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Space-Time Super-Resolution Using Deep Learning Based Framework
M. Sharma, , B. Lall
Published in Springer Verlag
Volume: 10597 LNCS
Pages: 582 - 590
This paper introduces a novel end-to-end deep learning framework to learn space-time super-resolution (SR) process. We propose a coupled deep convolutional auto-encoder (CDCA) which learns the non-linear mapping between convolutional features of up-sampled low-resolution (LR) video sequence patches and convolutional features of high-resolution (HR) video sequence patches. The upsampling in LR video refers to tri-cubic interpolation both in space and time. We also propose a H.264/AVC compatible video space-time SR framework by using learned CDCA, which enables to super-resolve compressed LR video with less computational complexity. The experimental results prove that the proposed H.264/AVC compatible framework performs better than the state-of-art techniques on space-time SR in terms of quality and time complexity. © 2017, Springer International Publishing AG.