Google’s New AI Photo Upscaling Tech is Jaw-Dropping

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      eridani
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      https://petapixel.com/2021/08/30/googles-new-ai-photo-upscaling-tech-is-jaw-dropping/

      Photo enhancing in movies and TV shows is often ridiculed for being unbelievable, but research in real photo enhancing is actually creeping more and more into the realm of science fiction. Just take a look at Google’s latest AI photo upscaling tech.

      In a post titled “High Fidelity Image Generation Using Diffusion Models” published on the Google AI Blog (and spotted by DPR), Google researchers in the company’s Brain Team share about new breakthroughs they’ve made in image super-resolution.

      In image super-resolution, a machine learning model is trained to turn a low-res photo into a detailed high-res photo, and potential applications of this range from restoring old family photos to improving medical imaging.

      https://petapixel.com/assets/uploads/2021/08/enhancefeattt-800×420.jpg

      “SR3 is a super-resolution diffusion model that takes as input a low-resolution image, and builds a corresponding high resolution image from pure noise,” Google writes. “The model is trained on an image corruption process in which noise is progressively added to a high-resolution image until only pure noise remains. It then learns to reverse this process, beginning from pure noise and progressively removing noise to reach a target distribution through the guidance of the input low-resolution image.”

      Jesus: Hey, Dad? God: Yes, Son? Jesus: Western civilization followed me home. Can I keep it? God: Certainly not! And put it down this minute--you don't know where it's been! Tom Robbins in Another Roadside Attraction

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