India, July 8 -- If you've ever wished those old, blurry videos on your phone could look sharper and play more smoothly, there's some good news coming out of UNIST, South Korea. A group of researchers there, led by Professor Jaejun Yoo, has come up with a new AI model called BF-STVSR. The name's a mouthful, Bidirectional Flow-based Spatio-Temporal Video Super-Resolution, but what really matters is what it can do: make your videos both clearer and smoother at the same time.

Let's be honest, video quality usually boils down to two things, how sharp the picture looks and how smooth the motion feels. Most of the tools out there try to fix these issues separately. They use something called optical flow to figure out how things move from one f...