Authors:
Cristiano B. de Oliveira
1
;
2
;
Joao Neves
3
;
Rafael Ribeiro
4
and
David Menotti
1
Affiliations:
1
Department of Informatics, Federal University of Paraná, Curitiba, Brazil
;
2
Federal University of Ceará, Quixadá, Brazil
;
3
University of Beira Interior, NOVA-LINCS, Portugal
;
4
National Institute of Criminalistics, Brazilian Federal Police, Curitiba, Brazil
Keyword(s):
People Tracking, Dataset, Video Surveillance, Palácio Do Planalto.
Abstract:
The Palácio do Planalto, office of the President of Brazil, was invaded by protesters on January 8, 2023. Surveillance videos taken from inside the building were subsequently released by the Brazilian Supreme Court for public scrutiny. We used segments of such footage to create the UFPR-Planalto801 dataset for people tracking and re-identification in a real-world scenario. This dataset consists of more than 500,000 images. This paper presents a tracking approach targeting this dataset. The method proposed in this paper relies on the use of known state-of-the-art trackers combined in a multilevel hierarchy to correct the ID association over the trajectories. We evaluated our method using IDF1, MOTA, MOTP and HOTA metrics. The results show improvements for every tracker used in the experiments, with IDF1 score increasing by a margin up to 9.5%.