LONG, T. B.; HANH, T. Final expression classification based on pseaudo zernike moment invariant, zernike moment invariant, principal component analysis and radial basis function neural network. Journal of Computer Science and Cybernetics, [S. l.], v. 27, n. 3, p. 229–240, 2012. DOI: 10.15625/1813-9663/27/3/485. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/485. Acesso em: 28 apr. 2024.