Abstract
This paper proposes an adaptive video super-resolution (SR) method based on superpixel-guided auto-regressive (AR) model. The key-frames are automatically selected and super-resolved by a sparse regression method. The non-key-frames are super-resolved by simultaneously exploiting the spatiotemporal correlations: the temporal correlation is exploited by a GPU-based optical flow method while the spatial correlation is modelled by a superpixel-guided AR model. Experimental results show that the proposed method outperforms the existing benchmark in terms of both subjective visual quality and objective peak-to-peak signal-to-noise ratio (PSNR). At the same time, the running time of the proposed method is the shortest in comparison with the state-of-the-art methods, which makes the proposed method suitable for practical applications.
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Zhu, Y., Li, K., Jiang, J., Yang, J. (2013). Adaptive Video Super-Resolution Based on Superpixel-Guided Auto-Regressive Model. In: Huet, B., Ngo, CW., Tang, J., Zhou, ZH., Hauptmann, A.G., Yan, S. (eds) Advances in Multimedia Information Processing – PCM 2013. PCM 2013. Lecture Notes in Computer Science, vol 8294. Springer, Cham. https://doi.org/10.1007/978-3-319-03731-8_42
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DOI: https://doi.org/10.1007/978-3-319-03731-8_42
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