The quantitative evaluation of false colour photography with application of a red filter.

J.G.P.W. Clevers, H.T.C. van Stokkom

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Abstract








































Abstract


For monitoring (homogeneous) agricultural crops, a quantitative analysis of aerial photography tends to favour black and white multi-spectral aerial photography. For monitoring natural vegetation on the other hand, a visual interpretation may be of primary importance, necessitating false colour photography. If an additional quantitative analysis of false colour photography is required, e.g. for biomass assessment, application of a red filter (FCR) provides a considerable simplification of the analysis, resulting in broad-band red and near-infrared reflectance factors. The reflectance factor in the near-infrared shows a decreased contrast compared with black and white multi-spectral aerial photography. In practical applications, this decrease in contrast with FCR has to be weighed against the possibilities of a visual interpretation.
Original languageEnglish
Pages (from-to)1709-1733
JournalInternational Journal of Remote Sensing
Volume13
Issue number9
DOIs
Publication statusPublished - 1992

Keywords

  • agriculture
  • applications
  • photography
  • remote sensing

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