The method may also include applying a window to the spectral image data along the λ dimension, {TAIL ~ the window} configured to select a subset of the spectral image data corresponding to {HEAD ~ a range} of wavelengths 
The method may also include applying a window to the spectral image data along the λ dimension , { TAIL ~ the window } configured to select a subset of the spectral image data corresponding to { HEAD ~ a range } of wavelengths
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH