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As one fast developing field of GIS, mobile mapping system (MMS) is the trend of state of art mapping technique and digital measurable image (DMI) sequence is the main data type for MMS. Given the DMI data acquired, it's a tough but necessary task to segment the GIS object of interest (OOI) for various engineering applications. This paper proposed a novel hybrid method to segment the GIS object in...
Lidar is widely used in many fields in recent years. Consequently, research of feature extraction in lidar data has intensified. Roof of building as a stable line feature is widely used in many fields. But there is yet not a good algorithm to finish this work. In this paper, we propose a new method to extract roof of building. The roof is modeled by a symmetric exponential roof edge model and the...
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