Extraction and analysis of spatial heterodyne potassium signals based on principal component analysis and non-local means methodXinQiang Wang, SiQian Yang, Wei Xiong, FangYuan Wang and Song YeJ. Eur. Opt. Society-Rapid Publ., 21 1 (2025) 13DOI: https://doi.org/10.1051/jeos/2025008
