COMPARATIVE EVALUATION OF GRADIENT OPERATORS WITH OTSU THRESHOLDING FOR MICROSCOPIC POROSITY DETECTION. JTT (Jurnal Teknologi Terpadu), [S. l.], v. 14, n. 1, p. 128–156, 2026. DOI: 10.32487/jtt.v14i1.3004. Disponível em: https://jurnal.poltekba.ac.id/index.php/jtt/article/view/3004. Acesso em: 16 jun. 2026.