Cooperation for analysis of maps and aerial images for urban scene description

Michel Roux

doi:10.1117/12.295610

22 December 1997 Cooperation for analysis of maps and aerial images for urban scene description

Michel Roux

Proceedings Volume 3217, Image Processing, Signal Processing, and Synthetic Aperture Radar for Remote Sensing; (1997) https://doi.org/10.1117/12.295610
Event: Aerospace Remote Sensing '97, 1997, London, United Kingdom

Abstract

In this paper we present a method to generate 3D cartographic databases in dense urban areas using simultaneously scanned maps and aerial images. The generation of digital terrain models (DTM) and the 3D description of buildings using aerial imagery are both supported by the previous analysis of scanned maps. Our approach relies on various information extracted form the maps on different features like the road network, the urban blocks and the buildings. These features are used to guide the analysis of a disparity image calculated with a stereo pair of aerial images. For the generation of a DTM, the road network allows to focus the algorithms on regions where the information on the ground elevation is available: the crossroads and the road sections. For the detection and the description of buildings, each urban block provided by the road network of the map is analyzed separately, taking into account the different features detected in the map. The effectiveness of this approach is demonstrated using complex imagery over large and dense urban areas presenting a large variety of landscapes.

Citation Download Citation

Michel Roux "Cooperation for analysis of maps and aerial images for urban scene description", Proc. SPIE 3217, Image Processing, Signal Processing, and Synthetic Aperture Radar for Remote Sensing, (22 December 1997); https://doi.org/10.1117/12.295610

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