Document Signature Image Recognition System Using the CNN (Convolutional Neural Network) Method. ENERGY: JURNAL ILMIAH ILMU-ILMU TEKNIK, [S. l.], v. 12, n. 2, p. 54–61, 2022. DOI: 10.51747/energy.v12i2.p54-61. Disponível em: https://e-journal.upm.ac.id/index.php/energy/article/view/energy.v12i2.p54-61. Acesso em: 25 may. 2026.