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Free Adaptive Super-resolution via Transfer (FAST) is a patented technique that accelerates image-based transfer on compressed videos to enhance video resolution. FAST leverages the inter-frame similarity between adjacent frames in a video sequence with a typical frame rate of 30 fps (frames per second). For further acceleration, FAST uses non-overlapping block division embedded in the compressed video to avoid redundant computations in the transfer process. These key features of FAST promote efficient and accelerated super-resolution by exploiting information already embedded in compressed videos.

FAST accelerates state-of-the-art super-resolution algorithms (e.g. SR-CNN) by up to an order of magnitude with acceptable quality loss up to 0.2 dB and is an important step towards enabling real-time super-resolution on streamed videos for large displays.