function wcb = FastUDWTTIGHTAnalysis(x, scale, qmf, par3) % FastUDWTTIGHTAnalysis -- Analysis operator for Undecimated DWT (TI) % The transform corresponds to a tight frame with constant 1, but % the atoms are not normalized to a unit l_2 norm but to 2^(-j/2). % Usage: % wcb = FastUDWTTIGHTAnalysis(x, scale, qmf) % Inputs: % x the signal, a column vector % scale the coarsest decomposition scale % qmf the quadrature mirror filter % Outputs: % wc the coefs, a structure array % See Also: % FastUDWTTIGHTSynthesis, mrdwttight, mirdwttight % [n,J] = dyadlength(x); if isstr(scale) scale=str2num(scale); end D = J-scale; [ll,wc,L] = mrdwttight(x,qmf,D); wcb = [wc(:);ll(:)];