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We examine the problem of transferring a policy learned in a source environment to a target environment with different dynamics, particularly in the case where it is critical to reduce the amount of interaction with the target environment…

Artificial Intelligence · Computer Science 2021-01-26 Siddharth Desai , Ishan Durugkar , Haresh Karnan , Garrett Warnell , Josiah Hanna , Peter Stone

Deep learning models have become increasingly useful in many different industries. On the domain of image classification, convolutional neural networks proved the ability to learn robust features for the closed set problem, as shown in many…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Rafael S. Pereira , Alexis Joly , Patrick Valduriez , Fabio Porto

Rearrangement tasks have been identified as a crucial challenge for intelligent robotic manipulation, but few methods allow for precise construction of unseen structures. We propose a visual foresight model for pick-and-place rearrangement…

Robotics · Computer Science 2022-07-28 Hongtao Wu , Jikai Ye , Xin Meng , Chris Paxton , Gregory Chirikjian

Data scarcity poses a serious threat to modern machine learning and artificial intelligence, as their practical success typically relies on the availability of big datasets. One effective strategy to mitigate the issue of insufficient data…

Machine Learning · Computer Science 2026-05-14 Chaozhi Zhang , Lin Liu , Xiaoqun Zhang

Privacy and memory are two recurring themes in a broad conversation about the societal impact of AI. These concerns arise from the need for huge amounts of data to train deep neural networks. A promise of Generalized Few-shot Object…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Karim Guirguis , Johannes Meier , George Eskandar , Matthias Kayser , Bin Yang , Juergen Beyerer

The learning efficiency and generalization ability of an intelligent agent can be greatly improved by utilizing a useful set of skills. However, the design of robot skills can often be intractable in real-world applications due to the…

Robotics · Computer Science 2021-06-29 Kuan Fang , Yuke Zhu , Silvio Savarese , Li Fei-Fei

Robots operating in human environments need various skills, like slow and fast walking, turning, side-stepping, and many more. However, building robot controllers that can exhibit such a large range of behaviors is a challenging problem…

Robotics · Computer Science 2022-02-28 Tianyu Li , Jungdam Won , Sehoon Ha , Akshara Rai

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

Can we teach a robot to recognize and make predictions for activities that it has never seen before? We tackle this problem by learning models for video from text. This paper presents a hierarchical model that generalizes instructional…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Fadime Sener , Rishabh Saraf , Angela Yao

Visual Storytelling~(VIST) is a task to tell a narrative story about a certain topic according to the given photo stream. The existing studies focus on designing complex models, which rely on a huge amount of human-annotated data. However,…

Computation and Language · Computer Science 2020-08-12 Jiacheng Li , Siliang Tang , Juncheng Li , Jun Xiao , Fei Wu , Shiliang Pu , Yueting Zhuang

Few-shot learning is a challenging problem where the goal is to achieve generalization from only few examples. Model-agnostic meta-learning (MAML) tackles the problem by formulating prior knowledge as a common initialization across tasks,…

Machine Learning · Computer Science 2020-06-17 Sungyong Baik , Seokil Hong , Kyoung Mu Lee

Long-horizon tasks, usually characterized by complex subtask dependencies, present a significant challenge in manipulation planning. Skill chaining is a practical approach to solving unseen tasks by combining learned skill priors. However,…

Robotics · Computer Science 2024-01-09 Utkarsh A. Mishra , Shangjie Xue , Yongxin Chen , Danfei Xu

Achieving human-level intelligence requires refining cognitive distinctions between System 1 and System 2 thinking. While contemporary AI, driven by large language models, demonstrates human-like traits, it falls short of genuine cognition.…

Machine Learning · Computer Science 2025-02-11 Guangyan Sun , Mingyu Jin , Zhenting Wang , Cheng-Long Wang , Siqi Ma , Qifan Wang , Tong Geng , Ying Nian Wu , Yongfeng Zhang , Dongfang Liu

We consider the problem of sequential robotic manipulation of deformable objects using tools. Previous works have shown that differentiable physics simulators provide gradients to the environment state and help trajectory optimization to…

Machine Learning · Computer Science 2022-04-01 Xingyu Lin , Zhiao Huang , Yunzhu Li , Joshua B. Tenenbaum , David Held , Chuang Gan

Generalizing manipulation skills to new situations requires extracting invariant patterns from demonstrations. For example, the robot needs to understand the demonstrations at a higher level while being invariant to the appearance of the…

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

The ability to continuously expand knowledge over time and utilize it to rapidly generalize to new tasks is a key feature of human linguistic intelligence. Existing models that pursue rapid generalization to new tasks (e.g., few-shot…

Computation and Language · Computer Science 2022-08-23 Xisen Jin , Bill Yuchen Lin , Mohammad Rostami , Xiang Ren

We present a low-cost legged mobile manipulation system that solves long-horizon real-world tasks, trained by reinforcement learning purely in simulation. This system is made possible by 1) a hierarchical design of a high-level policy for…

Robotics · Computer Science 2025-01-31 Haichao Zhang , Haonan Yu , Le Zhao , Andrew Choi , Qinxun Bai , Break Yang , Wei Xu

Hierarchical federated learning (HFL) has demonstrated promising scalability advantages over the traditional "star-topology" architecture-based federated learning (FL). However, HFL still imposes significant computation, communication, and…

Machine Learning · Computer Science 2025-01-28 Wenzhi Fang , Dong-Jun Han , Christopher G. Brinton

For robots operating in the real world, it is desirable to learn reusable behaviours that can effectively be transferred and adapted to numerous tasks and scenarios. We propose an approach to learn abstract motor skills from data using a…