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Urban-level three-dimensional reconstruction for modern applications demands high rendering fidelity while minimizing computational costs. The advent of Neural Radiance Fields (NeRF) has enhanced 3D reconstruction, yet it exhibits artifacts under multiple viewpoints. In this paper, we propose a new NeRF framework method to address these issues. Our method uses image content and pose data to iteratively plan the next best view. A crucial aspect of this method involves uncertainty estimation, guiding the selection of views with maximum information gain from a candidate set. This iterative process enhances rendering quality over time. Simultaneously, we introduce the Vonoroi diagram and threshold sampling together with flight classifier to boost the efficiency, while keep the original NeRF network intact. It can serve as a plug-in tool to assist in better rendering, outperforming baselines and similar prior works.
Xie et al. (Fri,) studied this question.