caa a22 4500 46792810X CHVBK 20180406152935.0 cr unu---uuuuu 170328e20060701xx s 000 0 eng 10.1007/s10109-006-0023-z doi (NATIONALLICENCE)springer-10.1007/s10109-006-0023-z Foody Giles School of Geography, University of Southampton, Highfield, SO17 1BJ, Southampton, UK aut What is the difference between two maps? A remote senser's view [Elektronische Daten] [Giles Foody] In remote sensing, thematic map comparison is often undertaken on a per-pixel basis and based upon measures of classification agreement. Here, the degree of agreement between two thematic maps, and so the difference between the pair, was evaluated through visual and quantitative analyses for two scenarios. Quantitative assessments were based on basic site-specific measures of agreement that are used widely in accuracy assessment (e.g. the overall percentage of pixels with the same class label in each of the two maps and the kappa coefficient of agreement) as well as an information theory based approach that allows the degree of mutual or shared information to be assessed even if different classification schemes have been used to produce the maps. The results indicated that in the first map comparison scenario, focused on labelling, there was a fair degree of correspondence between the maps but with an overall difference in information content of ∼42%. In the second comparison scenario, focused on change in time, considerable change had occurred with a change in class label for ∼42% of the pixels. It was also apparent that global assessments masked local scale changes. Springer-Verlag, 2006 Accuracy nationallicence Agreement nationallicence Mutual information nationallicence Classification nationallicence Kappa coefficient nationallicence Confusion matrix nationallicence Journal of Geographical Systems Springer-Verlag 8/2(2006-07-01), 119-130 1435-5930 8:2<119 2006 8 10109 https://doi.org/10.1007/s10109-006-0023-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10109-006-0023-z text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Foody Giles School of Geography, University of Southampton, Highfield, SO17 1BJ, Southampton, UK aut NATIONALLICENCE 773 0- Journal of Geographical Systems Springer-Verlag 8/2(2006-07-01), 119-130 1435-5930 8:2<119 2006 8 10109 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer