2000
DOI: 10.1016/s0925-2312(99)00141-1
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Hierarchical clustering of self-organizing maps for cloud classification

Abstract: This paper presents a new method for segmenting multispectral satellite images. The proposed method is unsupervised and consists of two steps. During the rst step the pixels of a learning set are summarized by a set of codebook vectors using a Probabilistic Self-Organizing Map (PSOM, 9]) In a second step the codebook vectors of the map are clustered using Agglomerative Hierarchical Clustering (AHC,7]). Each pixel takes the label of its nearest codebook vector. A practical application to Meteosat images illustr… Show more

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Cited by 76 publications
(41 citation statements)
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“…Cavazos (1999Cavazos ( , 2000 used SOMs to identify and classify patterns representative of extreme wintertime precipitation in Central America and the Balkans respectively, identifying large-scale circulation anomalies associated with local extreme precipitation events. Ambroise et al (2000) used SOMs for cloud classification. Malmgren and Winter (1999) used SOMs to classify climate zones in Puerto Rico.…”
Section: Description Of the Self-organizing Map Algorithmmentioning
confidence: 99%
“…Cavazos (1999Cavazos ( , 2000 used SOMs to identify and classify patterns representative of extreme wintertime precipitation in Central America and the Balkans respectively, identifying large-scale circulation anomalies associated with local extreme precipitation events. Ambroise et al (2000) used SOMs for cloud classification. Malmgren and Winter (1999) used SOMs to classify climate zones in Puerto Rico.…”
Section: Description Of the Self-organizing Map Algorithmmentioning
confidence: 99%
“…This has been pointed out by many authors (Saunders 1986;Desbois et al 1982;Coakley 1983;Inoue 1985;Baum et al 1997;Jin and Rossow 1997). Different approaches have used the information from these spectral bands, for example, physically based threshold techniques Gléau 2005, 2010), clustering techniques without a priori knowledge (Sèze and Pawlowska 2001; Ambroise et al 2000), and neuronal and fuzzy logic approaches (Baum et al 1997;Miller and Emery 1997). Recently, the multispectral capabilities of the new generation of VIS and IR imagers, such as the Moderate Resolution Imaging Spectroradiometer (MODIS) on board the Terra and Aqua platforms or the Spinning Enhanced Visible and Infrared Imager (SEVIRI) on board the Meteosat geostationary satellite have been investigated.…”
Section: Introductionmentioning
confidence: 99%
“…In order to establish if there exist any such set of temporal stable patterns related to observed weather or climate phenomena we select weather station data described in [Flores et al, 1996]. The records of the observed weather temporal series [Ambroise et al¸2000;Malmgren and Winter, 1999 ;Tian et al, 1999] are clustered with SOM [Kohonen, 2001;Kasi, et al, 2000;Tirri, 1991;Duller, 1998] and rules describing each obtained cluster were built applying TDIDT [Quinlan, 1993] to each cluster records. The described process is shown in figure 1.…”
Section: Proposed Solutionmentioning
confidence: 99%