Unsupervised Spectral Regression Learning for Pyramid HOG. Journal of Fiber Bioengineering and Informatics, [S. l.], v. 8, n. 1, p. 117–124, 2015. DOI: 10.3993/jfbi03201511. Disponível em: https://www.global-sci.com/index.php/JFBI/article/view/15625. Acesso em: 5 dec. 2025.