Abstract
To demonstrate applicable improvements to the urban cadastre of the city of Rio de Janeiro, state-of-the-art techniques for 3D building modeling were investigated, focusing on the geometric detailing of roofs. The experiments subjected data from a previous cadastre to automated processing, using open-source software, to increase the level of detail of pre-existing features, optimizing resources, in a pioneering initiative for large cities in the Global South. The results are useful for various environmental studies, by incorporating new characteristics into urban records, and highlight human intervention as an essential element for ensuring quality.
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