James P. Hobert, Stability Relationships among the Gibbs Sampler and Its Subchains, Journal of Computational and Graphical Statistics, Vol. 10, No. 2 (Jun., 2001), pp. 185-205 ...
The Gibbs sampler is used to produce a sample from the distribution of interest. At each iteration one randomly chosen pixel is updated according to its conditional distribution given the value of all ...