Facebook is testing video style transfer on Android and iOS

''As video becomes an even more popular way for people to communicate, we want to give everyone state-of-the art creative tools to help you express yourself. ''

We recently began testing a new creative-effect camera in the Facebook app that helps people turn videos into works of art in the moment. That technique is called “style transfer.” It takes the artistic qualities of one image style, like the way Van Gogh paintings look, and applies it to other images and videos. It's a technically difficult trick to pull off, normally requiring the content to be sent off to data centers for processing on big-compute servers — until now. We've developed a new deep learning platform on mobile so it can — for the first time — capture, analyze, and process pixels in real time, putting state-of-the-art technology in the palm of your hand. This is a full-fledged deep learning system called Caffe2Go, and the framework is now embedded into our mobile apps. By condensing the size of the AI model used to process images and videos by 100x, we're able to run various deep neural networks with high efficiency on both iOS and Android. Ultimately, we were able to provide AI inference on some mobile phones at less than 1/20th of a second, essentially 50 ms — a human eye blink happens at 1/3rd of a second or 300 ms.

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