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3D multi-object tracking in LiDAR point clouds is a key ingredient for self-driving vehicles. Existing methods are predominantly based on the tracking-by-detection pipeline and inevitably require a heuristic matching step for the detection…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Chenxu Luo , Xiaodong Yang , Alan Yuille

3D multi-object tracking (MOT) has witnessed numerous novel benchmarks and approaches in recent years, especially those under the "tracking-by-detection" paradigm. Despite their progress and usefulness, an in-depth analysis of their…

Computer Vision and Pattern Recognition · Computer Science 2021-11-19 Ziqi Pang , Zhichao Li , Naiyan Wang

Multi-object tracking under low-light environments is prevalent in real life. Recent years have seen rapid development in the field of multi-object tracking. However, due to the lack of datasets and the high cost of annotations,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Zijing Zhao , Jianlong Yu , Lin Zhang , Shunli Zhang

Online Multi-Object Tracking (MOT) from videos is a challenging computer vision task which has been extensively studied for decades. Most of the existing MOT algorithms are based on the Tracking-by-Detection (TBD) paradigm combined with…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Zhen He , Jian Li , Daxue Liu , Hangen He , David Barber

In this paper, we propose a novel concept of path consistency to learn robust object matching without using manual object identity supervision. Our key idea is that, to track a object through frames, we can obtain multiple different…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Zijia Lu , Bing Shuai , Yanbei Chen , Zhenlin Xu , Davide Modolo

Semi-supervised Learning (SSL) has received increasing attention in autonomous driving to reduce the enormous burden of 3D annotation. In this paper, we propose UpCycling, a novel SSL framework for 3D object detection with zero additional…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Sunwook Hwang , Youngseok Kim , Seongwon Kim , Saewoong Bahk , Hyung-Sin Kim

SSF3D modified the semi-supervised 3D object detection (SS3DOD) framework, which designed specifically for point cloud data. Leveraging the characteristics of non-coincidence and weak correlation of target objects in point cloud, we adopt a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Songbur Wong

While the pseudo-label method has demonstrated considerable success in semi-supervised object detection tasks, this paper uncovers notable limitations within this approach. Specifically, the pseudo-label method tends to amplify the inherent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Zeming Chen , Wenwei Zhang , Xinjiang Wang , Kai Chen , Zhi Wang

LiDAR-based 3D single object tracking (3D SOT) is a critical task in robotics and autonomous systems. Existing methods typically follow frame-wise motion estimation or a sequence-based paradigm. However, the two-frame methods are efficient…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 BaiChen Fan , Yuanxi Cui , Jian Li , Qin Wang , Shibo Zhao , Muqing Cao , Sifan Zhou

In this work, we study self-supervised multiple object tracking without using any video-level association labels. We propose to cast the problem of multiple object tracking as learning the frame-wise associations between detections in…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Fatemeh Azimi , Fahim Mannan , Felix Heide

Multi-Object Tracking (MOT) has been a long-standing challenge in video understanding. A natural and intuitive approach is to split this task into two parts: object detection and association. Most mainstream methods employ meticulously…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Ruopeng Gao , Ji Qi , Limin Wang

An unsupervised online object tracking method that exploits both foreground and background correlations is proposed and named UHP-SOT (Unsupervised High-Performance Single Object Tracker) in this work. UHP-SOT consists of three modules: 1)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Zhiruo Zhou , Hongyu Fu , Suya You , Christoph C. Borel-Donohue , C. -C. Jay Kuo

Mixup is a well-known data-dependent augmentation technique for DNNs, consisting of two sub-tasks: mixup generation and classification. However, the recent dominant online training method confines mixup to supervised learning (SL), and the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Siyuan Li , Zicheng Liu , Zedong Wang , Di Wu , Zihan Liu , Stan Z. Li

3D single object tracking (SOT) is a crucial task in fields of mobile robotics and autonomous driving. Traditional motion-based approaches achieve target tracking by estimating the relative movement of target between two consecutive frames.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Shuo Li , Yubo Cui , Zhiheng Li , Zheng Fang

For autonomous vehicles, driving safely is highly dependent on the capability to correctly perceive the environment in 3D space, hence the task of 3D object detection represents a fundamental aspect of perception. While 3D sensors deliver…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Issa Mouawad , Nikolas Brasch , Fabian Manhardt , Federico Tombari , Francesca Odone

3D object trackers usually require training on large amounts of annotated data that is expensive and time-consuming to collect. Instead, we propose leveraging vast unlabeled datasets by self-supervised metric learning of 3D object trackers,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Jianren Wang , Siddharth Ancha , Yi-Ting Chen , David Held

Category-specific models are provenly valuable methods in 3D single object tracking (SOT) regardless of Siamese or motion-centric paradigms. However, such over-specialized model designs incur redundant parameters, thus limiting the broader…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Jiahao Nie , Zhiwei He , Xudong Lv , Xueyi Zhou , Dong-Kyu Chae , Fei Xie

In recent years, semi-supervised learning has been widely explored and shows excellent data efficiency for 2D data. There is an emerging need to improve data efficiency for 3D tasks due to the scarcity of labeled 3D data. This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhimin Chen , Longlong Jing , Yang Liang , YingLi Tian , Bing Li

The unsupervised 3D object detection is to accurately detect objects in unstructured environments with no explicit supervisory signals. This task, given sparse LiDAR point clouds, often results in compromised performance for detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Ruiyang Zhang , Hu Zhang , Hang Yu , Zhedong Zheng

Point clouds provide a compact and efficient representation of 3D shapes. While deep neural networks have achieved impressive results on point cloud learning tasks, they require massive amounts of manually labeled data, which can be costly…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Omid Poursaeed , Tianxing Jiang , Han Qiao , Nayun Xu , Vladimir G. Kim