Abstract
The face image super-resolution is a domain specific problem. Human face has complex, and fixed domain specific priors, which should be detail explored in super-resolution algorithm. This paper proposes an effective single image face super-resolution method by pre-clustering training data and Bayesian non-parametric learning. After pre-clustering, face patches from different clusters represent different areas in face, and also offer specific priors on these areas. Bayesian non-parametric learning captures consistent and accurate mapping between coupled spaces. Experimental results show that our method produces competitive results to other state-of-the-art methods, with much less computational time.
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Acknowledgements
This research has been supported by funding from National Natural Science Foundation of China (61202168, and 61201234,61472278), Key project of Natural Science Foundation of Tianjin (14JCZDJC31700), and Tianjin Education Committee science and technology development Foundation (No. 20120802, 20130704).
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Wu, J., Zhang, H., Xue, Y., Zhou, M., Xu, G., Gao, Z. (2015). Single Face Image Super-Resolution via Multi-dictionary Bayesian Non-parametric Learning. In: Arik, S., Huang, T., Lai, W., Liu, Q. (eds) Neural Information Processing. ICONIP 2015. Lecture Notes in Computer Science(), vol 9489. Springer, Cham. https://doi.org/10.1007/978-3-319-26532-2_59
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DOI: https://doi.org/10.1007/978-3-319-26532-2_59
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