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In this paper we propose an automatic urban building extraction method for oblique aerial images. Five steps are included in this method: point cloud generation, grid partition, feature extraction, building detection and building reconstruction. Taking advantages of recent progress in large-scale Structure from Motion (SfM) and Multiple View Stereo (MVS), dense point cloud is generated first. Then,...
Roads have very small backscateering coefficient for radio waves, thus they have low intensities on very high resolution (VHR) SAR imagery. Based on the above unique characteristic, mean angular texture signature (MATS) is proposed to track ribbon roads from VHR SAR images in this paper. Experiments demonstrate the proposed tracker can reliably extracts most of roads from VHR SAR images.
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