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An Introduction to Data-Efficient Spectral Imaging

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Until now, descriptions in the literature of capture systems for multi-channel visible-spectrum imaging (MVSI) have been dominated by a pair of designs. The first of these designs is extremely general. It acquires images through a large number of filtered channels each with a narrow spectral bandpass. Disadvantages are associated with low light throughput per channel and a torrent of image data. A second popular approach offers higher light throughput and lower data demands because it depends upon a limited number of wide-bandwidth channels chosen with prior knowledge of scene contents. Unfortunately, this second approach is customized to scene contents so it is not a general solution. Hybrid approaches are introduced here that combine the generality of a many-narrow-channels solution with the lower data demands of a customized, wide-band system.
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Document Type: Research Article

Publication date: January 1, 2002

More about this publication?
  • Started in 2002 and merged with the Color and Imaging Conference (CIC) in 2014, CGIV covered a wide range of topics related to colour and visual information, including color science, computational color, color in computer graphics, color reproduction, volor vision/psychophysics, color image quality, color image processing, and multispectral color science. Drawing papers from researchers, scientists, and engineers worldwide, DGIV offered attendees a unique experience to share with colleagues in industry and academic, and on national and international standards committees. Held every year in Europe, DGIV papers were more academic in their focus and had high student participation rates.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual papers for details.

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