Retrieval of cloud classification parameters using two-dimensional fast Fourier transform

Details Retrieval of cloud classification parameters using two-dimensional fast Fourier transform Retrieval of cloud classification parameters using two-dimensional fast Fourier transform

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ineps..97..159m&link_type=abstract

Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, Volume 97, Issue 2, pp.159-171

Physics

Cloud Classification Parameters, Satellite Cloud Images, Two-Dimensional Fast Fourier Transform, Power Spectrum, Laplacian Filter

Scientific paper

A method is presented for the retrieval of classification parameters of clouds observed by satellite-borne imaging systems. It is based on a two-dimensional fast Fourier transform of cloud images and an analysis of their power spectra. The parameters retrieved provide quantitative information on mean brightness, size, shape and directional properties of clouds. The efficacy of the subdivision of the original cloud image into smaller regions and the determination of individual parameters is demonstrated by applying this procedure to some NOAA and INSAT cloud images.

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