activity
20202026
most citedNTU VIRAL: A Visual-Inertial-Ranging-Lidar Dataset, From an Aerial Vehicle Viewpoint

188 citations · 620 across the 44 of their papers we have counts for

collaborators

48 papers

cs.CV2026

Parasitic Co-Denoising: Unlocking 3D Human Motion Generation in a Frozen Video Diffusion Model

Yunjiao Zhou, Junlang Qian, Lihua Xie +1

Despite never being supervised on explicit 3D motion, large-scale text-to-video diffusion models synthesize realistic human motion in their generated videos. We ask whether this im…

cs.CV2026

Rethinking Fixed Temporal Grids: Frequency-Disentangled Motion Generation

Yunjiao Zhou, Junlang Qian, Gen Li +3

Most human motion generation methods encode motion as tokens on a uniform temporal grid, where every token spans the same fixed time window. Human motion, however, is temporally he…

cs.RO2026

mmHRI: Towards Privacy-Preserving Human-Robot Interaction with Millimeter-Wave Radar

Junqiao Fan, Yuxuan Hu, Bofan Lyu +7

Assistive robots increasingly operate in many human-centered environments and perform various human-robot interaction (HRI) tasks, such as object delivery. However, most existing H…

cs.CV2025

M4Human: A Large-Scale Multimodal mmWave Radar Benchmark for Human Mesh Reconstruction

Junqiao Fan, Yunjiao Zhou, Yizhuo Yang +6

Human mesh reconstruction (HMR) provides direct insights into body-environment interaction, which enables various immersive applications. While existing large-scale HMR datasets re…

cs.CV2025

mmPred: Radar-based Human Motion Prediction in the Dark

Junqiao Fan, Haocong Rao, Jiarui Zhang +2

Existing Human Motion Prediction (HMP) methods based on RGB-D cameras are sensitive to lighting conditions and raise privacy concerns, limiting their real-world applications such a…

cs.CV2025

Zero-Shot Open-Vocabulary Human Motion Grounding with Test-Time Training

Yunjiao Zhou, Xinyan Chen, Junlang Qian +2

Understanding complex human activities demands the ability to decompose motion into fine-grained, semantic-aligned sub-actions. This motion grounding process is crucial for behavio…

cs.RO2024★ 15 cited

AV-PedAware: Self-Supervised Audio-Visual Fusion for Dynamic Pedestrian Awareness

Yizhuo Yang, Shenghai Yuan, Muqing Cao +2

In this study, we introduce AV-PedAware, a self-supervised audio-visual fusion system designed to improve dynamic pedestrian awareness for robotics applications. Pedestrian awarene…

cs.CR2024

A Trustworthy AIoT-enabled Localization System via Federated Learning and Blockchain

Junfei Wang, He Huang, Jingze Feng +3

There is a significant demand for indoor localization technology in smart buildings, and the most promising solution in this field is using RF sensors and fingerprinting-based meth…

cs.RO2024★ 4 cited

MCD: Diverse Large-Scale Multi-Campus Dataset for Robot Perception

Thien-Minh Nguyen, Shenghai Yuan, Thien Hoang Nguyen +8

Perception plays a crucial role in various robot applications. However, existing well-annotated datasets are biased towards autonomous driving scenarios, while unlabelled SLAM data…

cs.CV2024

Diffusion Model is a Good Pose Estimator from 3D RF-Vision

Junqiao Fan, Jianfei Yang, Yuecong Xu +1

Human pose estimation (HPE) from Radio Frequency vision (RF-vision) performs human sensing using RF signals that penetrate obstacles without revealing privacy (e.g., facial informa…

cs.CV2024

Interactive Test-Time Adaptation with Reliable Spatial-Temporal Voxels for Multi-Modal Segmentation

Haozhi Cao, Yuecong Xu, Pengyu Yin +4

Multi-modal test-time adaptation (MM-TTA) adapts models to an unlabeled target domain by leveraging the complementary multi-modal inputs in an online manner. While previous MM-TTA…

cs.CV2024

PSS-BA: LiDAR Bundle Adjustment with Progressive Spatial Smoothing

Jianping Li, Thien-Minh Nguyen, Shenghai Yuan +1

Accurate and consistent construction of point clouds from LiDAR scanning data is fundamental for 3D modeling applications. Current solutions, such as multiview point cloud registra…

cs.AI2024★ 2 cited

Graph Generation Powered with LLMs for Boosting Multivariate Time-Series Representation Learning

Yucheng Wang, Min Wu, Ruibing Jin +3

Sourced from multiple sensors and organized chronologically, Multivariate Time-Series (MTS) data involves crucial spatial-temporal dependencies. To capture these dependencies, Grap…

cs.CV2024

T3DNet: Compressing Point Cloud Models for Lightweight 3D Recognition

Zhiyuan Yang, Yunjiao Zhou, Lihua Xie +1

3D point cloud has been widely used in many mobile application scenarios, including autonomous driving and 3D sensing on mobile devices. However, existing 3D point cloud models ten…

cs.CV2024

MaskFi: Unsupervised Learning of WiFi and Vision Representations for Multimodal Human Activity Recognition

Jianfei Yang, Shijie Tang, Yuecong Xu +2

Human activity recognition (HAR) has been playing an increasingly important role in various domains such as healthcare, security monitoring, and metaverse gaming. Though numerous H…

cs.RO2024★ 46 cited

MMAUD: A Comprehensive Multi-Modal Anti-UAV Dataset for Modern Miniature Drone Threats

Shenghai Yuan, Yizhuo Yang, Thien Hoang Nguyen +6

In response to the evolving challenges posed by small unmanned aerial vehicles (UAVs), which possess the potential to transport harmful payloads or independently cause damage, we i…

cs.RO2024★ 23 cited

Eigen Is All You Need: Efficient Lidar-Inertial Continuous-Time Odometry with Internal Association

Thien-Minh Nguyen, Xinhang Xu, Tongxing Jin +4

In this paper, we propose a continuous-time lidar-inertial odometry (CT-LIO) system named SLICT2, which promotes two main insights. One, contrary to conventional wisdom, CT-LIO alg…

cs.LG2023

SEA++: Multi-Graph-based High-Order Sensor Alignment for Multivariate Time-Series Unsupervised Domain Adaptation

Yucheng Wang, Yuecong Xu, Jianfei Yang +4

Unsupervised Domain Adaptation (UDA) methods have been successful in reducing label dependency by minimizing the domain discrepancy between a labeled source domain and an unlabeled…

cs.CV2023★ 6 cited

TENT: Connect Language Models with IoT Sensors for Zero-Shot Activity Recognition

Yunjiao Zhou, Jianfei Yang, Han Zou +1

Recent achievements in language models have showcased their extraordinary capabilities in bridging visual information with semantic language understanding. This leads us to a novel…

cs.CV2023

MoPA: Multi-Modal Prior Aided Domain Adaptation for 3D Semantic Segmentation

Haozhi Cao, Yuecong Xu, Jianfei Yang +3

Multi-modal unsupervised domain adaptation (MM-UDA) for 3D semantic segmentation is a practical solution to embed semantic understanding in autonomous systems without expensive poi…

cs.RO2023

Outram: One-shot Global Localization via Triangulated Scene Graph and Global Outlier Pruning

Pengyu Yin, Haozhi Cao, Thien-Minh Nguyen +4

One-shot LiDAR localization refers to the ability to estimate the robot pose from one single point cloud, which yields significant advantages in initialization and relocalization p…

cs.CV2023★ 1 cited

AdaPose: Towards Cross-Site Device-Free Human Pose Estimation with Commodity WiFi

Yunjiao Zhou, Jianfei Yang, He Huang +1

WiFi-based pose estimation is a technology with great potential for the development of smart homes and metaverse avatar generation. However, current WiFi-based pose estimation meth…

cs.LG2023★ 6 cited

Fully-Connected Spatial-Temporal Graph for Multivariate Time-Series Data

Yucheng Wang, Yuecong Xu, Jianfei Yang +4

Multivariate Time-Series (MTS) data is crucial in various application fields. With its sequential and multi-source (multiple sensors) properties, MTS data inherently exhibits Spati…

cs.LG2023

Graph-Aware Contrasting for Multivariate Time-Series Classification

Yucheng Wang, Yuecong Xu, Jianfei Yang +4

Contrastive learning, as a self-supervised learning paradigm, becomes popular for Multivariate Time-Series (MTS) classification. It ensures the consistency across different views o…