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Facility location problems on graphs are ubiquitous in real world and hold significant importance, yet their resolution is often impeded by NP-hardness. Recently, machine learning methods have been proposed to tackle such classical…

机器学习 · 计算机科学 2023-12-27 Wenxuan Guo , Yanyan Xu , Yaohui Jin

Over the past decade, most methods in visual place recognition (VPR) have used neural networks to produce feature representations. These networks typically produce a global representation of a place image using only this image itself and…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Feng Lu , Xiangyuan Lan , Lijun Zhang , Dongmei Jiang , Yaowei Wang , Chun Yuan

Visual place recognition is a key to unlocking spatial navigation for animals, humans and robots. While state-of-the-art approaches are trained in a supervised manner and therefore hardly capture the information needed for generalizing to…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Mohamed Adel Musallam , Vincent Gaudillière , Djamila Aouada

High-definition (HD) semantic map generation of the environment is an essential component of autonomous driving. Existing methods have achieved good performance in this task by fusing different sensor modalities, such as LiDAR and camera.…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Hao Dong , Weihao Gu , Xianjing Zhang , Jintao Xu , Rui Ai , Huimin Lu , Juho Kannala , Xieyuanli Chen

Information inside visual and LiDAR data is well complementary derived from the fine-grained texture of images and massive geometric information in point clouds. However, it remains challenging to explore effective visual-LiDAR fusion,…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Jiuming Liu , Dong Zhuo , Zhiheng Feng , Siting Zhu , Chensheng Peng , Zhe Liu , Hesheng Wang

Video surveillance image analysis and processing is a challenging field in computer vision, with one of its most difficult tasks being Person Re-Identification (PRe-ID). PRe-ID aims to identify and track target individuals who have already…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Ammar Chouchane , Mohcene Bessaoudi , Hamza Kheddar , Abdelmalik Ouamane , Tiago Vieira , Mahmoud Hassaballah

Efficient, accurate, and flexible relative localization is crucial in air-ground collaborative tasks. However, current approaches for robot relative localization are primarily realized in the form of distributed multi-robot SLAM systems…

Capsule Networks (CapsNets) show exceptional graph representation capacity via dynamic routing and vectorized hierarchical representations, but they model the complex geometries of real\-world graphs poorly by fixed\-curvature space due to…

机器学习 · 计算机科学 2025-12-10 Ye Qin , Jingchao Wang , Yang Shi , Haiying Huang , Junxu Li , Weijian Liu , Tinghui Chen , Jinghui Qin

Nonlinear manifolds are pervasive in deep visual features, where Euclidean distances can misrepresent true similarity. This mismatch is particularly detrimental to prototype-based interpretable fine-grained recognition, where even subtle…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Junhao Jia , Yunyou Liu , Yifei Sun , Huangwei Chen , Feiwei Qin , Changmiao Wang , Yong Peng

An accurate and robust large-scale localization system is an integral component for active areas of research such as autonomous vehicles and augmented reality. To this end, many learning algorithms have been proposed that predict 6DOF…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Ali Raza , Lazar Lolic , Shahmir Akhter , Alfonso Dela Cruz , Michael Liut

This paper presents a unified framework for robust three-dimensional (3-D) source localization using a network of sensors equipped with one-dimensional (1-D) linear arrays. While such arrays offer practical advantages in terms of cost and…

信号处理 · 电气工程与系统科学 2025-11-12 Ehsan Alamdari , Rouhollah Amiri

The knowledge that data lies close to a particular submanifold of the ambient Euclidean space may be useful in a number of ways. For instance, one may want to automatically mark any point far away from the submanifold as an outlier or to…

Unstructured environments are difficult for autonomous driving. This is because various unknown obstacles are lied in drivable space without lanes, and its width and curvature change widely. In such complex environments, searching for a…

机器人学 · 计算机科学 2022-02-22 Joonwoo Ahn , Minsoo Kim , Jaeheung Park

Precise estimation of global orientation and location is critical to ensure a compelling outdoor Augmented Reality (AR) experience. We address the problem of geo-pose estimation by cross-view matching of query ground images to a…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Niluthpol Chowdhury Mithun , Kshitij Minhas , Han-Pang Chiu , Taragay Oskiper , Mikhail Sizintsev , Supun Samarasekera , Rakesh Kumar

Robust visual place recognition (VPR) requires scene representations that are invariant to various environmental challenges such as seasonal changes and variations due to ambient lighting conditions during day and night. Moreover, a…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Unnat Jain , Vinay P. Namboodiri , Gaurav Pandey

In this paper, we propose a new image-based visual place recognition (VPR) framework by exploiting the structural cues in bird's-eye view (BEV) from a single monocular camera. The motivation arises from two key observations about place…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Fudong Ge , Yiwei Zhang , Shuhan Shen , Yue Wang , Weiming Hu , Jin Gao

Reliable terrain perception is a critical prerequisite for the deployment of humanoid robots in unstructured, human-centric environments. While traditional systems often rely on manually engineered, single-sensor pipelines, this paper…

机器人学 · 计算机科学 2026-02-06 Dennis Bank , Joost Cordes , Thomas Seel , Simon F. G. Ehlers

Deep learning has been used to demonstrate end-to-end neural network learning for autonomous vehicle control from raw sensory input. While LiDAR sensors provide reliably accurate information, existing end-to-end driving solutions are mainly…

机器人学 · 计算机科学 2021-05-21 Zhijian Liu , Alexander Amini , Sibo Zhu , Sertac Karaman , Song Han , Daniela Rus

Recent studies show that the visual place recognition (VPR) method using pre-trained visual foundation models can achieve promising performance. In our previous work, we propose a novel method to realize seamless adaptation of foundation…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Feng Lu , Tong Jin , Xiangyuan Lan , Lijun Zhang , Yunpeng Liu , Yaowei Wang , Chun Yuan

We address the problem of unsupervised semantic segmentation of outdoor LiDAR point clouds in diverse traffic scenarios. The key idea is to leverage the spatiotemporal nature of a dynamic point cloud sequence and introduce drastically…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Xiao Li , Pan He , Aotian Wu , Sanjay Ranka , Anand Rangarajan