function[stats] = graycoprops(srcImg, varargin)
[lhs, rhs] = argn(0)
srcMat = mattolist(srcImg)
select rhs
case 1 then
out = graycoprops(srcMat)
case 2 then
out = graycoprops(srcMat, varargin(1))
end
channels = size(out)
for i = 1:channels
stats(:,:,1) = out(1)
end
endfunction