Agricultural statistics and space images in Madagascar : estimation of second rice season acreage in a sub-prefecture / Andrianasolo, Haja

Public ISBD Titre : Agricultural statistics and space images in Madagascar : estimation of second rice season acreage in a sub-prefecture Type de document : texte imprimé Auteurs : Andrianasolo, Haja, Année de publication : 1986 Importance : 4 p. Présentation : nb. réf. Format : Communication au COSPAR. 26. 30 juin 1986-12 juillet 1986. Toulouse .multigr. Catégories : SCIENCES AGRICOLES Mots-clés : MADAGASIKARA  ANALYSE DISCRIMINANTE  MAROVOAY  MAHAJANGA  TELEDETECTION  TRAITEMENT IMAGE  AGRICULTURE  PREVISION  RECOLTE  ORYZA Résumé : Space images are of great interest, particurlarly for acreages estimation of crops in agricultural statistics. But their use in an operational way can't be done without some problems, mainly those about costs, for developping countries. So must be found a way of reducing these three kinds of costs. It means that the appropriate method must be able to supply results on some area, even if it is not covered by all the images used. The author's approach tends to this, and comprises the following steps : 1) selection of a representative image, 2) selection of a date where most of the crops of a year are present, 3) stratification of the studied area, 4) construction of parameters for patterns (crops) recognition, 5) estimation of crops acreage in some area. Note de contenu : OPERATION DE RECHERCHE ATOB SB Niveau Bibliographique : 1 Indicateur Bibliographique : V Bull1 (Theme principale) : METHODES DE RELEVE Agricultural statistics and space images in Madagascar : estimation of second rice season acreage in a sub-prefecture [texte imprimé] / Andrianasolo, Haja,  . - 1986 . - 4 p. : nb. réf. ; Communication au COSPAR. 26. 30 juin 1986-12 juillet 1986. Toulouse .multigr. Catégories : SCIENCES AGRICOLES Mots-clés : MADAGASIKARA  ANALYSE DISCRIMINANTE  MAROVOAY  MAHAJANGA  TELEDETECTION  TRAITEMENT IMAGE  AGRICULTURE  PREVISION  RECOLTE  ORYZA Résumé : Space images are of great interest, particurlarly for acreages estimation of crops in agricultural statistics. But their use in an operational way can't be done without some problems, mainly those about costs, for developping countries. So must be found a way of reducing these three kinds of costs. It means that the appropriate method must be able to supply results on some area, even if it is not covered by all the images used. The author's approach tends to this, and comprises the following steps : 1) selection of a representative image, 2) selection of a date where most of the crops of a year are present, 3) stratification of the studied area, 4) construction of parameters for patterns (crops) recognition, 5) estimation of crops acreage in some area. Note de contenu : OPERATION DE RECHERCHE ATOB SB Niveau Bibliographique : 1 Indicateur Bibliographique : V Bull1 (Theme principale) : METHODES DE RELEVE

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Code-barres	Cote	Support	Localisation	Section	Disponibilité	Origine
13692	OR F B23795/3%OR M B25321/1%OR M B23795/1	Livre	OSRTOM (microfiche)	Bibliotheque DDI	Exclu du prêt

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