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      Geographic Object-Based Image Analysis – Towards a new paradigm

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          Abstract

          The amount of scientific literature on (Geographic) Object-based Image Analysis – GEOBIA has been and still is sharply increasing. These approaches to analysing imagery have antecedents in earlier research on image segmentation and use GIS-like spatial analysis within classification and feature extraction approaches. This article investigates these development and its implications and asks whether or not this is a new paradigm in remote sensing and Geographic Information Science (GIScience). We first discuss several limitations of prevailing per-pixel methods when applied to high resolution images. Then we explore the paradigm concept developed by Kuhn (1962) and discuss whether GEOBIA can be regarded as a paradigm according to this definition. We crystallize core concepts of GEOBIA, including the role of objects, of ontologies and the multiplicity of scales and we discuss how these conceptual developments support important methods in remote sensing such as change detection and accuracy assessment. The ramifications of the different theoretical foundations between the per-pixel paradigm and GEOBIA are analysed, as are some of the challenges along this path from pixels, to objects, to geo-intelligence. Based on several paradigm indications as defined by Kuhn and based on an analysis of peer-reviewed scientific literature we conclude that GEOBIA is a new and evolving paradigm.

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          Object based image analysis for remote sensing

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            A review on image segmentation techniques

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                Author and article information

                Contributors
                Journal
                ISPRS J Photogramm Remote Sens
                ISPRS J Photogramm Remote Sens
                Isprs Journal of Photogrammetry and Remote Sensing
                Elsevier
                0924-2716
                1872-8235
                1 January 2014
                January 2014
                : 87
                : 100
                : 180-191
                Affiliations
                Department of Geoinformatics – Z_GIS, University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria
                Author notes
                [* ]Corresponding author. Tel.: +43 662 80445225. thomas.blaschke@ 123456sbg.ac.at
                Article
                S0924-2716(13)00222-0
                10.1016/j.isprsjprs.2013.09.014
                3945831
                24623958
                6f91b9fb-938f-4e08-ab74-0658f72ca06f
                © 2014 Elsevier B.V.

                This document may be redistributed and reused, subject to certain conditions.

                History
                : 12 July 2012
                : 10 August 2013
                : 30 September 2013
                Categories
                Article

                geobia,obia,giscience,remote sensing,image segmentation,image classification

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