Simulation of DCT, Walsh, Hadamard, Haar and Slant transform using variable block sizes

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Performs non sinusoidal image transforms on gray-scale images and DCT using the dct matrix.

t=getInvHaarTransform(im,N)
function t=getInvHaarTransform(im,N)
h=haarmtx(N);
t=h'*im*h;

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