Monday, June 18, 2018

AI Artist


“If you go to Bing and you search for a bird, you get a bird picture. But here, the pictures are created by the computer, pixel by pixel, from scratch,” explained Xiaodong He, a principal researcher and research manager in the Deep Learning Technology Center at Microsoft’s research lab in Redmond, Washington, in Microsoft’s announcement. “These birds may not exist in the real world — they are just an aspect of our computer’s imagination of birds.”


The bot is able to generate a variety of images, researchers say, including everything from “ordinary pastoral scenes,” like those with grazing livestock, to the absurd –  like “a floating double-decker bus.”

Microsoft says the bot was trained on datasets of paired images and captions, allowing it to understand how to match up words to images. It learned to draw a bird, for example, when the caption says “bird,” and it learned what a picture of a bird should look like.

The drawing bot’s technology consists of two machine learning models – one to generate images from text descriptions, and another that uses text descriptions to judge the authenticity of the generated images. The former tries to get fake pictures past the latter, but the latter doesn’t want to be fooled. Combined, the two work together to create higher-quality images.

What’s especially interesting is how the bot can fill in the blanks when specific details aren’t mentioned – basically, it has a little common sense and imagination of its own, thanks to its training data. In the bird example, the bot will usually draw a bird sitting on a tree branch even if that’s not stated in the text, because the images originally fed to it often showed something similar.

Facebook, too, has worked on teaching neural networks to make small images of things like airplanes, cars and animals, and even creating your own Bitmoji-like avatar from a photo.

Nvidia researchers created computer-generated celebrities, using A.I.

It suggests the bot could act as a sketch assistant for painters or interior designers, or could be implemented as a tool for voice-activated photo refinement.

Further down the road, He says that, with more computing power, the technology could possibly generate animated films from screenplays to reduce the manual labor required today from animators.

But the technology isn’t there yet.

taken from external source..

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