Dan Ye 0008 Huan Xie 0001 Xiaohua Tong Zhong Zhang Ming Li The Comparison of Denoising Methods for Photon Counting Laser Altimeter Data. 8478-8480 2019 IGARSS https://doi.org/10.1109/IGARSS.2019.8900087 conf/igarss/2019 db/conf/igarss/igarss2019.html#YeXTZL19