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A core capability for robot manipulation is reasoning over where and how to stably place objects in cluttered environments. Traditionally, robots have relied on object-specific, hand-crafted heuristics in order to perform such reasoning,…

Robotics · Computer Science 2023-10-27 Takuma Yoneda , Tianchong Jiang , Gregory Shakhnarovich , Matthew R. Walter

Imitation learning is promising for robotic manipulation, but \emph{precise insertion} in the real world remains difficult due to contact-rich dynamics, tight clearances, and limited demonstrations. Many existing visuomotor policies depend…

Robotics · Computer Science 2026-03-25 Han Sun , Sheng Liu , Yizhao Wang , Zhenning Zhou , Shuai Wang , Haibo Yang , Jingyuan Sun , Qixin Cao

This paper presents a novel approach for affordance-informed robotic manipulation by introducing 3D keypoints to enhance the understanding of object parts' functionality. The proposed approach provides direct information about what the…

In the realm of future home-assistant robots, 3D articulated object manipulation is essential for enabling robots to interact with their environment. Many existing studies make use of 3D point clouds as the primary input for manipulation…

Robotics · Computer Science 2023-10-16 Xiaoqi Li , Yanzi Wang , Yan Shen , Ponomarenko Iaroslav , Haoran Lu , Qianxu Wang , Boshi An , Jiaming Liu , Hao Dong

Optimization-based text-to-3D methods distill guidance from 2D generative models via Score Distillation Sampling (SDS), but implicitly treat this guidance as static. This work shows that ignoring source dynamics yields inconsistent…

Machine Learning · Computer Science 2025-11-18 Jiayin Zhu , Linlin Yang , Yicong Li , Angela Yao

Imitation Learning (IL) enables robots to acquire manipulation skills from expert demonstrations. Diffusion Policy (DP) models multi-modal expert behaviors but degrades when naively increasing stacked observation horizons, limiting…

Robotics · Computer Science 2026-05-11 Youqiang Gui , Yuxuan Zhou , Shen Cheng , Xinyang Yuan , Haoqiang Fan , Peng Cheng , Shuaicheng Liu

Grasping objects successfully from a single-view camera is crucial in many robot manipulation tasks. An approach to solve this problem is to leverage simulation to create large datasets of pairs of objects and grasp poses, and then learn a…

Robotics · Computer Science 2024-12-12 Joao Carvalho , An T. Le , Philipp Jahr , Qiao Sun , Julen Urain , Dorothea Koert , Jan Peters

3D object affordance grounding aims to predict the touchable regions on a 3d object, which is crucial for human-object interaction, human-robot interaction, embodied perception, and robot learning. Recent advances tackle this problem via…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Hanqing Wang , Zhenhao Zhang , Kaiyang Ji , Mingyu Liu , Wenti Yin , Yuchao Chen , Zhirui Liu , Xiangyu Zeng , Tianxiang Gui , Hangxing Zhang

The online 3D bin packing problem is important in logistics, warehousing and intelligent manufacturing, with solutions shifting to deep reinforcement learning (DRL) which faces challenges like low sample efficiency. This paper proposes a…

Robotics · Computer Science 2026-04-14 Jie Han , Tong Li , Qingyang Xu , Yong Song , Bao Pang , Xianfeng Yuan

3D object detection with point clouds and images plays an important role in perception tasks such as autonomous driving. Current methods show great performance on detection and pose estimation of standard-shaped vehicles but lack behind on…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Benjamin Sick , Michael Walter , Jochen Abhau

Visuomotor imitation learning policies enable robots to efficiently acquire manipulation skills from visual demonstrations. However, as scene complexity and visual distractions increase, policies that perform well in simple settings often…

Artificial Intelligence · Computer Science 2025-11-11 Yuhang Dong , Haizhou Ge , Yupei Zeng , Jiangning Zhang , Beiwen Tian , Hongrui Zhu , Yufei Jia , Ruixiang Wang , Zhucun Xue , Guyue Zhou , Longhua Ma , Guanzhong Tian

Robotic manipulation remains challenging for reinforcement learning due to contact-rich dynamics, long horizons, and training instability. Although off-policy actor-critic algorithms such as SAC and TD3 perform well in simulation, they…

Robotics · Computer Science 2026-04-03 Yu Zhang , Karl Mason

We introduce a novel, training-free system for reconstructing, understanding, and rendering 3D indoor scenes from a sparse set of unposed RGB images. Unlike traditional radiance field approaches that require dense views and per-scene…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Jiatong Xia , Lingqiao Liu

The incorporation of world modeling into manipulation policy learning has pushed the boundary of manipulation performance. However, existing efforts simply model the 2D visual dynamics, which is insufficient for robust manipulation when…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Yuxin He , Ruihao Zhang , Xianzu Wu , Zhiyuan Zhang , Cheng Ding , Qiang Nie

Despite the recent success of modern imitation learning methods in robot manipulation, their performance is often constrained by geometric variations due to limited data diversity. Leveraging powerful 3D generative models and vision…

Robotics · Computer Science 2026-04-14 Jiawei Zhang , Kaizhe Hu , Yingqian Huang , Yuanchen Ju , Zhengrong Xue , Huazhe Xu

Recent approaches for monocular 3D human pose estimation (3D HPE) have achieved leading performance by directly regressing 3D poses from 2D keypoint sequences. Despite the rapid progress in 3D HPE, existing methods are typically trained and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Qingyuan Cai , Linxin Zhang , Xuecai Hu , Saihui Hou , Yongzhen Huang

We hypothesize that a key bottleneck in generalizable robot manipulation is not solely data scale or policy capacity, but a structural mismatch between current visual backbones and the physical requirements of closed-loop control. While…

Robotics · Computer Science 2026-02-13 Yu Deng , Yufeng Jin , Xiaogang Jia , Jiahong Xue , Gerhard Neumann , Georgia Chalvatzaki

Bimanual manipulation requires policies that can reason about 3D geometry, anticipate how it evolves under action, and generate smooth, coordinated motions. However, existing methods typically rely on 2D features with limited spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Chongyang Xu , Haipeng Li , Shen Cheng , Jingyu Hu , Haoqiang Fan , Ziliang Feng , Shuaicheng Liu

Autonomous manipulation systems have achieved remarkable capabilities, yet the integration of human expertise with diffusion-based policies in shared control remains relatively unexplored. In this paper, we propose Human-In-The-Loop…

Robotics · Computer Science 2026-05-21 Riley Zilka , Sergey Khlynovskiy , Allie Wang , Martin Jagersand

Efficiently generating grasp poses tailored to specific regions of an object is vital for various robotic manipulation tasks, especially in a dual-arm setup. This scenario presents a significant challenge due to the complex geometries…