Avaliação da qualidade das medições fotogramétricas realizadas na versão integrada 1.0β do software livre de fotogrametria digital e-foto

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Research areas:
Ano:
2013
Tipo de publicação:
Artigo em conferência
Palavras chaves:
e-foto, lps, quality evaluation, digital photogrammetric measurements
Autores:
Editor:
José Carlos Neves Epiphanio, Lênio Soares Galvão
Título do livro:
Anais XVI Simpósio Brasileiro de Sensoriamento Remoto - SBSR
Páginas:
2092-2099
Endereço:
São José dos Campos , SP
Organização:
Instituto Nacional de Pesquisas Espaciais
Mês:
abril
ISBN:
978-85-17-00065-2
Resumo:
The acronym E-FOTO stands for an Educational Digital Photogrammetric Workstation. This is a multidisciplinary research project developed in The Rio de Janeiro State University. The E-FOTO project has two pillars: self-learning and gratuity. This dissertation evaluates the quality of the photogrammetric measurements performed by the 1.0β integrated version of the E-FOTO software. One photogrammetric blocks of airborne imagery: the former photogrammetric dataset is assembled from 12 photograms of the city of Seropédica-RJ, flown in 2005. The photogrammetric measurements taken in the E-FOTO were compared with those taken using the Leica Photogrammetry Suite (LPS 2010) commercial software. The ground truth is a set of 30 ground testing points (GCP) measured with a geodetic, dual frequency receiver of the Global Navigation Satellite System (GNSS/GPS). A digital photogrammetric mapping procedure was used to evaluate the E-FOTO software. For doing so, both interior and exterior orientation parameters of every image were computed. The photogrammetric computation of object-space coordinates of testing points was performed in the 1.64 version of the stereo plotter module of the E-FOTO. The comparisons of the results of the E-FOTO measurements with those taken from the LPS software can be considered identical, at the confidence level of 95%. The photogrammetric measurements performed in the 1.64 version of the E-FOTO stereoplotter module also match the tridimensional UTM coordinates (E, N and H) of the ground testing points at the same confidence level of 95%.
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