Research and Implementation of Modeling Grid DEM Based on Discrete Data - Inria - Institut national de recherche en sciences et technologies du numérique Accéder directement au contenu
Communication Dans Un Congrès Année : 2015

Research and Implementation of Modeling Grid DEM Based on Discrete Data

Jing Wang
  • Fonction : Auteur
  • PersonId : 996615
Kai Xia
  • Fonction : Auteur
  • PersonId : 996616
Xuegong Chen
  • Fonction : Auteur
  • PersonId : 996617

Résumé

Interpolation method is used to construct regular grid DEM (Digital Elevation Model) based on discrete data. The key to DEM interpolation algorithm lies in the efficiency of data search around the points to be operated and the precision of DEM interpolation by selecting an appropriate interpolation function model. At present, the point by point interpolation is very common. Based on the comparison and analysis of characteristics and application scope of various DEM interpolation algorithms, this paper proposed a new interpolation model which combines distance-weighted average method and least squares fitting method. Results show that proposed method can improve search speed and interpolation accuracy remarkably and has good application value for large area.
Fichier principal
Vignette du fichier
978-3-319-19620-6_22_Chapter.pdf (342.6 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-01420230 , version 1 (20-12-2016)

Licence

Paternité

Identifiants

Citer

Jing Wang, Kai Xia, Xuegong Chen. Research and Implementation of Modeling Grid DEM Based on Discrete Data. 8th International Conference on Computer and Computing Technologies in Agriculture (CCTA), Sep 2014, Beijing, China. pp.175-184, ⟨10.1007/978-3-319-19620-6_22⟩. ⟨hal-01420230⟩
34 Consultations
81 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More