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Matlab

centralmoment.m：源码内容

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   %%                                                            %%
 %%       Prof. Sclaroff's CS585 Image avd Video Processing       %%
%%                         Project  ONE                            %%
%%           C H A R A C T E R   R E C O G N I T I O N             %%
%%                                                                 %%
%%                    by Stanislav Rost                    %%
 %%                       ID:  31764117                           %%
  %%                                                             %%
   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function result = centralmoment(j, k, matrix, width, height)
% CENTRALMOMENT.M
%
% Returns the value for the (j,k)- th central moment of matrix "matrix"
result = 0;
[ xcen, ycen ] = gravcenters(matrix, width, height);
for y = 1:height,
	for x = 1:width,
		if matrix(y,x) == 1
			result = result + (x - xcen)^j*(y - ycen)^k;
		end
	end
end

						