Quantitative subpixel spectral detection of targets in multispectral images

Details Quantitative subpixel spectral detection of targets in multispectral images Quantitative subpixel spectral detection of targets in multispectral images

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....97.2659s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. E2, Feb. 25, 1992, p. 2659-2672.

Physics

47

Image Analysis, Multispectral Photography, Spectrum Analysis, Target Recognition, Frequency Response, Pixels, Reflectance, Remote Sensing, Thresholds (Perception)

Scientific paper

The conditions that affect the spectral detection of target materials at the subpixel scale are examined. Two levels of spectral mixture analysis for determining threshold detection limits of target materials in a spectral mixture are presented, the cases where the target is detected as: (1) a component of a spectral mixture (continuum threshold analysis) and (2) residuals (residual threshold analysis). The results of these two analyses are compared under various measurement conditions. The examples illustrate the general approach that can be used for evaluating the spectral detectability of terrestrial and planetary targets at the subpixel scale.

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