NeRF-Based 缺点: 过度平滑 容易发生灾难性遗忘(学习新场景时容易忘记以前的场景知识) per-pixel ray marching原理使得效率低 3DGS缺点: These include scalability issues for large scenes大场景扩展(内存、数据规模等), the lack of a direct mesh extraction algorithm (although recent methods such as [160] h...