activity
20232025
most citedFRNet: Frustum-Range Networks for Scalable LiDAR Segmentation

40 citations · 42 across the 7 of their papers we have counts for

collaborators

8 papers

cs.CV2025

U4D: Uncertainty-Aware 4D World Modeling from LiDAR Sequences

Xiang Xu, Alan Liang, Youquan Liu +4

Modeling dynamic 3D environments from LiDAR sequences is central to building reliable 4D worlds for autonomous driving and embodied AI. Existing generative frameworks, however, oft…

cs.CV2025

Beyond One Shot, Beyond One Perspective: Cross-View and Long-Horizon Distillation for Better LiDAR Representations

Xiang Xu, Lingdong Kong, Song Wang +2

LiDAR representation learning aims to extract rich structural and semantic information from large-scale, readily available datasets, reducing reliance on costly human annotations.…

cs.CV2025

Enhanced Spatiotemporal Consistency for Image-to-LiDAR Data Pretraining

Xiang Xu, Lingdong Kong, Hui Shuai +5

LiDAR representation learning has emerged as a promising approach to reducing reliance on costly and labor-intensive human annotations. While existing methods primarily focus on sp…

cs.LG2025

Multi-Modality Collaborative Learning for Sentiment Analysis

Shanmin Wang, Chengguang Liu, Qingshan Liu

Multimodal sentiment analysis (MSA) identifies individuals' sentiment states in videos by integrating visual, audio, and text modalities. Despite progress in existing methods, the…

cs.CV2025

LiMoE: Mixture of LiDAR Representation Learners from Automotive Scenes

Xiang Xu, Lingdong Kong, Hui Shuai +3

LiDAR data pretraining offers a promising approach to leveraging large-scale, readily available datasets for enhanced data utilization. However, existing methods predominantly focu…

cs.CV2024★ 1 cited

4D Contrastive Superflows are Dense 3D Representation Learners

Xiang Xu, Lingdong Kong, Hui Shuai +5

In the realm of autonomous driving, accurate 3D perception is the foundation. However, developing such models relies on extensive human annotations -- a process that is both costly…

cs.CL2024★ 1 cited

Cooperative Sentiment Agents for Multimodal Sentiment Analysis

Shanmin Wang, Hui Shuai, Qingshan Liu +1

In this paper, we propose a new Multimodal Representation Learning (MRL) method for Multimodal Sentiment Analysis (MSA), which facilitates the adaptive interaction between modaliti…

cs.CV2023★ 40 cited

FRNet: Frustum-Range Networks for Scalable LiDAR Segmentation

Xiang Xu, Lingdong Kong, Hui Shuai +1

LiDAR segmentation has become a crucial component of advanced autonomous driving systems. Recent range-view LiDAR segmentation approaches show promise for real-time processing. How…