How to predict next image in a sequence, or predict the deblurring of an image?
There is no extra information in the 720p and 480p images that is not already in the 1080p image. You can do the interpolation on the 1080p image. A recent work that may be of interest to you is Ledig et al. Photo-Realistic Single Image Super-Resolution Using a Generative Adversarial Network, arXiv:1609.04802v5, 15 Sep 2016 (v1), last revised 25 May 2017. But if your work is for scientific purposes rather than for looks, then it is probably best to use traditional interpolation methods that do not try to increase the resolution by making up new data.