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Object detection is a basic and important task in the field of aerial image processing and has gained much attention in computer vision. However, previous aerial image object detection approaches have insufficient use of scene semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Zhiming Liu , Xuefei Zhang , Chongyang Liu , Hao Wang , Chao Sun , Bin Li , Weifeng Sun , Pu Huang , Qingjun Li , Yu Liu , Haipeng Kuang , Jihong Xiu

Despite the commercial abundance of UAVs, aerial data acquisition remains challenging, and the existing Asia and North America-centric open-source UAV datasets are small-scale or low-resolution and lack diversity in scene contextuality.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Aritra Dutta , Srijan Das , Jacob Nielsen , Rajatsubhra Chakraborty , Mubarak Shah

In upcoming 6G networks, unmanned aerial vehicles (UAVs) are expected to play a fundamental role by acting as mobile base stations, particularly for demanding vehicle-to-everything (V2X) applications. In this scenario, one of the most…

Robotics · Computer Science 2024-02-07 Leonardo Spampinato , Enrico Testi , Chiara Buratti , Riccardo Marini

The deployment of Unmanned Aerial Vehicle (UAV) swarms as dynamic communication relays is critical for next-generation tactical networks. However, operating in contested environments requires solving a complex trade-off, including…

Networking and Internet Architecture · Computer Science 2025-12-10 Thai Duong Nguyen , Ngoc-Tan Nguyen , Thanh-Dao Nguyen , Nguyen Van Huynh , Dinh-Hieu Tran , Symeon Chatzinotas

In this paper, a deep reinforcement learning (DRL) method is proposed to address the problem of UAV navigation in an unknown environment. However, DRL algorithms are limited by the data efficiency problem as they typically require a huge…

Robotics · Computer Science 2020-08-07 Lei He , Nabil Aouf , James F. Whidborne , Bifeng Song

Vision-language models (VLMs) have significantly improved the generalization capabilities of robotic manipulation. However, VLM-based systems often suffer from a lack of robustness, leading to unpredictable errors, particularly in scenarios…

Robotics · Computer Science 2026-03-17 Yayun He , Zuheng Kang , Botao Zhao , Zhouyin Wu , Junqing Peng , Jianzong Wang

Local navigation in cluttered environments often suffers from dense obstacles and frequent local minima. Conventional local planners rely on heuristics and are prone to failure, while deep reinforcement learning(DRL)based approaches provide…

Robotics · Computer Science 2026-03-18 Jiwon Park , Dongkyu Lee , I Made Aswin Nahrendra , Jaeyoung Lim , Hyun Myung

Distance-based reward mechanisms in deep reinforcement learning (DRL) navigation systems suffer from critical safety limitations in dynamic environments, frequently resulting in collisions when visibility is restricted. We propose DRL-NSUO,…

Robotics · Computer Science 2025-03-04 Mingao Tan , Shanze Wang , Biao Huang , Zhibo Yang , Rongfei Chen , Xiaoyu Shen , Wei Zhang

Current Large Language Models (LLMs) and Vision-Language Large Models (LVLMs) excel in single-turn tasks but face significant challenges in multi-turn interactions requiring deep contextual understanding and complex visual reasoning, often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Weijie Shen , Xinrui Wang , Yuanqi Nie , Apiradee Boonmee

Deep neural networks have been shown as a class of useful tools for addressing signal recognition issues in recent years, especially for identifying the nonlinear feature structures of signals. However, this power of most deep learning…

Machine Learning · Computer Science 2021-06-15 Yihong Dong , Ying Peng , Muqiao Yang , Songtao Lu , Qingjiang Shi

Vision-based autonomous urban driving in dense traffic is quite challenging due to the complicated urban environment and the dynamics of the driving behaviors. Widely-applied methods either heavily rely on hand-crafted rules or learn from…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Yinuo Zhao , Kun Wu , Zhiyuan Xu , Zhengping Che , Qi Lu , Jian Tang , Chi Harold Liu

Image retrieval (IR) has emerged as a promising approach for self-localization in unmanned aerial vehicles (UAVs). However, IR-based methods face several challenges: 1) Pre- and post-processing incur significant computational and storage…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Ming Dai , Enhui Zheng , Jiahao Chen , Lei Qi , Zhenhua Feng , Wankou Yang

Multimodal representation learning harmonizes distinct modalities by aligning them into a unified latent space. Recent research generalizes traditional cross-modal alignment to produce enhanced multimodal synergy but requires all modalities…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Xiaohao Liu , Xiaobo Xia , Jiaheng Wei , Shuo Yang , Xiu Su , See-Kiong Ng , Tat-Seng Chua

Deep reinforcement learning (DRL) finds extensive application in autonomous drone navigation within complex, high-risk environments. However, its practical deployment faces a safety-exploration dilemma: soft penalty mechanisms encourage…

Robotics · Computer Science 2026-05-04 Wentao Chen , Jingtang Chen , Mingjian Fu , Tiantian Li , Youfeng Su , Wenxi Liu , Yuanlong Yu

Aerial manipulation (AM) expands UAV capabilities beyond passive observation to contact-based operations at high altitudes and in otherwise inaccessible environments. Although recent advances show promise, most AM systems are developed in…

Robotics · Computer Science 2026-03-10 Yiming Zhang , Junyi Geng

Frame prediction based on AutoEncoder plays a significant role in unsupervised video anomaly detection. Ideally, the models trained on the normal data could generate larger prediction errors of anomalies. However, the correlation between…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Xiangyu Huang , Caidan Zhao , Jinghui Yu , Chenxing Gao , Zhiqiang Wu

Due to the uneven absorption of different light wavelengths in aquatic environments, underwater images suffer from low visibility and clear color deviations. With the advancement of autonomous underwater vehicles, extensive research has…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zengxi Zhang , Zeru Shi , Zhiying Jiang , Jinyuan Liu

Zero-shot object navigation requires agents to locate unseen target objects in unfamiliar environments without prior maps or task-specific training which remains a significant challenge. Although recent advancements in vision-language…

Robotics · Computer Science 2026-04-08 Feng Wu , Wei Zuo , Wenliang Yang , Jun Xiao , Yang Liu , Xinhua Zeng

Combining deep neural networks with reinforcement learning has shown great potential in the next-generation intelligent control. However, there are challenges in terms of safety and cost in practical applications. In this paper, we propose…

Robotics · Computer Science 2018-11-16 Fan Wang , Bo Zhou , Ke Chen , Tingxiang Fan , Xi Zhang , Jiangyong Li , Hao Tian , Jia Pan

Navigating robots safely and efficiently in crowded and complex environments remains a significant challenge. However, due to the dynamic and intricate nature of these settings, planning efficient and collision-free paths for robots to…

Robotics · Computer Science 2024-10-22 Zhuanglei Wen , Mingze Dong , Xiai Chen