N. Rinanto, A. Shinta, R. Y. Adhitya, and M. Elsisi, “Design of a Visual Welding Defect Inspection Robot on The Outer Piping Line System based on The CNN Algorithm”, IJEEI, vol. 14, no. 2, pp. 387–403, Apr. 2026, doi: 10.52549/ijeei.v14i2.7641.