H. E. Gerhard, L. Theis, and M. Bethge. Modeling Natural Image Statistics. Biologically-inspired Computer Vision—Fundamentals and Applications, Wiley VCH, 2015.

L. Theis, J. Sohl-Dickstein, and M. Bethge. Training sparse natural image models with a fast Gibbs sampler of an extended state space. Advances in Neural Information Processing Systems 25, November 2012.