Geographic Object-Based Image Analysis – Towards a new paradigm

Geographic Object-Based Image Analysis – Towards a new paradigm

12 July 2012 | Thomas Blaschke, Geoffrey J. Hay, Maggi Kelly, Stefan Lang, Peter Hofmann, Elisabeth Addink, Raul Queiroz Feitosa, Freek van der Meer, Harald van der Werff, Frieke van Coillie, Dirk Tiede
The article "Geographic Object-Based Image Analysis – Towards a new paradigm" by Thomas Blaschke et al. explores the evolution and implications of Geographic Object-Based Image Analysis (GEOBIA) in remote sensing and Geographic Information Science (GIScience). The authors discuss the limitations of traditional per-pixel methods in high-resolution imagery and introduce GEOBIA as a new paradigm that addresses these limitations. They argue that GEOBIA, which focuses on analyzing image objects rather than individual pixels, offers more accurate and contextually rich results. The article reviews the development of GEOBIA, its core concepts, and its applications in change detection and accuracy assessment. It also examines the theoretical foundations of GEOBIA, including the role of objects, ontologies, and scales, and compares it to the per-pixel paradigm. The authors conclude that GEOBIA is a new and evolving paradigm that bridges remote sensing, image analysis, and GIS analysis, and has significant implications for the field of remote sensing and GIScience.The article "Geographic Object-Based Image Analysis – Towards a new paradigm" by Thomas Blaschke et al. explores the evolution and implications of Geographic Object-Based Image Analysis (GEOBIA) in remote sensing and Geographic Information Science (GIScience). The authors discuss the limitations of traditional per-pixel methods in high-resolution imagery and introduce GEOBIA as a new paradigm that addresses these limitations. They argue that GEOBIA, which focuses on analyzing image objects rather than individual pixels, offers more accurate and contextually rich results. The article reviews the development of GEOBIA, its core concepts, and its applications in change detection and accuracy assessment. It also examines the theoretical foundations of GEOBIA, including the role of objects, ontologies, and scales, and compares it to the per-pixel paradigm. The authors conclude that GEOBIA is a new and evolving paradigm that bridges remote sensing, image analysis, and GIS analysis, and has significant implications for the field of remote sensing and GIScience.
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