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Robotic perception in unstructured environments remains challenging despite the zero-shot capabilities of foundation models such as SAM. This work attributes performance degradation to non-uniform representation shifts across transformer…

Robotics · Computer Science 2026-05-26 Wenhui Chu

Constrained by the separate encoding of vision and language, existing grounding and referring segmentation works heavily rely on bulky Transformer-based fusion en-/decoders and a variety of early-stage interaction technologies.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Linhui Xiao , Xiaoshan Yang , Fang Peng , Yaowei Wang , Changsheng Xu

Imitation learning has gained immense popularity because of its high sample-efficiency. However, in real-world scenarios, where the trajectory distribution of most of the tasks dynamically shifts, model fitting on continuously aggregated…

Machine Learning · Computer Science 2023-07-04 Kiran Lekkala , Sami Abu-El-Haija , Laurent Itti

Understanding the traversability of terrain is essential for autonomous robot navigation, particularly in unstructured environments such as natural landscapes. Although traditional methods, such as occupancy mapping, provide a basic…

Grasping in cluttered scenes has always been a great challenge for robots, due to the requirement of the ability to well understand the scene and object information. Previous works usually assume that the geometry information of the objects…

Robotics · Computer Science 2021-09-28 Yiming Li , Tao Kong , Ruihang Chu , Yifeng Li , Peng Wang , Lei Li

Flexible instruction-guided 6-DoF grasping is a significant yet challenging task for real-world robotic systems. Existing methods utilize the contextual understanding capabilities of the large language models (LLMs) to establish mappings…

Robotics · Computer Science 2025-09-10 Xiaomeng Chu , Jiajun Deng , Guoliang You , Wei Liu , Xingchen Li , Jianmin Ji , Yanyong Zhang

Learning robotic manipulation tasks using reinforcement learning with sparse rewards is currently impractical due to the outrageous data requirements. Many practical tasks require manipulation of multiple objects, and the complexity of such…

Robotics · Computer Science 2019-12-24 Richard Li , Allan Jabri , Trevor Darrell , Pulkit Agrawal

Reinforcement learning (RL) is crucial for data science decision-making but suffers from sample inefficiency, particularly in real-world scenarios with costly physical interactions. This paper introduces a novel human-inspired framework to…

Machine Learning · Computer Science 2024-03-13 Ali Beikmohammadi , Sindri Magnússon

This paper presents a novel learning-based control framework that uses keyframing to incorporate high-level objectives in natural locomotion for legged robots. These high-level objectives are specified as a variable number of partial or…

Robotics · Computer Science 2024-11-05 Fatemeh Zargarbashi , Jin Cheng , Dongho Kang , Robert Sumner , Stelian Coros

When learning a new motor behavior, e.g. reaching in a force field, the nervous system builds an internal representation. Examining how subsequent reaches in unpracticed directions generalize reveals this representation. Though it is the…

Robotics · Computer Science 2019-11-21 Alireza Rezazadeh , Max Berniker

State-of-the-art reinforcement learning algorithms predominantly learn a policy from either a numerical state vector or images. Both approaches generally do not take structural knowledge of the task into account, which is especially…

Machine Learning · Computer Science 2022-03-14 Marco Oliva , Soubarna Banik , Josip Josifovski , Alois Knoll

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

Detectors often suffer from degraded performance, primarily due to the distributional gap between the source and target domains. This issue is especially evident in single-source domains with limited data, as models tend to rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Mingbo Hong , Feng Liu , Caroline Gevaert , George Vosselman , Hao Cheng

Using tactile sensors for manipulation remains one of the most challenging problems in robotics. At the heart of these challenges is generalization: How can we train a tactile-based policy that can manipulate unseen and diverse objects? In…

Robotics · Computer Science 2024-03-20 Entong Su , Chengzhe Jia , Yuzhe Qin , Wenxuan Zhou , Annabella Macaluso , Binghao Huang , Xiaolong Wang

While shared autonomy offers significant potential for assistive robotics, key questions remain about how to effectively map 2D control inputs to 6D robot motions. An intuitive framework should allow users to input commands effortlessly,…

Robotics · Computer Science 2025-01-29 Shalutha Rajapakshe , Jean-Marc Odobez , Emmanuel Senft

Although, in the task of grasping via a data-driven method, closed-loop feedback and predicting 6 degrees of freedom (DoF) grasp rather than conventionally used 4DoF top-down grasp are demonstrated to improve performance individually, few…

Robotics · Computer Science 2022-06-22 Dongwon Son

Few-shot learning, which aims at extracting new concepts rapidly from extremely few examples of novel classes, has been featured into the meta-learning paradigm recently. Yet, the key challenge of how to learn a generalizable classifier…

Machine Learning · Computer Science 2019-10-08 Limeng Qiao , Yemin Shi , Jia Li , Yaowei Wang , Tiejun Huang , Yonghong Tian

Imitation learning offers a promising path for robots to learn general-purpose behaviors, but traditionally has exhibited limited scalability due to high data supervision requirements and brittle generalization. Inspired by recent advances…

Machine Learning · Computer Science 2022-11-16 Soroush Nasiriany , Tian Gao , Ajay Mandlekar , Yuke Zhu

Existing imitation learning methods enable robots to interact autonomously with the physical environment. However, contact-rich manipulation tasks remain a significant challenge due to complex contact dynamics that demand high-precision…

Imitation Learning is a promising paradigm for learning complex robot manipulation skills by reproducing behavior from human demonstrations. However, manipulation tasks often contain bottleneck regions that require a sequence of precise…

Robotics · Computer Science 2020-12-15 Ajay Mandlekar , Danfei Xu , Roberto Martín-Martín , Yuke Zhu , Li Fei-Fei , Silvio Savarese
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