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Updated: May 12, 2026

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PGSR: Planar-Based Gaussian Splatting for Efficient and High-Fidelity Surface Reconstruction.

Danpeng Chen, Hai Li, Weicai Ye

IEEE Transactions on Visualization and Computer Graphics

|November 7, 2024

Summary

This study introduces a fast planar-based Gaussian splatting reconstruction (PGSR) for high-fidelity 3D surface reconstruction and rendering. PGSR improves geometric accuracy and multi-view consistency over existing 3D Gaussian Splatting methods.

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Area of Science:

Computer Vision
Computer Graphics
Geometric Deep Learning

Background:

3D Gaussian Splatting (3DGS) offers fast rendering but struggles with geometric accuracy due to unstructured point clouds.
Existing 3DGS surface reconstruction methods yield unsatisfactory mesh quality.
Ensuring multi-view consistency and geometric precision remains a challenge for 3DGS.

Purpose of the Study:

To propose a novel planar-based Gaussian splatting reconstruction representation (PGSR) for high-fidelity surface reconstruction and rendering.
To enhance geometric accuracy and multi-view consistency in 3D Gaussian Splatting.
To develop a method that balances fast training/rendering with high-quality geometric reconstruction.

Main Methods:

Introduced an unbiased depth rendering method using Gaussian plane distances and normal maps.
Implemented single-view geometric, multi-view photometric, and geometric regularization for global accuracy.
Developed a camera exposure compensation model for varying illumination conditions.

Main Results:

PGSR achieves high-fidelity rendering and geometric reconstruction.
The method demonstrates fast training and rendering speeds.
Experimental results show superior performance compared to 3DGS-based and NeRF-based approaches.

Conclusions:

PGSR effectively addresses the limitations of existing 3DGS methods for surface reconstruction.
The proposed approach offers a robust solution for high-quality 3D scene representation.
PGSR provides a promising direction for future research in real-time 3D reconstruction and rendering.