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3D object detection is one of the fundamental perception tasks for autonomous vehicles. Fulfilling such a task with a 4D millimeter-wave radar is very attractive since the sensor is able to acquire 3D point clouds similar to Lidar while…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Ruoyu Xu , Zhiyu Xiang , Chenwei Zhang , Hanzhi Zhong , Xijun Zhao , Ruina Dang , Peng Xu , Tianyu Pu , Eryun Liu

Unsupervised domain adaptation (UDA) has been a potent technique to handle the lack of annotations in the target domain, particularly in semantic segmentation task. This study introduces a different UDA scenarios where the target domain…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Fei Pan , Xu Yin , Seokju Lee , Axi Niu , Sungeui Yoon , In So Kweon

In this paper, we propose a self-supervised learningmethod for multi-object pose estimation. 3D object under-standing from 2D image is a challenging task that infers ad-ditional dimension from reduced-dimensional information.In particular,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Hyeonwoo Yu , Jean Oh

The widespread use of multi-sensor systems has increased research in multi-view action recognition. While existing approaches in multi-view setups with fully overlapping sensors benefit from consistent view coverage, partially overlapping…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Trung Thanh Nguyen , Yasutomo Kawanishi , Vijay John , Takahiro Komamizu , Ichiro Ide

This paper presents a robust multi-class multi-object tracking (MCMOT) formulated by a Bayesian filtering framework. Multi-object tracking for unlimited object classes is conducted by combining detection responses and changing point…

Computer Vision and Pattern Recognition · Computer Science 2018-05-30 Byungjae Lee , Enkhbayar Erdenee , Songguo Jin , Phill Kyu Rhee

Multi-modal methods based on camera and LiDAR sensors have garnered significant attention in the field of 3D detection. However, many prevalent works focus on single or partial stage fusion, leading to insufficient feature extraction and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Zhiwei Ning , Zhaojiang Liu , Xuanang Gao , Yifan Zuo , Jie Yang , Yuming Fang , Wei Liu

In 3D action recognition, there exists rich complementary information between skeleton modalities. Nevertheless, how to model and utilize this information remains a challenging problem for self-supervised 3D action representation learning.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Yunyao Mao , Wengang Zhou , Zhenbo Lu , Jiajun Deng , Houqiang Li

Multi-object tracking (MOT) aims at estimating bounding boxes and identities of objects across video frames. Detection boxes serve as the basis of both 2D and 3D MOT. The inevitable changing of detection scores leads to object missing after…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yifu Zhang , Xinggang Wang , Xiaoqing Ye , Wei Zhang , Jincheng Lu , Xiao Tan , Errui Ding , Peize Sun , Jingdong Wang

3D Multi-Object Tracking (MOT) is an important part of the unmanned vehicle perception module. Most methods optimize object detection and data association independently. These methods make the network structure complicated and limit the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Yueling Shen , Guangming Wang , Hesheng Wang

Multimodal 3D object detectors leverage the strengths of both geometry-aware LiDAR point clouds and semantically rich RGB images to enhance detection performance. However, the inherent heterogeneity between these modalities, including…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zhuoqun Su , Huimin Lu , Shuaifeng Jiao , Junhao Xiao , Yaonan Wang , Xieyuanli Chen

3D Multi-Object Tracking (MOT) obtains significant performance improvements with the rapid advancements in 3D object detection, particularly in cost-effective multi-camera setups. However, the prevalent end-to-end training approach for…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Xiaoyu Li , Peidong Li , Lijun Zhao , Dedong Liu , Jinghan Gao , Xian Wu , Yitao Wu , Dixiao Cui

Due to the problem of performance constraints of unsupervised video object detection, its large-scale application is limited. In response to this pain point, we propose another excellent method to solve this problematic point. By…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Chao Hu , Liqiang Zhu

Information retrieval is an ever-evolving and crucial research domain. The substantial demand for high-quality human motion data especially in online acquirement has led to a surge in human motion research works. Prior works have mainly…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Kangning Yin , Shihao Zou , Yuxuan Ge , Zheng Tian

Efficient data utilization is crucial for advancing 3D scene understanding in autonomous driving, where reliance on heavily human-annotated LiDAR point clouds challenges fully supervised methods. Addressing this, our study extends into…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Lingdong Kong , Xiang Xu , Jiawei Ren , Wenwei Zhang , Liang Pan , Kai Chen , Wei Tsang Ooi , Ziwei Liu

Real-world machine learning applications often face simultaneous covariate and semantic shifts, challenging traditional domain generalization and out-of-distribution (OOD) detection methods. We introduce Meta-learned Across Domain…

Machine Learning · Computer Science 2024-11-06 Haoliang Wang , Chen Zhao , Feng Chen

Noise has always been nonnegligible trouble in object detection by creating confusion in model reasoning, thereby reducing the informativeness of the data. It can lead to inaccurate recognition due to the shift in the observed pattern, that…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Xinyu Zhang , Zhiwei Li , Zhenhong Zou , Xin Gao , Yijin Xiong , Dafeng Jin , Jun Li , Huaping Liu

Human decision-making often relies on visual information from multiple perspectives or views. In contrast, machine learning-based object recognition utilizes information from a single image of the object. However, the information conveyed…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Mona Alzahrani , Muhammad Usman , Salma Kammoun , Saeed Anwar , Tarek Helmy

Multi-object tracking (MOT) endeavors to precisely estimate the positions and identities of multiple objects over time. The prevailing approach, tracking-by-detection (TbD), first detects objects and then links detections, resulting in a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Lorenzo Vaquero , Yihong Xu , Xavier Alameda-Pineda , Victor M. Brea , Manuel Mucientes

Multi-modal 3D object detection has received growing attention as the information from different sensors like LiDAR and cameras are complementary. Most fusion methods for 3D detection rely on an accurate alignment and calibration between 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Zhe Liu , Xiaoqing Ye , Zhikang Zou , Xinwei He , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai

Multiple object tracking (MOT) is a significant task in achieving autonomous driving. Traditional works attempt to complete this task, either based on point clouds (PC) collected by LiDAR, or based on images captured from cameras. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Guangming Wang , Chensheng Peng , Jinpeng Zhang , Hesheng Wang