Comparison of Digital Maps: Recognition and Quantitative Measure of Changes

Lev Spivak¹, Ivan Spivak², Alexey Sokolov¹, Sergey Voinov³

¹Dubna International University, Moscow Region, Russia.
²Real Geo Project, Moscow Region, Russia.
³University of Applied Sciences, Stuttgart, Germany.

DOI: 10.4236/jgis.2014.65036                

Abstract

A new methodology of comparing digital raster maps was proposed which allows not only detecting changes in the maps, but also obtaining quantitative measures of the importance of selected differences. Procedure of object interpretation of satellite images and forming of OMT (Object Map of Territory) is described. A list of allowable differences between two OMTs is defined. Two steps technique of quantitative measuring is proposed. At the first stage functions are constructed for calculating local measures of differences in the amount, areas and locations of objects on the map, as well as relations between the objects. In the second stage local measures are used to calculate the integral measure in order to get generalized assessment of difference between maps. The methods for constructing functions which calculate local and integral measures of differences are described. Examples of comparing and measuring the differences between OMTs are provided. Obtained results by utilizing this technique can be used to analyze trends, forecast of development and might be helpful for choosing most efficient scenarios for sustainable spatial planning and land management.

Keywords

Maps Comparison, Object Map of Territory, Change Detection, Local Measure of Difference, Integral Measure of Difference, Sustainable Spatial Planning and Land Management

Conflicts of Interest

The authors declare no conflicts of interest.

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