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您的检索式：作者名="Stefan Leyk"
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| 1 | Colors of the past: color image segmentation in historical topographic maps based on homogeneity显示文摘 | Stefan Leyk Ruedi Boesch | 2009 | Geoinformatica2009，，： | 1 |
| 2 | Exposing the urban continuum:implications and crosscomparison from an interdisciplinary perspective显示文摘There is an increasing availability of geospatial data describing patterns of human settlement and population such as various global remote-sensing based built-up land layers,fine-grained census-based population estimates,and publicly available cadastral and building footprint data.This development constitutes new integrative modeling opportunities to characterize the continuum of urban,peri-urban,and rural settlements and populations.However,little research has been done regarding the agreement between such data products in measuring human presence which is measured by different proxy variables(i.e.presence of built-up structures derived from different remote sensors,census-derived population counts,or cadastral land parcels).In this work,we quantitatively evaluate and cross-compare the ability of such data to model the urban continuum,using a unique,integrated validation database of cadastral and building footprint data,U.S.census data,and three different versions of the Global Human Settlement Layer(GHSL)derived from remotely sensed data.We identify advantages and shortcomings of these data types across different geographic settings in the U.S.,which will inform future data users on implications of data accuracy and suitability for a given application,even in data-poor regions of the world. | Johannes H.Uhl Hamidreza Zoraghein Stefan Leyk Deborah Balk Christina Corbane Vasileios Syrris Aneta JFlorczyk | 2020 | International Journal of Digital Earth2020，13，1： | 0 |
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