CompGS: Efficient 3D Scene Representation via Compressed Gaussian
  Splatting
Gaussian splatting, renowned for its exceptional rendering quality and
efficiency, has emerged as a prominent technique in 3D scene representation.
However, the substantial data volume of Gaussian splatting impedes its
practical utility in real-world applications. Herein, we propose an efficient
3D scene representation, named Compressed Gaussian Splatting (CompGS), which
harnesses compact Gaussian primitives for faithful 3D scene modeling with a
remarkably reduced data size. To ensure the compactness of Gaussian primitives,
we devise a hybrid primitive structure that captures predictive relationships
between each other. Then, we exploit a small set of anchor primitives for
prediction, allowing the majority of primitives to be encapsulated into highly
compact residual forms. Moreover, we develop a rate-constrained optimization
scheme to eliminate redundancies within such hybrid primitives, steering our
CompGS towards an optimal trade-off between bitrate consumption and
representation efficacy. Experimental results show that the proposed CompGS
significantly outperforms existing methods, achieving superior compactness in
3D scene representation without compromising model accuracy and rendering
quality. Our code will be released on GitHub for further research.
661df97c5d2a38b1dc5a1bf1
Xiangrui Liu
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Xinju Wu
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Pingping Zhang
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Shiqi Wang
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Zhu Li
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Sam Kwong
CompGS: Efficient 3D Scene Representation via Compressed Gaussian
  Splatting
Gaussian splatting, renowned for its exceptional rendering quality and
efficiency, has emerged as a prominent technique in 3D scene representation.
However, the substantial data volume of Gaussian splatting impedes its
practical utility in real-world applications. Herein, we propose an efficient
3D scene representation, named Compressed Gaussian Splatting (CompGS), which
harnesses compact Gaussian primitives for faithful 3D scene modeling with a
remarkably reduced data size. To ensure the compactness of Gaussian primitives,
we devise a hybrid primitive structure that captures predictive relationships
between each other. Then, we exploit a small set of anchor primitives for
prediction, allowing the majority of primitives to be encapsulated into highly
compact residual forms. Moreover, we develop a rate-constrained optimization
scheme to eliminate redundancies within such hybrid primitives, steering our
CompGS towards an optimal trade-off between bitrate consumption and
representation efficacy. Experimental results show that the proposed CompGS
significantly outperforms existing methods, achieving superior compactness in
3D scene representation without compromising model accuracy and rendering
quality. Our code will be released on GitHub for further research.
The method CompGS improves Gaussian splatting by compressing 3D scene data with a hybrid primitive structure and rate-constrained optimization, maintaining model accuracy and rendering quality.
Gaussian splatting Compressed Gaussian Splatting (CompGS) hybrid primitive structure rate-constrained optimization bitrate consumption representation efficacy