J. L. . Kim, Y. S. . Im, J. Y. . Park, K. S. Jang, G. S. . Choi, and J. J. Kang, “Detection of Spread-out Position for Pulse Changing-state of Porous Material-object in Dermis Layer ”, ijmst, vol. 10, no. 1, pp. 114-121, Jun. 2023.