C. Gonçalves <em>et al.</em>"Improving the performance of a SVM+HOG classifier for detection and tracking of wagon components by using geometric constraints", in <em>Anais Estendidos da XXXII Conference on Graphics, Patterns and Images</em>, Rio de Janeiro, 2019, pp. 230-236, doi: <a href="https://doi.org/10.5753/sibgrapi.est.2019.8336">https://doi.org/10.5753/sibgrapi.est.2019.8336</a>.