File list (Check if you may need any files):
matlab_source_code
..................\child_window.m
..................\downsample.m
..................\gaussian_pyramid.m
..................\lapfilter.m
..................\lapfilter_core.m
..................\lapfilter_demo.m
..................\laplacian_pyramid.m
..................\LICENSE
..................\numlevels.m
..................\pyramid_filter.m
..................\README
..................\reconstruct_laplacian_pyramid.m
..................\upsample.m