A, B, and C are examples of different textured images (grayscale). Each matrix object contains an image. Each entry of the matrix contains an image intentsity value.
data(textures)Matricies of varying sizes which each contain a textured image
Eckley, I.A. and Nason, G.P. (2011). LS2W: Implementing the Locally Stationary 2D Wavelet Process Approach in R, Journal of Statistical Software, 43(3), 1-23. URL http://www.jstatsoft.org/v43/i03/.