RAISR sharp: Google uses machine learning to create high-resolution images from low-resolution …

by Jeremy Gray posted Sunday, February 5, 2017 at 6:00 AM EST We missed Google RAISR back when the company showed it off last November, but Amateur Photographer covered it recently and it’s worth discussing. RAISR, which stands for Rapid and Accurate Image Super-Resolution, utilizes machine learning to sharpen low-resolution images. Google claims that not only are the results from RAISR as good or better than comparable methods, but RAISR can produce its results 10 to 100 times faster, resulting in the process being able to run in real-time on a mobile device. This is certainly an impressive feat, but RAISR can also avoid aliasing artifacts in the final image, even when artifacts exist in the low-resolution original. You can read more about RAISR’s learning process in Google’s post, but…


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