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Quality Evaluation of Spatial Data in Raster Format
Authors: Komárková Jitka | Sedlák Pavel | Šrámek Petr | Pitterle Jan
Year: 2011
Type of publication: článek ve sborníku
Name of source: AIASABEBI'11 Proceedings of the 11th WSEAS int. conf. on Applied informatics and communications, and Proceedings of the 4th WSEAS Int. conf. on Biomedical electronics and biomedical informatics
Publisher name: WSEAS Press
Place: Atény
Page from-to: 180-185
Titles:
Language Name Abstract Keywords
cze Hodnocení kvality prostorových dat v rastrovém formátu Správnost rozhodnutí může být ovlivněna kvalitou vstupních dat. Existují ISO standardy zabávající se kvalitou dat. Prostorová data mají řadu specifických vlastností, které musí být zahrnuty do hodnocení kvality dat. V příspěvku je popsána sada kritérií umožňující hodnotit kvalitu rastrových prostorových dat. S využitím navržené sady kritérií je v příspěvku ohodnocena kvalita zvolených dat. Kvalita dat; prostorová data; rastrová data; geodata; kvalita rastrových dat; ukazatele kvality
eng Quality Evaluation of Spatial Data in Raster Format A fast access to all relevant information is today a necessary precondition for decision-making process. It is supposed that information provided by an information system is at a sufficient quality level. To ensure a good quality of output information, only data of a good quality must be used. Therefore, many standards and data quality models have been developed. Later on, attention was focused on spatial data too. Spatial data have several specific properties so they cannot be evaluated directly according to the general quality models. The paper brings a short overview of spatial data quality evaluation and than it focuses on raster data. The main aim of the paper is to propose a set of quality characteristics and parameters for raster data within the framework of existing ISO standards. The proposed set is used to evaluate example data, which were chosen for solution of the given task. Results obtained using good and inappropriate data are shown too. Data quality; Spatial data; Raster data; Geodata; Raster data quality; Quality parameters

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