English
Related papers

Related papers: Learning Topological Motion Primitives for Knot Pl…

200 papers

Human motion is a continuous physical process in 3D space, governed by complex dynamic and kinematic constraints. Existing methods typically represent the human pose as an abstract graph structure, neglecting the intrinsic physical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Shuaijin Wan

Robotic planning problems in hybrid state and action spaces can be solved by integrated task and motion planners (TAMP) that handle the complex interaction between motion-level decisions and task-level plan feasibility. TAMP approaches rely…

Robotics · Computer Science 2021-07-19 Tom Silver , Rohan Chitnis , Joshua Tenenbaum , Leslie Pack Kaelbling , Tomas Lozano-Perez

A segmentation-based architecture is proposed to decompose objects into multiple primitive shapes from monocular depth input for robotic manipulation. The backbone deep network is trained on synthetic data with 6 classes of primitive shapes…

Computer Vision and Pattern Recognition · Computer Science 2019-09-19 Yunzhi Lin , Chao Tang , Fu-Jen Chu , Patricio A. Vela

We study generalizable policy learning from demonstrations for complex low-level control (e.g., contact-rich object manipulations). We propose a novel hierarchical imitation learning method that utilizes sub-optimal demos. Firstly, we…

Machine Learning · Computer Science 2024-07-09 Zhiwei Jia , Vineet Thumuluri , Fangchen Liu , Linghao Chen , Zhiao Huang , Hao Su

Active localization is the problem of generating robot actions that allow it to maximally disambiguate its pose within a reference map. Traditional approaches to this use an information-theoretic criterion for action selection and…

Robotics · Computer Science 2019-03-06 Sai Krishna , Keehong Seo , Dhaivat Bhatt , Vincent Mai , Krishna Murthy , Liam Paull

It has been observed that the very important motion planning problem of robotics mathematically speaking boils down to the problem of finding a section to the path-space fibration, raising the notion of topological complexity, as introduced…

Algebraic Topology · Mathematics 2018-12-27 Eric Goubault , Michael Farber , Aurélien Sagnier

This paper introduces a discrete-continuous action space to learn insertion primitives for robotic assembly tasks. Primitive is a sequence of elementary actions with certain exit conditions, such as "pushing down the peg until contact".…

Robotics · Computer Science 2021-10-26 Xiang Zhang , Shiyu Jin , Changhao Wang , Xinghao Zhu , Masayoshi Tomizuka

We analyze different aspects of neural network predictions of knot invariants. First, we investigate the impact of different knot representations on the prediction of invariants and find that braid representations work in general the best.…

Geometric Topology · Mathematics 2025-02-19 Audrey Lindsay , Fabian Ruehle

In this paper we introduce and study a new concept of parametrised topological complexity, a topological invariant motivated by the motion planning problem of robotics. In the parametrised setting, a motion planning algorithm has high…

Algebraic Topology · Mathematics 2021-09-10 Daniel C. Cohen , Michael Farber , Shmuel Weinberger

Within the context of trajectory planning for autonomous vehicles this paper proposes methods for efficient encoding of motion primitives in neural networks on top of model-based and gradient-free reinforcement learning. It is distinguished…

Robotics · Computer Science 2018-10-04 Mogens Graf Plessen

We present a new approach to transfer grasp configurations from prior example objects to novel objects. We assume the novel and example objects have the same topology and similar shapes. We perform 3D segmentation on these objects using…

Robotics · Computer Science 2018-10-30 Hao Tian , Changbo Wang , Dinesh Manocha , Xinyu Zhang

Task and motion planning is one of the key problems in robotics today. It is often formulated as a discrete task allocation problem combined with continuous motion planning. Many existing approaches to TAMP involve explicit descriptions of…

Robotics · Computer Science 2023-09-28 Jimmy Envall , Roi Poranne , Stelian Coros

Robot kinematics data, despite being a high dimensional process, is highly correlated, especially when considering motions grouped in certain primitives. These almost linear correlations within primitives allow us to interpret the motions…

Machine Learning · Computer Science 2022-03-01 Vsevolod Nikulin , Jun Tani

Message-passing architectures struggle to sufficiently model long-range dependencies in node and graph prediction tasks. We propose a novel approach exploiting hierarchical graph structures and adaptive random walks to address this…

Machine Learning · Computer Science 2025-09-03 Joël Mathys , Federico Errica

We present a novel method enabling robots to quickly learn to manipulate objects by leveraging a motion planner to generate "expert" training trajectories from a small amount of human-labeled data. In contrast to the traditional…

Developing an intelligent vehicle which can perform human-like actions requires the ability to learn basic driving skills from a large amount of naturalistic driving data. The algorithms will become efficient if we could decompose the…

Robotics · Computer Science 2018-12-18 Boyang Wang , Jianwei Gong , Ruizeng Zhang , Huiyan Chen

Learning-based methods have shown promising performance for accelerating motion planning, but mostly in the setting of static environments. For the more challenging problem of planning in dynamic environments, such as multi-arm assembly…

Robotics · Computer Science 2025-06-13 Ruipeng Zhang , Chenning Yu , Jingkai Chen , Chuchu Fan , Sicun Gao

Knotted proteins embed a physical (i.e., open) knot within their native structures. For decades, significant effort has been devoted to elucidating the functional role of knots in proteins, yet no consensus has been reached. Here, using…

Biomolecules · Quantitative Biology 2026-03-13 João NC Especial , Patrícia FN Faísca

Motion planning is a mature area of research in robotics with many well-established methods based on optimization or sampling the state space, suitable for solving kinematic motion planning. However, when dynamic motions under constraints…

We propose in this paper Periodic Interaction Primitives - a probabilistic framework that can be used to learn compact models of periodic behavior. Our approach extends existing formulations of Interaction Primitives to periodic movement…