2-D images classification based on "in terms of level" normalization. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 61, p. 50–59, 2015. DOI: 10.20535/RADAP.2015.61.50-59. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/1050. Acesso em: 4 apr. 2025.