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Title: Integrating fine scale information in super-resolution land cover mapping
Authors: Boucher, Alexandre 
Kyriakidis, Phaedon 
Keywords: Super-resolution;Sub-pixel class;Mapping;Land-cover classes;Satellite sensor;Measurements
Category: Environmental Biotechnology
Field: Engineering and Technology
Issue Date: Aug-2007
Publisher: American Society for Photogrammetry and Remote Sensing
Source: Photogrammetric Engineering & Remote Sensing, 2007, Volume 73, Issue 8, pages 913–921
Abstract: Super-resolution or sub-pixel class mapping is the task of providing fine spatial resolution maps of, for example, landcover classes, from satellite sensor measurements obtained at a coarser spatial resolution. Often, the only information available consists of coarse class fraction data, typically obtained through spectral unmixing. This paper shows how to integrate, in addition to such coarse fractions, class labels at a set of fine pixels obtained independent of the satellite sensor measurements. The integration of such fine spatial resolution information is achieved within the Indicator Kriging formalism in either a prediction or simulation mode. The spatial dissimilarity or texture of class labels at the fine (target) resolution is quantified in a non-parametric way from an analog scene using a set of experimental indicator semivariogram maps. The output of the proposed procedure consists of maps of probabilities of class occurrence, or of a series of simulated class maps characterizing the inherent spatial uncertainty in the super-resolution mapping process.
DOI: 10.14358/PERS.73.8.913
Rights: © American Society for Photogrammetry and Remote Sensing
Type: Article
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