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Constructing high-definition (HD) maps is a crucial requirement for enabling autonomous driving. In recent years, several map segmentation algorithms have been developed to address this need, leveraging advancements in Bird's-Eye View (BEV)…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Peijin Jia , Tuopu Wen , Ziang Luo , Mengmeng Yang , Kun Jiang , Zhiquan Lei , Xuewei Tang , Ziyuan Liu , Le Cui , Bo Zhang , Long Huang , Diange Yang

The ever increasing amount of GPS-equipped vehicles provides in real-time valuable traffic information for the roads traversed by the moving vehicles. In this way, a set of sparse and time evolving traffic reports is generated for each…

机器学习 · 计算机科学 2023-01-16 Nikolaos Zygouras , Dimitrios Gunopulos

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by grounding generation in external knowledge, yielding relevance responses that are aligned with factual evidence and evolving corpora. Standard RAG pipelines…

机器学习 · 计算机科学 2026-04-07 Xun Sun , Baiheng Xie , Li Huang , Qiang Gao

The challenges of road network segmentation demand an algorithm capable of adapting to the sparse and irregular shapes, as well as the diverse context, which often leads traditional encoding-decoding methods and simple Transformer…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Jie Song , Yue Sun , Ziyun Cai , Liang Xiao , Yawen Huang , Yefeng Zheng

In this paper we propose a convolutional neural network that is designed to upsample a series of sparse range measurements based on the contextual cues gleaned from a high resolution intensity image. Our approach draws inspiration from…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Shreyas S. Shivakumar , Ty Nguyen , Ian D. Miller , Steven W. Chen , Vijay Kumar , Camillo J. Taylor

Fine-grained object detection in challenging visual domains, such as vehicle damage assessment, presents a formidable challenge even for human experts to resolve reliably. While DiffusionDet has advanced the state-of-the-art through…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Abdellah Zakaria Sellam , Ilyes Benaissa , Salah Eddine Bekhouche , Abdenour Hadid , Vito Renó , Cosimo Distante

Robust semantic perception for autonomous vehicles relies on effectively combining multiple sensors with complementary strengths and weaknesses. State-of-the-art sensor fusion approaches to semantic perception often treat sensor data…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tim Broedermannn , Christos Sakaridis , Luigi Piccinelli , Wim Abbeloos , Luc Van Gool

Trajectory prediction in autonomous driving has traditionally been studied from a model-centric perspective. However, existing datasets exhibit a strong long-tail distribution in scenario density, where common low-density cases dominate and…

机器学习 · 计算机科学 2026-03-19 Ruining Yang , Yi Xu , Yun Fu , Lili Su

Semantic segmentation and change detection are two fundamental challenges in remote sensing, requiring models to capture either spatial semantics or temporal differences from satellite imagery. Existing deep learning models often struggle…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Ali Shibli , Andrea Nascetti , Yifang Ban

Accurate trajectory prediction is fundamental to autonomous driving, as it underpins safe motion planning and collision avoidance in complex environments. However, existing benchmark datasets suffer from a pronounced long-tail distribution…

机器人学 · 计算机科学 2025-10-06 Ruining Yang , Yi Xu , Yixiao Chen , Yun Fu , Lili Su

Deep functional map frameworks are widely employed for 3D shape matching. However, most existing deep functional map methods cannot adaptively capture important frequency information for functional map estimation in specific matching…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Feifan Luo , Qinsong Li , Ling Hu , Haibo Wang , Xinru Liu , Shengjun Liu , Hongyang Chen

With the proliferation of location-tracking technologies, massive volumes of trajectory data are continuously being collected. As a fundamental task in trajectory data mining, trajectory similarity computation plays a critical role in a…

机器学习 · 计算机科学 2025-06-23 Xiao Zhang , Xingyu Zhao , Hong Xia , Yuan Cao , Guiyuan Jiang , Junyu Dong , Yanwei Yu

Depth estimation aims to predict dense depth maps. In autonomous driving scenes, sparsity of annotations makes the task challenging. Supervised models produce concave objects due to insufficient structural information. They overfit to valid…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Jiaqi Li , Yiran Wang , Zihao Huang , Jinghong Zheng , Ke Xian , Zhiguo Cao , Jianming Zhang

As interactive web-based geovisualization becomes increasingly vital across disciplines, there is a growing need for open-source frameworks that support dynamic, multi-attribute spatial analysis and accessible design. This paper introduces…

Dynamic low altitude networks offer significant potential for efficient and reliable data transport via unmanned aerial vehicles (UAVs) relays which usually operate with predetermined trajectories. However, it is challenging to optimize the…

系统与控制 · 电气工程与系统科学 2025-12-23 Bowen Li , Junting Chen

Scene information plays a crucial role in trajectory forecasting systems for autonomous driving by providing semantic clues and constraints on potential future paths of traffic agents. Prevalent trajectory prediction techniques often take…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Yuning Wang , Pu Zhang , Lei Bai , Jianru Xue

To handle the two shortcomings of existing methods, (i)nearly all models rely on high-definition (HD) maps, yet the map information is not always available in real traffic scenes and HD map-building is expensive and time-consuming and (ii)…

人工智能 · 计算机科学 2023-11-14 Junhong Xiang , Jingmin Zhang , Zhixiong Nan

In the field of autonomous driving, online high-definition (HD) map reconstruction is crucial for planning tasks. Recent research has developed several high-performance HD map reconstruction models to meet this necessity. However, the point…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Haotian Hu , Fanyi Wang , Yaonong Wang , Laifeng Hu , Jingwei Xu , Zhiwang Zhang

Efficient RGB-D semantic segmentation has received considerable attention in mobile robots, which plays a vital role in analyzing and recognizing environmental information. According to previous studies, depth information can provide…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Yang Zhang , Chenyun Xiong , Junjie Liu , Xuhui Ye , Guodong Sun

Lane detection is a vital task for vehicles to navigate and localize their position on the road. To ensure reliable driving, lane detection models must have robust generalization performance in various road environments. However, despite…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Daeun Lee , Minhyeok Heo , Jiwon Kim