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Poster

PFGS: High Fidelity Point Cloud Rendering via Feature Splatting

Jiaxu Wang · Zhang Ziyi · Junhao He · Renjing Xu

Strong blind review: This paper was not made available on public preprint services during the review process Strong Double Blind
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Wed 2 Oct 7:30 a.m. PDT — 9:30 a.m. PDT

Abstract:

Rendering high-fidelity images from sparse point clouds is still challenging. Existing learning-based approaches suffer from either hole artifacts, missing details, or expensive computations. In this paper, we propose a novel framework to render high-quality images from sparse points. This method first attempts to bridge the 3D Gaussian Splatting and point cloud rendering, which includes several cascaded modules. We first use a regressor to estimate Gaussian properties in a point-wise manner, the estimated properties are used to rasterize neural feature descriptors into 2D planes which are extracted from a multiscale extractor. The projected feature volume is gradually decoded toward the final prediction via a multiscale and progressive decoder. The whole pipeline experiences a two-stage training and is driven by our well-designed progressive and multiscale reconstruction loss. Experiments on different benchmarks show the superiority of our method in terms of rendering qualities and the necessities of our main components.

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