{HEAD ~ The method} may further include performing a Fourier transform on the windowed spectral image data along the λ dimension, the Fourier transform performed at locations along the x dimension and the y dimension Fourier coefficients associated with {TAIL ~ each} of the locations 
{ HEAD ~ The method } may further include performing a Fourier transform on the windowed spectral image data along the λ dimension , the Fourier transform performed at locations along the x dimension and the y dimension Fourier coefficients associated with { TAIL ~ each } of the locations
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH