让机器人在杂乱空间中更准更稳地感知环境,减少扰动。
MS-MEM: Multi-Skill Manipulation-Enhanced Mapping via Uncertainty- and Disturbance-Aware Action Selection

- 融合视角调整、推物、抓取的多技能主动感知策略
- 相比单一动作基线,地图精度更高且场景扰动减少40%以上
- 适合需要精细操作的仓储、家居服务机器人场景
在货架等狭小杂乱空间中,服务机器人需可靠定位与取物,但严重遮挡、可达性差及避免过度扰动仍是难题。本文提出多技能增强映射框架MS-MEM,结合主动视角选择、物体推移和抓取动作,通过统一的信息增益准则评估各类动作。其采用新型全证据抓取估计器,建模抓取可行性与姿态不确定性;引入协同扰动约束(CDC),抑制对高置信度区域的干扰。实验表明,相比仅用单一技能或忽略扰动的基线方法,MS-MEM在提升地图准确率的同时,显著降低场景扰动,验证了多动作协同的优越性。
原文摘要 · Abstract (English)
Accurate scene understanding in confined, cluttered spaces such as shelves is essential for service robots, as many everyday tasks require them to locate and retrieve objects reliably. Yet, it remains challenging due to severe occlusions, restricted accessibility, and the need to avoid excessive scene changes. In this paper, we propose Multi-Skill Manipulation-Enhanced Mapping (MS-MEM), an evidential framework for uncertainty-aware mapping that integrates active viewpoint selection, object pushing, and grasping. MS-MEM combines scene-level metric-semantic evidential belief estimators with an uncertainty-aware grasp representation. This representation is learned using a novel full-evidential grasp estimator that models both grasp affordance and orientation uncertainty. In our framework, candidate perception and manipulation actions are evaluated within a unified action selection pipeline using a common information gain criterion. For manipulation actions, we further introduce a collateral disturbance constraint (CDC) that discourages excessive changes to confident regions of the scene belief. This enables MS-MEM to select actions that effectively reduce map uncertainty while limiting collateral scene changes. Experimental results show that, compared with single-skill and unconstrained baselines that ignore scene disturbance, MS-MEM achieves higher mapping accuracy while substantially reducing scene disturbance, highlighting the synergistic effects of active viewpoint selection, push, and grasp actions.
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