load_subimages_dataset.m

toolbox_dimreduc - a toolbox for dimension reduction methods This toolbox is an educational and rec

function S = load_subimages_dataset(name,nbr,options)

% load_subimages_dataset - create a dataset of subimages.
%
%	S = load_subimages_dataset(name,nbr,options);
% or 
%   S = load_subimages_dataset(M,nbr,options);
%
%   S(:,:,i) is the ith sub-image of size options.dim of the full image M
%       (or loaded from given name).
%
%   M is an image.
%	name is a valid image name (eg. 'lena' or 'barb' if barb.gif or lena.png are in the path)
%	nbr is the number of images loaded
%	options.dim is the size of the extracted small squares
%	options.sampling is either 'rand' or 'uniform'.
%
%   Copyright (c) 2005 Gabriel Peyr