Comparison of several methods for multi-scale DEM generalization in different landform areas

TitleComparison of several methods for multi-scale DEM generalization in different landform areas
Publication TypeConference Paper
Year of Publication2013
AuthorsQiao, Wan, and Chen Yumin
Conference NameGeomorphometry 2013
Date Published2013
Conference LocationNanjing, China
AbstractThere are various landforms in real word and numerous methods proposed previously for DEM generalization. When use different methods to generalize a DEM, the results vary greatly. Therefore, in order to get a most proper method to implement the generalization, we need take topographic information into consideration. This paper tested four methods widely used in DEM generalization and compared their performances in different landform areas. The results show the compound method delivered the best results amoung those algorithms. However, the four mehods all have its advantages and disadvantages, we can select the most proper one in different practical applications according to their different characteristics.
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