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This paper presents a new Vision Transformer (ViT) architecture Multi-Scale Vision Longformer, which significantly enhances the ViT of \cite{dosovitskiy2020image} for encoding high-resolution images using two techniques. The first is the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Pengchuan Zhang , Xiyang Dai , Jianwei Yang , Bin Xiao , Lu Yuan , Lei Zhang , Jianfeng Gao

Navigation is a fundamental capacity for mobile robots, enabling them to operate autonomously in complex and dynamic environments. Conventional approaches use probabilistic models to localize robots and build maps simultaneously using…

Robotics · Computer Science 2025-07-08 Tuan Dang , Manfred Huber

This paper presents a novel layered framework that integrates visual foundation models to improve robot manipulation tasks and motion planning. The framework consists of five layers: Perception, Cognition, Planning, Execution, and Learning.…

Robotics · Computer Science 2023-09-21 Chen Yang , Peng Zhou , Jiaming Qi

Vision Transformers (ViTs) have emerged as a powerful architecture for computer vision tasks due to their ability to model long-range dependencies and global contextual relationships. However, their substantial compute and memory demands…

Autonomous robotic exploration of unknown and hazardous environments, a long-standing challenge, can be significantly improved by leveraging the advanced reasoning of Vision-Language Models (VLMs). We introduce a novel exploration pipeline…

Robotics · Computer Science 2026-05-25 Aarush Aitha , Avideh Zakhor

The simplicity of the visual servoing approach makes it an attractive option for tasks dealing with vision-based control of robots in many real-world applications. However, attaining precise alignment for unseen environments pose a…

In computer vision, Single Image Super-Resolution (SISR) is still a difficult problem. We present ViT-SR, a new technique to improve the performance of a Vision Transformer (ViT) employing a two-stage training strategy. In our method, the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Aditya Chaudhary , Prachet Dev Singh , Ankit Jha

In a busy city street, a pedestrian surrounded by distractions can pick out a single sign if it is relevant to their route. Artificial agents in outdoor Vision-and-Language Navigation (VLN) are also confronted with detecting supervisory…

Machine Learning · Computer Science 2022-11-21 Jason Armitage , Leonardo Impett , Rico Sennrich

The introduction of robust backbones, such as Vision Transformers, has improved the performance of object tracking algorithms in recent years. However, these state-of-the-art trackers are computationally expensive since they have a large…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Goutam Yelluru Gopal , Maria A. Amer

This paper introduces a novel neural network framework called M2BeamLLM for beam prediction in millimeter-wave (mmWave) massive multi-input multi-output (mMIMO) communication systems. M2BeamLLM integrates multi-modal sensor data, including…

Computation and Language · Computer Science 2025-06-18 Can Zheng , Jiguang He , Chung G. Kang , Guofa Cai , Zitong Yu , Merouane Debbah

Traditional channel acquisition faces significant limitations due to ideal model assumptions and scalability challenges. A novel environment-aware paradigm, known as channel twinning, tackles these issues by constructing radio propagation…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Yashuai Cao , Jintao Wang , Xu Shi , Wei Ni

Despite the demonstrated effectiveness of transformer models in NLP, and image and video classification, the available tools for extracting features from captured IoT network flow packets fail to capture sequential patterns in addition to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Hassan Wasswa , Timothy Lynar , Aziida Nanyonga , Hussein Abbass

Predicting the future motion of surrounding agents is essential for autonomous vehicles (AVs) to operate safely in dynamic, human-robot-mixed environments. Context information, such as road maps and surrounding agents' states, provides…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yang Zhou , Hao Shao , Letian Wang , Steven L. Waslander , Hongsheng Li , Yu Liu

While recent large vision-language models (VLMs) have improved generalization in vision-language navigation (VLN), existing methods typically rely on end-to-end pipelines that map vision-language inputs directly to short-horizon discrete…

Visual Teach-and-Repeat Navigation is a direct solution for mobile robot to be deployed in unknown environments. However, robust trajectory repeat navigation still remains challenged due to environmental changing and dynamic objects. In…

Robotics · Computer Science 2025-10-13 Jikai Wang , Yunqi Cheng , Kezhi Wang , Zonghai Chen

In this paper, we compare different map management techniques for long-term visual navigation in changing environments. In this scenario, the navigation system needs to continuously update and refine its feature map in order to adapt to the…

Ray tracing algorithms, that can simulate multipath radio propagation in presence of geometric obstacles such as buildings, objects or vehicles, are becoming quite popular, due to the increasing availability of digital environment databases…

Signal Processing · Electrical Eng. & Systems 2023-06-14 Denis Bilibashi , Enrico M. Vitucci , Vittorio Degli-Esposti

This paper proposes the Real-Time Fast Marching Tree (RT-FMT), a real-time planning algorithm that features local and global path generation, multiple-query planning, and dynamic obstacle avoidance. During the search, RT-FMT quickly looks…

Robotics · Computer Science 2025-02-14 Jefferson Silveira , Kleber Cabral , Sidney Givigi , Joshua A. Marshall

We present Predictive Sparse Manifold Transform (PSMT), a minimalistic, interpretable and biologically plausible framework for learning and predicting natural dynamics. PSMT incorporates two layers where the first sparse coding layer…

Machine Learning · Statistics 2023-08-29 Yujia Xie , Xinhui Li , Vince D. Calhoun

Providing reliable cellular connectivity to Unmanned Aerial Vehicles (UAV) is a key challenge, as existing terrestrial networks are deployed mainly for ground-level coverage. The cellular network coverage may be available for a limited…

Signal Processing · Electrical Eng. & Systems 2026-01-26 Gautham Reddy , Ismail Guvenc , Mihail L. Sichitiu , Arupjyoti Bhuyan , Bryton Petersen , Jason Abrahamson