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Extrinsic calibration is essential for multi-sensor fusion, existing methods rely on structured targets or fully-excited data, limiting real-world applicability. Online calibration further suffers from weak excitation, leading to unreliable…

Robotics · Computer Science 2025-08-11 Baorun Li , Chengrui Zhu , Siyi Du , Bingran Chen , Jie Ren , Wenfei Wang , Yong Liu , Jiajun Lv

Industrial robots are widely used in various manufacturing environments due to their efficiency in doing repetitive tasks such as assembly or welding. A common problem for these applications is to reach a destination without colliding with…

Robotics · Computer Science 2023-01-18 Teham Bhuiyan , Linh Kästner , Yifan Hu , Benno Kutschank , Jens Lambrecht

Reinforcement learning (RL) holds great promise for enabling autonomous acquisition of complex robotic manipulation skills, but realizing this potential in real-world settings has been challenging. We present a human-in-the-loop…

Robotics · Computer Science 2025-03-21 Jianlan Luo , Charles Xu , Jeffrey Wu , Sergey Levine

A common prerequisite for evaluating a visual(-inertial) odometry (VO/VIO) algorithm is to align the timestamps and the reference frame of its estimated trajectory with a reference ground-truth derived from a system of superior precision,…

Robotics · Computer Science 2024-04-25 Zichao Shu , Lijun Li , Rui Wang , Zetao Chen

Camera-based perception systems play a central role in modern autonomous vehicles. These camera based perception algorithms require an accurate calibration to map the real world distances to image pixels. In practice, calibration is a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Ciarán Hogan , Ganesh Sistu , Ciarán Eising

One unresolved issue is how to scale model-based inverse reinforcement learning (IRL) to actual robotic manipulation tasks with unpredictable dynamics. The ability to learn from both visual and proprioceptive examples, creating algorithms…

Robotics · Computer Science 2024-08-08 Md Shoyib Hassan , Sabir Md Sanaullah

In swarm robotics, confrontation scenarios, including strategic confrontations, require efficient decision-making that integrates discrete commands and continuous actions. Traditional task and motion planning methods separate…

Robotics · Computer Science 2025-08-28 Qizhen Wu , Lei Chen , Kexin Liu , Jinhu Lu

Camera calibration involves estimating camera parameters to infer geometric features from captured sequences, which is crucial for computer vision and robotics. However, conventional calibration is laborious and requires dedicated…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Kang Liao , Lang Nie , Shujuan Huang , Chunyu Lin , Jing Zhang , Yao Zhao , Moncef Gabbouj , Dacheng Tao

Current traditional methods for LiDAR-camera extrinsics estimation depend on offline targets and human efforts, while learning-based approaches resort to iterative refinement for calibration results, posing constraints on their…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Shuang Xu , Sifan Zhou , Zhi Tian , Jizhou Ma , Qiong Nie , Xiangxiang Chu

Manipulation planning is the problem of finding a sequence of robot configurations that involves interactions with objects in the scene, e.g., grasping and placing an object, or more general tool-use. To achieve such interactions,…

Robotics · Computer Science 2022-08-01 Jung-Su Ha , Danny Driess , Marc Toussaint

Class-incremental learning requires a learning system to continually learn knowledge of new classes and meanwhile try to preserve previously learned knowledge of old classes. As current state-of-the-art methods based on Vision-Language…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Jiantao Tan , Peixian Ma , Tong Yu , Wentao Zhang , Ruixuan Wang

In swarm robotics, confrontation including the pursuit-evasion game is a key scenario. High uncertainty caused by unknown opponents' strategies, dynamic obstacles, and insufficient training complicates the action space into a hybrid…

Robotics · Computer Science 2024-10-28 Qizhen Wu , Kexin Liu , Lei Chen , Jinhu Lü

Precise calibration is the basis for the vision-guided robot system to achieve high-precision operations. Systems with multiple eyes (cameras) and multiple hands (robots) are particularly sensitive to calibration errors, such as…

Robotics · Computer Science 2023-05-05 Zishun Zhou , Liping Ma , Xilong Liu , Zhiqiang Cao , Junzhi Yu

Accurate 3D reconstruction using multi-camera RGB-D systems critically depends on precise extrinsic calibration to achieve proper alignment between captured views. In this paper, we introduce an iterative extrinsic calibration method that…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Nahuel Garcia-D'Urso , Bernabe Sanchez-Sos , Jorge Azorin-Lopez , Andres Fuster-Guillo , Antonio Macia-Lillo , Higinio Mora-Mora

External effects such as shocks and temperature variations affect the calibration of visual-inertial sensor systems and thus they cannot fully rely on factory calibrations. Re-calibrations performed on short user-collected datasets might…

Robotics · Computer Science 2019-01-23 Thomas Schneider , Mingyang Li , Cesar Cadena , Juan Nieto , Roland Siegwart

Robotic eye-in-hand calibration is the task of determining the rigid 6-DoF pose of the camera with respect to the robot end-effector frame. In this paper, we formulate this task as a non-linear optimization problem and introduce an active…

Robotics · Computer Science 2023-03-14 Jun Yang , Jason Rebello , Steven L. Waslander

Camera calibration is integral to robotics and computer vision algorithms that seek to infer geometric properties of the scene from visual input streams. In practice, calibration is a laborious procedure requiring specialized data…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Jiading Fang , Igor Vasiljevic , Vitor Guizilini , Rares Ambrus , Greg Shakhnarovich , Adrien Gaidon , Matthew R. Walter

Mobile robot navigation in complex and dynamic environments is a challenging but important problem. Reinforcement learning approaches fail to solve these tasks efficiently due to reward sparsities, temporal complexities and…

Robotics · Computer Science 2018-04-30 Xi Chen , Ali Ghadirzadeh , John Folkesson , Patric Jensfelt

Real time calculation of inverse kinematics (IK) with dynamically stable configuration is of high necessity in humanoid robots as they are highly susceptible to lose balance. This paper proposes a methodology to generate joint-space…

Robotics · Computer Science 2018-02-01 S Phaniteja , Parijat Dewangan , Pooja Guhan , Abhishek Sarkar , K Madhava Krishna

Traditional visual servoing methods suffer from serving between scenes from multiple perspectives, which humans can complete with visual signals alone. In this paper, we investigated how multi-perspective visual servoing could be solved…

Robotics · Computer Science 2023-12-27 Lei Zhang , Jiacheng Pei , Kaixin Bai , Zhaopeng Chen , Jianwei Zhang