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Hash-NURF: efficient nested transparent object reconstruction using multi-resolution hash encoding

delete2026-02-26
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PRE
AI
F
Fan Gao
赵一博 封面图
赵一博 (Yibo Zhao)
Y
Youcheng Cai *
L
Ligang Liu
DOI:10.1007/s00371-026-04394-1delete
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摘要

摘要

En 中文
透明物体重建在3D建模和机器人感知等各个领域中至关重要。然而,由于复杂的光线交互,精确重建嵌套透明物体仍然具有挑战性。近期进展如NU-NeRF显示了潜力,但存在计算效率低下的问题。本文介绍Hash-NURF框架,该框架将多分辨率哈希编码与神经隐式表示相结合以加速重建。具体而言,我们利用基于哈希的NeRF和SDF进行高效优化。对于无界场景,我们添加了收缩映射策略。我们还集成了特殊的采样和正则化技术,以提高模型稳定性并帮助其更快收敛。我们的方法通过最多减少三倍的训练时间,同时保持相当重建质量。我们在合成数据集上验证了该方法,展示了其在嵌套透明物体的外表面和内表面重建中的有效性。访问我们的代码库:https://github.com/SyouSanGin/Hash-NURF。
Keyword:
Signed distance field (SDF)
Transparent object
Reconstruction
Neural implicit representations

期刊

T
The Visual Computer
IF:
0
论文数:
369
被引数:
0

机构

U
university of science and technology of china
学者数:
1.0W
论文数: 3.9K
被引数: 3
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