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We present an active visual search model for finding objects in unknown environments. The proposed algorithm guides the robot towards the sought object using the relevant stimuli provided by the visual sensors. Existing search strategies…

Robotics · Computer Science 2021-02-08 Amir Rasouli , Pablo Lanillos , Gordon Cheng , John K. Tsotsos

Accurate reconstruction of the environment is a central goal of Simultaneous Localization and Mapping (SLAM) systems. However, the agent's trajectory can significantly affect estimation accuracy. This paper presents a new method to model…

Robotics · Computer Science 2025-06-24 Sebastian Sansoni , Javier Gimenez , Gastón Castro , Santiago Tosetti , Flavio Craparo

Using environmental sensory data can enhance communications beam training and reduce its overhead compared to conventional methods. However, the availability of fresh sensory data during inference may be limited due to sensing constraints…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Abolfazl Zakeri , Nhan Thanh Nguyen , Ahmed Alkhateeb , Markku Juntti

Discovering governing equations from data is crucial for understanding complex systems in many diverse fields from science to engineering. Yet, there still is a lack of versatile computational toolbox to deal with this long standing…

Chaotic Dynamics · Physics 2026-05-15 Chengzuo Zhuge , Zheng Jiang , Zhefan Xu , Wei Chen

In this paper, we develop an uncertainty-aware decision-making and motion-planning method for an autonomous ego vehicle in forced merging scenarios, considering the motion uncertainty of surrounding vehicles. The method dynamically captures…

Robotics · Computer Science 2024-10-29 Jian Zhou , Yulong Gao , Björn Olofsson , Erik Frisk

This paper introduces a novel approach to creating adaptive language agents by integrating active inference with large language models (LLMs). While LLMs demonstrate remarkable capabilities, their reliance on static prompts limits…

Computation and Language · Computer Science 2025-01-13 Rithvik Prakki

We develop data-driven algorithms to fully automate sensor fault detection in systems governed by underlying physics. The proposed machine learning method uses a time series of typical behavior to approximate the evolution of measurements…

Active perception approaches select future viewpoints by using some estimate of the information gain. An inaccurate estimate can be detrimental in critical situations, e.g., locating a person in distress. However the true information gained…

Robotics · Computer Science 2026-04-17 Siming He , Yuezhan Tao , Igor Spasojevic , Vijay Kumar , Pratik Chaudhari

At the heart of path-planning methods for autonomous robotic exploration is a heuristic which encourages exploring unknown regions of the environment. Such heuristics are typically computed using frontier-based or information-theoretic…

Robotics · Computer Science 2020-11-11 Di Deng , Runlin Duan , Jiahong Liu , Kuangjie Sheng , Kenji Shimada

We present an approach for autonomous sensor control for information gathering under partially observable, dynamic and sparsely sampled environments that maximizes information about entities present in that space. We describe our approach…

Artificial Intelligence · Computer Science 2023-05-24 J. Brian Burns , Aravind Sundaresan , Pedro Sequeira , Vidyasagar Sadhu

The growing demand for robust scene understanding in mobile robotics and autonomous driving has highlighted the importance of integrating multiple sensing modalities. By combining data from diverse sensors like cameras and LIDARs, fusion…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Depanshu Sani , Saket Anand

The path planning problem for autonomous exploration of an unknown region by a robotic agent typically employs frontier-based or information-theoretic heuristics. Frontier-based heuristics typically evaluate the information gain of a…

Robotics · Computer Science 2020-11-11 Di Deng , Zhefan Xu , Wenbo Zhao , Kenji Shimada

To safely navigate unknown environments, robots must accurately perceive dynamic obstacles. Instead of directly measuring the scene depth with a LiDAR sensor, we explore the use of a much cheaper and higher resolution sensor: programmable…

Machine Learning · Computer Science 2021-07-09 Siddharth Ancha , Gaurav Pathak , Srinivasa G. Narasimhan , David Held

Robotic exploration in large-scale environments is computationally demanding due to the high overhead of processing extensive frontiers. This article presents an OctoMap-based frontier exploration algorithm with predictable, asymptotically…

Robotics · Computer Science 2026-04-06 John Lewis , Meysam Basiri , Pedro U. Lima

Sim-to-real discrepancies hinder learning-based policies from achieving high-precision tasks in the real world. While Domain Randomization (DR) is commonly used to bridge this gap, it often relies on heuristics and can lead to overly…

Robotics · Computer Science 2025-05-21 Nikhil Sobanbabu , Guanqi He , Tairan He , Yuxiang Yang , Guanya Shi

Human decision-making in cognitive tasks and daily life exhibits considerable variability, shaped by factors such as task difficulty, individual preferences, and personal experiences. Understanding this variability across individuals is…

Artificial Intelligence · Computer Science 2025-05-07 Chen Wei , Chi Zhang , Jiachen Zou , Haotian Deng , Dietmar Heinke , Quanying Liu

Traditional tracking-by-detection systems typically employ Kalman filters (KF) for state estimation. However, the KF requires domain-specific design choices and it is ill-suited to handling non-linear motion patterns. To address these…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Momir Adžemović , Predrag Tadić , Andrija Petrović , Mladen Nikolić

Autonomous navigation in unfamiliar environments often relies on geometric mapping and planning strategies that overlook rich semantic cues such as signs, room numbers, and textual labels. We propose a novel semantic navigation framework…

Robotics · Computer Science 2026-01-13 Jing Cao , Nishanth Kumar , Aidan Curtis

Motion estimation is a crucial component in multi-object tracking (MOT). It predicts the trajectory of objects by analyzing the changes in their positions in consecutive frames of images, reducing tracking failures and identity switches.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Jian Song , Wei Mei , Yunfeng Xu , Qiang Fu , Renke Kou , Lina Bu , Yucheng Long

We present an iterative active constraint learning (ACL) algorithm, within the learning from demonstrations (LfD) paradigm, which intelligently solicits informative demonstration trajectories for inferring an unknown constraint in the…

Robotics · Computer Science 2025-12-30 Zheng Qiu , Chih-Yuan Chiu , Glen Chou