A Comparison of the Influence of Vegetation Cover on the Precision of an UAV 3D Model and Ground Measurement Data for Archaeological Investigations: A Case Study of the Lepelionys Mound, Middle Lithuania

植被覆盖对无人机三维模型与地面测量数据在考古调查中精度影响的比较：以立陶宛中部莱佩利奥尼斯土墩为例