ICESat-2 Water Photon Denoising and Water Level Extraction Method Combining Elevation Difference Exponential Attenuation Model with Hough Transform. - Ju, Xilai; Li, Yongjian; Ji, Song; Gong, Danchao; Liu, Hao; Yan, Zhen; Liu, Xining; Niu, Hao (Remote Sensing, 2025)