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- W2141569496 abstract "This paper proposes a method for the automatic extr action of building roof contours from a LiDAR-derived digital surface model (DSM). The method is based on two steps. First, to detect aboveground objects (buildings , trees, etc.), the DSM is segmented through a recursive splitting technique followed by a region merging process. Vectorization and polygonization are used to obtain polyline repr esentations of the detected aboveground objects. Se cond, building roof contours are identified from among the abovegr ound objects by optimizing a Markov-random-field-based energy function that embodies roof contour attribut es and spatial constraints. Preliminary results hav e shown that the proposed methodology works properly." @default.
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- W2141569496 date "2011-12-01" @default.
- W2141569496 modified "2023-10-01" @default.
- W2141569496 title "BUILDING ROOF CONTOUR EXTRACTION FROM LiDAR DATA" @default.
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