T. M. S. Mulyana, D. Widyaningrum, J. A. Ginting, and T. L. S. Mulyana, “Building Drawing Line Art with High Pass Filtering and Image Morphology”, IJRESM, vol. 5, no. 7, pp. 66–70, Jul. 2022, Accessed: Dec. 04, 2024. [Online]. Available: https://journal.ijresm.com/index.php/ijresm/article/view/2282