X. Gao, J. Zhang, F. Jiang, X. Fan, S. Ma, and D. Zhao, “High-quality image interpolation via local autoregressive and nonlocal 3-D sparse regularization,” in 2012 Visual Communications and Image Processing, VCIP 2012, San Diego, CA, USA, November 27-30, 2012, 2012, pp. 1–6.