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In this paper, we established a new general semiautomatic building rooftop extraction method applied for high resolution satellite imagery. Based on investigation of the current existed methods for building extraction and its feature extraction, a general framework of building rooftop extraction is proposed. To extract the precise building roof boundary, an seeded region growth segmentation or localized...
This paper presents a novel graph search schema for right-angle building extraction from high resolution aerial and satellite image subsets which contain a building. As the schema is a edge-driven and bottom-up approach, emphasis is put on elimination of spurious and insignificant low-level image features. In real-world, most buildings are comprised of several sequential corners. We classify the corners...
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