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Point cloud semantic segmentation from projected views, such as range-view (RV) and bird's-eye-view (BEV), has been intensively investigated. Different views capture different information of point clouds and thus are complementary to each…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Haibo Qiu , Baosheng Yu , Dacheng Tao

In this paper, we propose MGNet, a simple and effective multiplex graph convolutional network (GCN) model for multimodal brain network analysis. The proposed method integrates tensor representation into the multiplex GCN model to extract…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Zhaoming Kong , Lichao Sun , Hao Peng , Liang Zhan , Yong Chen , Lifang He

Video affective understanding, which aims to predict the evoked expressions by the video content, is desired for video creation and recommendation. In the recent EEV challenge, a dense affective understanding task is proposed and requires…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Baoming Yan , Lin Wang , Ke Gao , Bo Gao , Xiao Liu , Chao Ban , Jiang Yang , Xiaobo Li

While bird's-eye-view (BEV) perception models can be useful for building high-definition maps (HD-Maps) with less human labor, their results are often unreliable and demonstrate noticeable inconsistencies in the predicted HD-Maps from…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Ziyang Xie , Ziqi Pang , Yu-Xiong Wang

Developing effective path representations has become increasingly essential across various fields within intelligent transportation. Although pre-trained path representation learning models have shown improved performance, they…

Machine Learning · Computer Science 2025-01-03 Ronghui Xu , Hanyin Cheng , Chenjuan Guo , Hongfan Gao , Jilin Hu , Sean Bin Yang , Bin Yang

Vector maps are essential in autonomous driving for tasks like localization and planning, yet their creation and maintenance are notably costly. While recent advances in online vector map generation for autonomous vehicles are promising,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Narayanan Elavathur Ranganatha , Hengyuan Zhang , Shashank Venkatramani , Jing-Yan Liao , Henrik I. Christensen

High-Definition (HD) maps play a crucial role in autonomous vehicle navigation, complementing onboard perception sensors for improved accuracy and safety. Traditional HD map generation relies on dedicated mapping vehicles, which are costly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Gamal Elghazaly , Raphael Frank

Understanding the implication of point cloud is still challenging to achieve the goal of classification or segmentation due to the irregular and sparse structure of point cloud. As we have known, PointNet architecture as a ground-breaking…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Xi-An Li , Lei Zhang , Li-Yan Wang , Jian Lu

Infrared and visible image fusion has gradually proved to be a vital fork in the field of multi-modality imaging technologies. In recent developments, researchers not only focus on the quality of fused images but also evaluate their…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Jiawei Li , Jiansheng Chen , Jinyuan Liu , Huimin Ma

Exploiting fine-grained semantic features on point cloud is still challenging due to its irregular and sparse structure in a non-Euclidean space. Among existing studies, PointNet provides an efficient and promising approach to learn shape…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Most existing 3D referring expression segmentation (3DRES) methods rely on dense, high-quality point clouds, while real-world agents such as robots and mobile phones operate with only a few sparse RGB views and strict latency constraints.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Changli Wu , Haodong Wang , Jiayi Ji , Yutian Yao , Chunsai Du , Jihua Kang , Yanwei Fu , Liujuan Cao

Semantic segmentation of 3D point cloud is an essential task for autonomous driving environment perception. The pipeline of most pointwise point cloud semantic segmentation methods includes points sampling, neighbor searching, feature…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Chuanyu Luo , Xiaohan Li , Nuo Cheng , Han Li , Shengguang Lei , Pu Li

Representation learning from 3D point clouds is challenging due to their inherent nature of permutation invariance and irregular distribution in space. Existing deep learning methods follow a hierarchical feature extraction paradigm in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Rahul Chakwate , Arulkumar Subramaniam , Anurag Mittal

3D instance segmentation methods typically rely on high-quality point clouds or posed RGB-D scans, requiring complex multi-stage processing pipelines, and are highly sensitive to reconstruction noise. While recent feed-forward transformers…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Jinyuan Qu , Hongyang Li , Lei Zhang

The video-based person re-identification (ReID) aims to identify the given pedestrian video sequence across multiple non-overlapping cameras. To aggregate the temporal and spatial features of the video samples, the graph neural networks…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Honghu Pan , Yongyong Chen , Zhenyu He

Behavior prediction in dynamic, multi-agent systems is an important problem in the context of self-driving cars, due to the complex representations and interactions of road components, including moving agents (e.g. pedestrians and vehicles)…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Jiyang Gao , Chen Sun , Hang Zhao , Yi Shen , Dragomir Anguelov , Congcong Li , Cordelia Schmid

Point cloud segmentation and classification are some of the primary tasks in 3D computer vision with applications ranging from augmented reality to robotics. However, processing point clouds using deep learning-based algorithms is quite…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Aadesh Desai , Saagar Parikh , Seema Kumari , Shanmuganathan Raman

This report introduces the 1st place winning solution for the Autonomous Driving Challenge 2023 - Online HD-map Construction. By delving into the vectorization pipeline, we elaborate an effective architecture, termed as MachMap, which…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Limeng Qiao , Yongchao Zheng , Peng Zhang , Wenjie Ding , Xi Qiu , Xing Wei , Chi Zhang

Constructing HD semantic maps is a central component of autonomous driving. However, traditional pipelines require a vast amount of human efforts and resources in annotating and maintaining the semantics in the map, which limits its…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Qi Li , Yue Wang , Yilun Wang , Hang Zhao

Vectorized high-definition (HD) maps contain detailed information about surrounding road elements, which are crucial for various downstream tasks in modern autonomous vehicles, such as motion planning and vehicle control. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Zhenhua Xu , Kwan-Yee. K. Wong , Hengshuang Zhao