SURGICAL
ExtraGS：通过扩散引导的3D高斯泼溅增强内窥镜视图外推
Cheng-Tai Hsieh, Jiwei Shan, Han Fang, Jianshu Hu, Tao Ni, Lijun Han, Yutong Ban, Shing Shin Cheng, Hesheng Wang
- 发表年份
- 2026
- 访问权限
- 开放获取
摘要
本文提出ExtraGS框架，结合扩散模型与3D高斯泼溅，通过不确定性引导的虚拟相机采样和置信度加权微调，有效增强机器人辅助微创手术中内窥镜视图的外推能力。该方法在保持可靠区域质量的同时，利用扩散模型恢复盲区的解剖结构，显著减少外推伪影。
关键词
endoscopic view extrapolation3D Gaussian Splattingdiffusion modelrobot-assisted surgerynovel view synthesis
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