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Revista Facultad de Ingeniería Universidad de Antioquia
versão impressa ISSN 0120-6230versão On-line ISSN 2422-2844
Resumo
QUIROGA, Julián; ROMERO, Néstor; GARCIA, Carolina e PARRA, Carlos. Pedestrian traffic variables acquisition using computer vision. Rev.fac.ing.univ. Antioquia [online]. 2011, n.60, pp.51-61. ISSN 0120-6230.
The traffic problem has several components that may be discussed: vehicles, pedestrians and the interaction between them. This paper proposes a method for acquisition of pedestrian traffic variables, using computer vision techniques. Isolated pedestrians, groups of pedestrians and vehicles at the scene are detected from a video sequence, using a background model. Pedestrians are tracked on the image using their shape and optical flow. Counting is done on any area of the scene to estimate the flow and direction of movement. The proposed method can be configured under different perspectives from a setof examples. The experimental results on crosswalks show that this method allows estimating the variables of interest in complex scenes.
Palavras-chave : Pedestrian detection; pedestrian tracking; computer vision.