def getLaplacianOfGaussianSpectrum(a, sigmas=sigmas, thres=thresPreprocessing, outputFolder=outputFolder,
                                     spectrumType="numerical",      #2014-06-23
                                     useLogScale= False,        #2014-06-23
                                     toReload=True,):
Merge http://github.com/yaukwankiu/armor