张量投票在matlab环境下的仿真。球型张量及棒型张量的仿真

				function f = build_gaussian_filter_2d(n,s)
				
				% build_gaussian_filter_2d - compute a 2D Gaussian filter.
				%
				%   f = build_gaussian_filter_2d(n,s);
				%
				%   Copyright (c) 2004 Gabriel Peyr