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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

We propose a novel method applicable in many scene understanding problems that adapts the Monte Carlo Tree Search (MCTS) algorithm, originally designed to learn to play games of high-state complexity. From a generated pool of proposals, our…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Sinisa Stekovic , Mahdi Rad , Alireza Moradi , Friedrich Fraundorfer , Vincent Lepetit

Multi-robot motion planning (MRMP) is the problem of finding collision-free paths for a set of robots in a continuous state space. The difficulty of MRMP increases with the number of robots and is exacerbated in environments with narrow…

Robotics · Computer Science 2023-11-17 Courtney McBeth , James Motes , Diane Uwacu , Marco Morales , Nancy M. Amato

This paper presents enhancements to the projection pursuit tree classifier and visual diagnostic methods for assessing their impact in high dimensions. The original algorithm uses linear combinations of variables in a tree structure where…

Machine Learning · Statistics 2026-03-16 Natalia da Silva , Dianne Cook , Eun-Kyung Lee

Rearrangement-based nonprehensile manipulation still remains as a challenging problem due to the high-dimensional problem space and the complex physical uncertainties it entails. We formulate this class of problems as a coupled problem of…

Robotics · Computer Science 2023-02-10 Kejia Ren , Podshara Chanrungmaneekul , Lydia E. Kavraki , Kaiyu Hang

Large Vision-Language Models (VLMs), such as GPT-4, have achieved remarkable success across various fields. However, there are few studies on 3D indoor scene generation with VLMs. This paper considers this task as a planning problem subject…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Wei Deng , Mengshi Qi , Huadong Ma

Algorithms for robotic visual search can benefit from the use of visual attention methods in order to reduce computational costs. Here, we describe how three distinct mechanisms of visual attention can be integrated and productively used to…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Amir Rasouli , John K. Tsotsos

This paper considers multi-goal motion planning in unstructured, obstacle-rich environments where a robot is required to reach multiple regions while avoiding collisions. The planned motions must also satisfy the differential constraints…

Robotics · Computer Science 2025-03-27 Yuanjie Lu , Erion Plaku

We introduce a planner designed to guide robot manipulators in stably placing objects within intricate scenes. Our proposed method reverses the traditional approach to object placement: our planner selects contact points first and then…

Robotics · Computer Science 2025-06-25 Philippe Nadeau , Jonathan Kelly

Most of existing correlation filter-based tracking approaches only estimate simple axis-aligned bounding boxes, and very few of them is capable of recovering the underlying similarity transformation. To tackle this challenging problem, in…

Computer Vision and Pattern Recognition · Computer Science 2018-11-08 Yang Li , Jianke Zhu , Steven C. H. Hoi , Wenjie Song , Zhefeng Wang , Hantang Liu

We present a self-learning approach that combines deep reinforcement learning and Monte Carlo tree search to solve the traveling salesman problem. The proposed approach has two advantages. First, it adopts deep reinforcement learning to…

Machine Learning · Computer Science 2020-05-15 Zhihao Xing , Shikui Tu , Lei Xu

Nowadays, a number of grasping algorithms have been proposed, that can predict a candidate of grasp poses, even for unseen objects. This enables a robotic manipulator to pick-and-place such objects. However, some of the predicted grasp…

Robotics · Computer Science 2023-09-28 Jiaming Hu , Zhao Tang , Henrik I. Christensen

Camera relocalization plays a vital role in many robotics and computer vision tasks, such as global localization, recovery from tracking failure, and loop closure detection. Recent random forests based methods directly predict 3D world…

Computer Vision and Pattern Recognition · Computer Science 2017-10-24 Lili Meng , Jianhui Chen , Frederick Tung , James J. Little , Julien Valentin , Clarence W. de Silva

For UAV-aided wireless systems, online path planning attracts much attention recently. To better adapt to the real-time dynamic environment, we, for the first time, propose a Monte Carlo Tree Search (MCTS)-based path planning scheme. In…

Networking and Internet Architecture · Computer Science 2022-02-08 Yuwen Qian , Kexin Sheng , Chuan Ma , Jun Li , Ming Ding , Mahbub Hassan

We present a scalable tree search planning algorithm for large multi-agent sequential decision problems that require dynamic collaboration. Teams of agents need to coordinate decisions in many domains, but naive approaches fail due to the…

Artificial Intelligence · Computer Science 2021-01-14 Shushman Choudhury , Jayesh K. Gupta , Peter Morales , Mykel J. Kochenderfer

This study demonstrates a method to locate an ideal perch location on a tree for vision-guided autonomous tree-perching drones. Various image processing algorithms, including those used for machine learning, image segmentation and binary…

Robotics · Computer Science 2026-05-18 Alex Dunnett , Leonie Bottomley , Mirko Kovac , Basaran Bahadir Kocer

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

In this paper, we address a method that integrates reinforcement learning into the Monte Carlo tree search to boost online path planning under fully observable environments for automated parking tasks. Sampling-based planning methods under…

Artificial Intelligence · Computer Science 2025-01-03 Xinlong Zheng , Xiaozhou Zhang , Donghao Xu

Visual perception is an effective way to obtain the spatial characteristics of wireless channels and to reduce the overhead for communications system. A critical problem for the visual assistance is that the communications system needs to…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Weihua Xu , Feifei Gao , Yong Zhang , Chengkang Pan , Guangyi Liu

Human environments contain numerous objects configured in a variety of arrangements. Our goal is to enable robots to repose previously unseen objects according to learned semantic relationships in novel environments. We break this problem…

Robotics · Computer Science 2021-08-30 Chris Paxton , Chris Xie , Tucker Hermans , Dieter Fox