arXiv:2512.02482cs.CV2025-12

G-SHARP实现实时微创手术三维重建,兼容商用硬件部署。

G-SHARP: Gaussian Surgical Hardware Accelerated Real-time Pipeline

  • 基于GSplat可微高斯光栅化器构建,支持形变建模与遮挡处理。
  • 在EndoNeRF基准上达到顶尖重建质量,满足术中实时性要求。
  • 已适配NVIDIA IGX Orin/Thor设备,可直接用于手术室场景。

我们提出G-SHARP,一种专为微创手术设计的、商业兼容的实时手术场景重建框架,旨在实现对可变形组织的快速高精度三维建模。尽管近期高斯点阵方法推动了内窥镜实时重建的发展,但现有方案多依赖非商业衍生工具,限制了实际部署。G-SHARP首次基于GSplat(Apache-2.0许可)可微高斯光栅化器原生构建,实现规范化的形变建模、鲁棒的遮挡处理以及在EndoNeRF基准上的高保真重建。实验表明,该方法在重建质量与速度-精度权衡上均达到当前最优水平,适用于术中使用。最后,我们提供了基于Holoscan SDK的应用程序,可在NVIDIA IGX Orin和Thor边缘硬件上部署G-SHARP,实现真实手术室环境中的实时可视化。

原文摘要 · Abstract (English)

We propose G-SHARP, a commercially compatible, real-time surgical scene reconstruction framework designed for minimally invasive procedures that require fast and accurate 3D modeling of deformable tissue. While recent Gaussian splatting approaches have advanced real-time endoscopic reconstruction, existing implementations often depend on non-commercial derivatives, limiting deployability. G-SHARP overcomes these constraints by being the first surgical pipeline built natively on the GSplat (Apache-2.0) differentiable Gaussian rasterizer, enabling principled deformation modeling, robust occlusion handling, and high-fidelity reconstructions on the EndoNeRF pulling benchmark. Our results demonstrate state-of-the-art reconstruction quality with strong speed-accuracy trade-offs suitable for intra-operative use. Finally, we provide a Holoscan SDK application that deploys G-SHARP on NVIDIA IGX Orin and Thor edge hardware, enabling real-time surgical visualization in practical operating-room settings.

手术重建高斯溅射实时渲染边缘计算

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