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ROAD ORTHOPHOTO/DTM GENERATION FROM MOBILE LASER SCANNING

Vallet, B. ; Papelard, J.-P.

ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015-01, Vol.II-3/W5, p.377-384 [Periódico revisado por pares]

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Título:
ROAD ORTHOPHOTO/DTM GENERATION FROM MOBILE LASER SCANNING
Autor: Vallet, B. ; Papelard, J.-P.
Assuntos: Aerial photography ; Computer Science ; Image Processing ; Image quality ; Lasers ; Orthophotography ; Reflectance ; Scanners ; Scanning
É parte de: ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015-01, Vol.II-3/W5, p.377-384
Descrição: This paper proposes a pipeline to produce road orthophoto and DTM from Mobile Laser Scanning (MLS). For the ortho, modern laser scanners provide a reflectance information allowing for high quality grayscale images, at a much finer resolution than aerial photography can offer. For DTM, MLS offers a much higher accuracy and density than aerial products. This increased precision and resolution leverages new applications for both ortho and DEM. The first task is to filter ground vs non ground, then an interpolation is conducted to build image tiles from the filtered points. Finally, multiple layers are registered and blended to allow for seamless fusion. Our proposed approach achieves high quality products and scaling up is demonstrated.
Editor: Gottingen: Copernicus GmbH
Idioma: Inglês

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