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Place recognition is an important capability for autonomously navigating vehicles operating in complex environments and under changing conditions. It is a key component for tasks such as loop closing in SLAM or global localization. In this…

机器人学 · 计算机科学 2023-04-21 Junyi Ma , Jun Zhang , Jintao Xu , Rui Ai , Weihao Gu , Xieyuanli Chen

This article presents an innovative study in exploring, evaluating, and implementing deep learning architectures for the calibration of multi-modal sensor systems. The focus behind this is to leverage the use of sensor fusion to achieve…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Venkat Karramreddy , Liam Mitchell

Multimodal fusion frameworks for Human Action Recognition (HAR) using depth and inertial sensor data have been proposed over the years. In most of the existing works, fusion is performed at a single level (feature level or decision level),…

机器学习 · 计算机科学 2019-10-28 Zeeshan Ahmad , Naimul Khan

Multi-view action recognition (MVAR) leverages complementary temporal information from different views to improve the learning performance. Obtaining informative view-specific representation plays an essential role in MVAR. Attention has…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Yue Bai , Zhiqiang Tao , Lichen Wang , Sheng Li , Yu Yin , Yun Fu

Parent-Guided Adaptive Reliability (PGAR) is a lightweight behavioural meta-learning framework that adds a supervisory "parent" layer on top of a standard learner to improve stability, calibration, and recovery under disturbances. PGAR…

机器学习 · 计算机科学 2026-01-13 Anshum Rankawat

Rehabilitation aims to help patients with limited mobility regain their physical abilities through targeted movements, exercises, stimulation, and other therapeutic methods. Recent advances in technology have introduced sensor-based systems…

The rapid evolution of Retrieval-Augmented Generation (RAG) toward multimodal, high-stakes enterprise applications has outpaced the development of domain specific evaluation benchmarks. Existing datasets often rely on general-domain corpora…

人工智能 · 计算机科学 2026-01-23 Chandan Kumar Sahu , Premith Kumar Chilukuri , Matthew Hetrich

Weakly-Supervised Group Activity Recognition (WSGAR) aims to understand the activity performed together by a group of individuals with the video-level label and without actor-level labels. We propose Flow-Assisted Motion Learning Network…

计算机视觉与模式识别 · 计算机科学 2024-05-29 Muhammad Adi Nugroho , Sangmin Woo , Sumin Lee , Jinyoung Park , Yooseung Wang , Donguk Kim , Changick Kim

Accurate moving object segmentation is an essential task for autonomous driving. It can provide effective information for many downstream tasks, such as collision avoidance, path planning, and static map construction. How to effectively…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Jiadai Sun , Yuchao Dai , Xianjing Zhang , Jintao Xu , Rui Ai , Weihao Gu , Xieyuanli Chen

Cooperative Multi-Agent Reinforcement Learning (MARL) necessitates seamless collaboration among agents, often represented by an underlying relation graph. Existing methods for learning this graph primarily focus on agent-pair relations,…

机器学习 · 计算机科学 2026-04-13 Wei Duan , Jie Lu , Junyu Xuan

Group Re-identification (G-ReID) faces greater complexity than individual Re-identification (ReID) due to challenges like mutual occlusion, dynamic member interactions, and evolving group structures. Prior graph-based approaches have aimed…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ruiqi Liu , Xingyu Liu , Xiaohao Xu , Yixuan Zhang , Yongxin Ge , Lubin Weng

We present a novel hierarchical model for human activity recognition. In contrast to approaches that successively recognize actions and activities, our approach jointly models actions and activities in a unified framework, and their labels…

机器人学 · 计算机科学 2015-03-09 Ninghang Hu , Gwenn Englebienne , Zhongyu Lou , Ben Kröse

Context-aware Human Activity Recognition (CHAR) is challenging due to the need to recognize the user's current activity from signals that vary significantly with contextual factors such as phone placements and the varied styles with which…

机器学习 · 计算机科学 2024-09-27 Wen Ge , Guanyi Mou , Emmanuel O. Agu , Kyumin Lee

In line with the human capacity to perceive the world by simultaneously processing and integrating high-dimensional inputs from multiple modalities like vision and audio, we propose a novel model, MAiVAR-T (Multimodal Audio-Image to Video…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Muhammad Bilal Shaikh , Douglas Chai , Syed Mohammed Shamsul Islam , Naveed Akhtar

Accurate and robust LiDAR 3D object detection is essential for comprehensive scene understanding in autonomous driving. Despite its importance, LiDAR detection performance is limited by inherent constraints of point cloud data, particularly…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Rui Yu , Runkai Zhao , Cong Nie , Heng Wang , HuaiCheng Yan , Meng Wang

Various health-care applications such as assisted living, fall detection, etc., require modeling of user behavior through Human Activity Recognition (HAR). Such applications demand characterization of insights from multiple…

机器学习 · 计算机科学 2020-12-07 Gautham Krishna Gudur , Satheesh K. Perepu

Reliable LiDAR perception requires robustness across sensors, environments, and adverse weather. However, existing datasets rarely provide physically consistent observations of the same scene under varying sensor configurations and weather…

机器人学 · 计算机科学 2026-04-14 Vivek Anand , Bharat Lohani , Rakesh Mishra , Gaurav Pandey

Learning spatial-temporal relation among multiple actors is crucial for group activity recognition. Different group activities often show the diversified interactions between actors in the video. Hence, it is often difficult to model…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Mingfei Han , David Junhao Zhang , Yali Wang , Rui Yan , Lina Yao , Xiaojun Chang , Yu Qiao

In human activity recognition (HAR), activity labels have typically been encoded in one-hot format, which has a recent shift towards using textual representations to provide contextual knowledge. Here, we argue that HAR should be anchored…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Shuheng Li , Jiayun Zhang , Xiaohan Fu , Xiyuan Zhang , Jingbo Shang , Rajesh K. Gupta

Accurate and robust trajectory prediction of neighboring agents is critical for autonomous vehicles traversing in complex scenes. Most methods proposed in recent years are deep learning-based due to their strength in encoding complex…

机器人学 · 计算机科学 2023-03-27 Yujun Jiao , Mingze Miao , Zhishuai Yin , Chunyuan Lei , Xu Zhu , Linzhen Nie , Bo Tao