Yizhou Xie Xiangning Xie Yuran Wang Yanci Zhang Zejun Lv Terrain point cloud inpainting via signal decomposition. 103915 2024 120 Comput. Graph. https://doi.org/10.1016/j.cag.2024.103915 db/journals/cg/cg120.html#XieXWZL24 streams/journals/cg