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Data-efficient and self adapting imaging spectrometry method and an apparatus thereof

  • US 6,920,244 B2
  • Filed: 10/05/2001
  • Issued: 07/19/2005
  • Est. Priority Date: 10/06/2000
  • Status: Active Grant
First Claim
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1. A method for spectral imaging, the method comprising:

  • capturing high spectral resolution data of at least a first portion of a first scene using a first plurality of channels;

    determining a first set of channels from a second plurality of channels which can reconstruct spectra of the first portion of the first scene to satisfy a first error criterion when compared with the captured high spectral resolution data, wherein the first set of channels from the second plurality of channels comprises a smallest number of the plurality of channels which can be used to reconstruct spectra of the first portion of the first scene to satisfy a first error criterion when compared with the captured high spectral resolution data, wherein the determining further comprises performing an iterative optimization to determine a first set of channels from a second plurality of channels which can reconstruct spectra of the first portion of the first scene to satisfy a first error criterion when compared with the captured high spectral resolution data; and

    capturing pixel data of at least a second portion of at least the first scene using the first set of channels.

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