The method may include receiving spectral image data, the spectral image data comprising spectral intensity values, each of {HEAD ~ the spectral intensity values} associated with {TAIL ~ a first spatial dimension} , a second spatial dimension and a wavelength dimension  
associated with
The method may include receiving spectral image data , the spectral image data comprising spectral intensity values , each of { HEAD ~ the spectral intensity values } associated with { TAIL ~ a first spatial dimension } , a second spatial dimension and a wavelength dimension
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH