Get 3D scene by using external and internal geometric priors with PSDF
Get 3D scene by using external and internal geometric priors with PSDF
PSDF: Prior-Driven Neural Implicit Surface Learning for Multi-view Reconstruction
arXiv paper abstract https://arxiv.org/abs/2401.12751
arXiv PDF paper https://arxiv.org/pdf/2401.12751.pdf
Surface reconstruction has traditionally relied on the Multi-View Stereo (MVS)-based pipeline, which often suffers from noisy and incomplete geometry.
... Neural Implicit Surface Reconstruction (NISR) combines surface rendering and volume rendering techniques ... has shown impressive results on simple scenes, it remains challenging to recover delicate geometry from ... real-world scenes
... PSDF is proposed which resorts to external geometric priors from a pretrained MVS network and internal geometric priors inherent in the NISR model
... visibility-aware feature consistency loss and depth prior-assisted sampling based on external geometric priors ... provide ... geometric consistency constraints and aid in locating surface intersection points
... internal prior-guided importance rendering is presented to enhance the fidelity of the reconstructed surface mesh by mitigating the biased rendering issue in NISR.
... PSDF achieves state-of-the-art performance on complex uncontrolled scenes.
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