This directory contains some Matlab script files that serve to give example usage of this code, and also to explain some of the representations and algorithms. The files are NOT meant to be executed from the MatLab prompt (like many of the MatLab demos). You should instead read through the comments, executing the subsequent pieces of code. This gives you a chance to explore as you go... matlabPyrTools.m - Example usage of the code in the distribution. pyramids.m - An introduction to multi-scale pyramid representations, covering Laplacian, QMF/Wavelet, and Steerable pyramids. The file assumes a knowledge of linear systems, matrix algebra, and 2D Fourier transforms. more to come....