Guozhuang Shen Wenxue Fu Water Body Extraction using GF-3 Polsar Data - A Case Study in Poyang Lake. 4762-4765 2020 IGARSS https://doi.org/10.1109/IGARSS39084.2020.9323878 conf/igarss/2020 db/conf/igarss/igarss2020.html#ShenF20