. Just a few dozen. The tech demo above illustrates the principle where NVIDIA reproduces an iconic image of Andy Warhol shooting a Polaroid camera and with just a relatively handful of images, it gets turned into a 3D scene with a virtual camera that can fly around it with ease.

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This AI uses tourist photos to create mind-blowing 3D renderings

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A team of researchers at Google has come up with really awesome use of all those photos of popular tourist spots. They’ve created an algorithm that takes those photos and turns them into realistic and very detailed 3D renderings. And the best of all is that it even edits out interfering objects and evens out the changes in lighting.

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Get your GoPro airborne by shoving it into a giant Nerf football and throwing it

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Drones have become the go-to method for getting you GoPro up in the air. But in more and more locations, new regulations limit where we can fly. But what other options do we have? Well, you could gaffer tape it to a coat hanger and swing it around your head on a piece of string. Or, you could stuff it into the front of a giant Nerf football and just throw it.

The latter is the option taken by Aer co-founder Mark de Boer and his friends. Sort of. It’s not an actual Nerf football, but the design of the Aer is very similar in appearance. You will notice, though, that this has much larger fins. These should help to keep it level and not spin wildly through the air as it travels, making for cleaner, steadier footage.

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