“Digital Hologram Denoising by Filtering in the Hologram Plane Using the Hilbert-Huang Transform”. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics 111 (December 4, 2024): 77–90. Accessed December 14, 2025. https://annual.uni-sofia.bg/index.php/fmi/article/view/992.