Integration of airborne laser scanner and multi-image techniques for map production

In this paper, a new integrated approach between airborne laser scanner and photogrammetric aerial images is proposed. This procedure is focused on the possibility of overcoming the problems of each technique separately through their integration during the data processing. The LIDAR and multi-image matching techniques combine data in order to extract building boundaries in the space and define other map details visible from the images in an automatic way. This process could allow the extracted edges to be exploited as building boundaries in the segmentation when an ambiguity occurs in this process. The detailed description of this approach and its first promising results on an urban area will be presented and discussed.

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