Multi-temporal analysis based on remotely sensed data has played an important role in detecting changes, typically by creating land use maps from remotely sensed images acquired at different dates. However, general classification may present a number of drawbacks such as: i) an implicit degradation of the information content of images due to classification, coupled with ii) the loss of the continuous information about landscape processes, and iii) problems related to downscaling once images are classified with different resolutions. Alternative approaches based on continuous information for detecting landscape changes have been proposed, including fuzzy set theory, spectral unmixing, support vector machines, neural networks. The aim of this study is to describe Fourier transform open source functions to detect potential changes over the landscape.

Rocchini, D.; Metz, M.; Ricotta, C.; Landa, M.; Frigeri, A.; Neteler, M.G. (2012). Fourier transforms: a continuum of functions to explore landscape dynamics in an open source space. In: Lee, E.J. et al. (eds) (2012). 55th symposium of the International Association for Vegetation Science: climate change and vegetation science, Mokpo, South Korea, 23-28 July 2012: 197. ISBN: 978-89-97005-24-5. url: http://www.iavs.org/pdf/iavs_abstract_final.pdf handle: http://hdl.handle.net/10449/22472

Fourier transforms: a continuum of functions to explore landscape dynamics in an open source space

Rocchini, Duccio;Metz, Markus;Neteler, Markus Georg
2012-01-01

Abstract

Multi-temporal analysis based on remotely sensed data has played an important role in detecting changes, typically by creating land use maps from remotely sensed images acquired at different dates. However, general classification may present a number of drawbacks such as: i) an implicit degradation of the information content of images due to classification, coupled with ii) the loss of the continuous information about landscape processes, and iii) problems related to downscaling once images are classified with different resolutions. Alternative approaches based on continuous information for detecting landscape changes have been proposed, including fuzzy set theory, spectral unmixing, support vector machines, neural networks. The aim of this study is to describe Fourier transform open source functions to detect potential changes over the landscape.
Fourier transform
Trasformata di Fourier
978-89-97005-24-5
2012
Rocchini, D.; Metz, M.; Ricotta, C.; Landa, M.; Frigeri, A.; Neteler, M.G. (2012). Fourier transforms: a continuum of functions to explore landscape dynamics in an open source space. In: Lee, E.J. et al. (eds) (2012). 55th symposium of the International Association for Vegetation Science: climate change and vegetation science, Mokpo, South Korea, 23-28 July 2012: 197. ISBN: 978-89-97005-24-5. url: http://www.iavs.org/pdf/iavs_abstract_final.pdf handle: http://hdl.handle.net/10449/22472
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