REVIVING BRASÍLIA THROUGH ANALYZING HISTORICAL AERIAL PHOTOGRAPHS

Autores

  • Leandro Faleiros Garcia University of Brasília, Institute of Geosciences, Geoprocessing Laboratory (GeoLab), Brasilia, DF, Brazil.
  • Luiz Felipe Siqueira Marques Rego UNIVERSIDADE DE BRASÍLIA - UNB
  • Guilherme Gomes Pessoa University of Brasília, Institute of Geosciences, Geoprocessing Laboratory (GeoLab), Brasilia, DF, Brazil.
  • Rejane Ennes Cicereli University of Brasília, Institute of Geosciences, Geoprocessing Laboratory (GeoLab), Brasilia, DF, Brazil.
  • Marina Rolim Bilich Neumann University of Brasilia, Faculty of Agronomy and Veterinary Medicine, Brasilia, DF, Brazil.
  • Elton Souza Oliveira Federal University of Western Bahia, Barreiras BA, Brazil
  • Dayana Maia University of Brasília, Institute of Geosciences, Geoprocessing Laboratory (GeoLab), Brasilia, DF, Brazil.
  • Tati de Almeida University of Brasília, Institute of Geosciences, Geoprocessing Laboratory (GeoLab), Brasilia, DF, Brazil.
  • Henrique Llacer Roig University of Brasília, Institute of Geosciences, Geoprocessing Laboratory (GeoLab), Brasilia, DF, Brazil.

DOI:

https://doi.org/10.5380/raega.v61i1.95457

Palavras-chave:

Historical aero photogrammetry, Computer Vision, Structures From Motion, Brazil’s Federal District, Occupation dynamics

Resumo

This study presents an optimized method for processing and retrieving digital data from 1950s aerial photographs of the Plano Piloto area in Brasília. In analogous contexts, internal orientation parameters are often unavailable, and external orientation parameters must be obtained through non-standard approaches, as the identification and geolocation of control points in the field becomes impractical in substantially altered landscapes. Nevertheless, advancements in computer vision techniques, integrated into modern photogrammetry software such as Agisoft Metashape, provide a viable solution for mapping historical analog aerial photographs. The software successfully processed 156 aerial photographs, using 17 control points, yielding a historical orthoimage and a digital surface model with medium-scale accuracy. The generated model enabled precise identification of key features, including vegetation cover, land use, and terrain characteristics, providing valuable insights for the analysis of land occupation dynamics in the study area. The proposed methodology exhibits substantial potential for replication in similar cases, establishing a robust framework for the processing of historical aerial imagery.

Referências

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Publicado

2024-12-18

Como Citar

Garcia, L. F., Rego, L. F. S. M., Pessoa, G. G., Cicereli, R. E., Neumann, M. R. B., Oliveira, E. S., … Roig, H. L. (2024). REVIVING BRASÍLIA THROUGH ANALYZING HISTORICAL AERIAL PHOTOGRAPHS. Ra’e Ga: O Espaço Geográfico Em Análise, 61(1), 112–133. https://doi.org/10.5380/raega.v61i1.95457

Edição

v. 61 (2024)

Seção

Artigos

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