For the last few weeks, Googlers have been obsessed with a internal visualization tool that Alexander Mordvintsev in our Zurich office created to help us visually understand some of the things happening inside our deep neural networks for computer vision. The tool essentially starts with an image, runs the model forwards and backwards, and then makes adjustments to the starting image in weird and magnificent ways.
In the same way that when you are staring at clouds, and you can convince yourself that some part of the cloud looks like a head, maybe with some ears, and then your mind starts to reinforce that opinion, by seeing even more parts that fit that story ("wow, now I even see arms and a leg!"), the optimization process works in a similar manner, reinforcing what it thinks it is seeing. Since the model is very deep, we can tap into it at various levels and get all kinds of remarkable effects.
Alexander, , and Mike Tyka wrote up a very nice blog post describing how this works:
There's also a bigger album of more of these pictures linked from the blog post:
I just picked a few of my favorites here.
He's also posted a full new album called Kindred Shadow https://www.youtube.com/watch?v=MJSoZa2aTrE
Great new tutorial about the lighting on the Unity site: http://unity3d.com/learn/tutorials/modules/beginner/graphics/lighting-and-rendering
I also made a quick VR version of this scene using the integrated Rift support in Unity 5.1. Very nice to just check a box and build for the Rift without any plugins or special camera setup. Works direct to the Rift in the Unity editor, too. Tricksy
Demo build for Windows: http://www.reddit.com/r/oculus/comments/399b2w/simple_demo_using_unity_51_integrated_rift_support/
This works well in YouTube's 360 video viewer on desktop Chrome or the iOS/Android app. Looks even better in the Rift or Gear VR. You can download the mp4 vid file at Archive.org https://archive.org/details/FataMorganaVR
- Bachelor of Fine Arts, Sculpture - RMCAD
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