The method may further include performing {HEAD ~ wavelet compression} of the filtered data along the x dimension and along the y dimension to generate {TAIL ~ the compressed spectral image} 
to generate
The method may further include performing { HEAD ~ wavelet compression } of the filtered data along the x dimension and along the y dimension to generate { TAIL ~ the compressed spectral image }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL