Reference:

[1] S.C. Zhu, Y.N. Wu, and D.B.Mumford, "Minimax Entropy Principle and Its Applications
     to Texture Modeling", Neural Computation, 9, pp1627-1660, nov. 1997.

[2] S.C. Zhu, Y.N. Wu, and D.B.Mumford, "FRAME : Filters, Random fields And Maximum Entropy--- 
    towards a unified theory for texture modeling", Int'l Journal of Computer Vision, 27(2),
     pp1-20, 1998.

Remark: This page list some experimental results of Sampling the Julesz ensemble
        by Markov Chain Monte Carlo. Results are from [1,2], the use of these
        images in other places without the authors' permission is not allowed.