L. Wu, J. Q. Zhu, S. S. Peng, Z. L. Xiao, and Y. K. Wang. “Post-Processing Techniques for Polarimetric Passive Millimeter Wave Imagery”. Applied Computational Electromagnetics Society Journal (ACES), vol. 33, no. 05, July 2021, pp. 512-8, https://journals.riverpublishers.com/index.php/ACES/article/view/9157.