CLASSIFICATION AND PREDICTION ANALYSIS FOR WELD BEAD SURFACE QUALITY USING FEATURE EXTRACTION AND MAHALANOBIS-TAGUCHI SYSTEM. Far East Journal of Mathematical Sciences (FJMS), [S. l.], v. 142, n. 4, p. 477–500, 2025. DOI: 10.17654/0972087125027. Disponível em: https://pphmjopenaccess.com/fejms/article/view/3018. Acesso em: 5 jan. 2026.