用实例掩码和单目深度提升透明物体的深度补全效果
Rethinking Transparent Object Grasping: Depth Completion with Monocular Depth Estimation and Instance Mask
- 通过实例掩码显式区分透明与非透明区域,指导模型专注学习透明区深度
- 在真实场景中深度补全误差降低23.5%,比现有方法更稳定可靠
- 适合机器人抓取、增强现实等需精准深度感知的应用场景
由于光学特性,透明物体常导致深度相机生成不完整或无效的深度数据,从而降低机器人抓取的准确性和可靠性。现有方法通常直接将RGB-D图像输入网络输出完整深度,依赖模型隐式推断深度值的可信度。然而,这类方法在训练集上有效,难以泛化到真实场景,因复杂光交互导致有效与无效深度分布高度变异。为此,我们提出ReMake,一种由实例掩码和单目深度估计引导的深度补全框架。通过显式区分透明区域与非透明区域,掩码使模型在训练时专注于从RGB-D输入中学习这些区域的精确深度估计,减少对隐式推理的依赖,提升对真实场景的泛化能力。此外,单目深度估计提供透明物体与其周围环境之间的深度上下文,进一步提升预测精度。大量实验表明,该方法在基准数据集和真实场景中均优于现有方法,展现出更优的准确率和泛化能力。代码与视频见https://chengyaofeng.github.io/ReMake.github.io/。
原文摘要 · Abstract (English)
Due to the optical properties, transparent objects often lead depth cameras to generate incomplete or invalid depth data, which in turn reduces the accuracy and reliability of robotic grasping. Existing approaches typically input the RGB-D image directly into the network to output the complete depth, expecting the model to implicitly infer the reliability of depth values. However, while effective in training datasets, such methods often fail to generalize to real-world scenarios, where complex light interactions lead to highly variable distributions of valid and invalid depth data. To address this, we propose ReMake, a novel depth completion framework guided by an instance mask and monocular depth estimation. By explicitly distinguishing transparent regions from non-transparent ones, the mask enables the model to concentrate on learning accurate depth estimation in these areas from RGB-D input during training. This targeted supervision reduces reliance on implicit reasoning and improves generalization to real-world scenarios. Additionally, monocular depth estimation provides depth context between the transparent object and its surroundings, enhancing depth prediction accuracy. Extensive experiments show that our method outperforms existing approaches on both benchmark datasets and real-world scenarios, demonstrating superior accuracy and generalization capability. Code and videos are available at https://chengyaofeng.github.io/ReMake.github.io/.
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