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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

There are two mainstreams for object detection: top-down and bottom-up. The state-of-the-art approaches mostly belong to the first category. In this paper, we demonstrate that the bottom-up approaches are as competitive as the top-down and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Kaiwen Duan , Song Bai , Lingxi Xie , Honggang Qi , Qingming Huang , Qi Tian

Point clouds are essential for object modeling and play a critical role in assisting driving tasks for autonomous vehicles (AVs). However, the significant volume of data generated by AVs creates challenges for storage, bandwidth, and…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xiaoyu Zhang , Ziwei Wang , Hai Dong , Zhifeng Bao , Jiajun Liu

Open-set semi-supervised object detection (OSSOD) task leverages practical open-set unlabeled datasets that comprise both in-distribution (ID) and out-of-distribution (OOD) instances for conducting semi-supervised object detection (SSOD).…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Zerun Wang , Ling Xiao , Liuyu Xiang , Zhaotian Weng , Toshihiko Yamasaki

Point cloud registration is a key task in many computational fields. Previous correspondence matching based methods require the inputs to have distinctive geometric structures to fit a 3D rigid transformation according to point-wise sparse…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Xu , Shuaicheng Liu , Guangfu Wang , Guanghui Liu , Bing Zeng

3D object detection is fundamentally important for various emerging applications, including autonomous driving and robotics. A key requirement for training an accurate 3D object detector is the availability of a large amount of LiDAR-based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Ruiyu Mao , Sarthak Kumar Maharana , Rishabh K Iyer , Yunhui Guo

Siamese tracking has achieved groundbreaking performance in recent years, where the essence is the efficient matching operator cross-correlation and its variants. Besides the remarkable success, it is important to note that the heuristic…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Zhipeng Zhang , Yihao Liu , Xiao Wang , Bing Li , Weiming Hu

In the field of state-of-the-art object detection, the task of object localization is typically accomplished through a dedicated subnet that emphasizes bounding box regression. This subnet traditionally predicts the object's position by…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Peng Zhi , Haoran Zhou , Hang Huang , Rui Zhao , Rui Zhou , Qingguo Zhou

Siamese trackers demonstrated high performance in object tracking due to their balance between accuracy and speed. Unlike classification-based CNNs, deep similarity networks are specifically designed to address the image similarity problem,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-03 Zhenxi Li , Guillaume-Alexandre Bilodeau , Wassim Bouachir

In this paper the research on optimisation of visual object tracking using a Siamese neural network for embedded vision systems is presented. It was assumed that the solution shall operate in real-time, preferably for a high resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Dominika Przewlocka , Mateusz Wasala , Hubert Szolc , Krzysztof Blachut , Tomasz Kryjak

Current 3D single object tracking methods primarily rely on the Siamese matching-based paradigm, which struggles with textureless and incomplete LiDAR point clouds. Conversely, the motion-centric paradigm avoids appearance matching, thus…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Yuxiang Yang , Yingqi Deng , Jing Zhang , Hongjie Gu , Zhekang Dong

Object detection and tracking are vital and fundamental tasks for autonomous driving, aiming at identifying and locating objects from those predefined categories in a scene. 3D point cloud learning has been attracting more and more…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Yang Peng

Towards 3D object tracking in point clouds, a novel point-to-box network termed P2B is proposed in an end-to-end learning manner. Our main idea is to first localize potential target centers in 3D search area embedded with target…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Haozhe Qi , Chen Feng , Zhiguo Cao , Feng Zhao , Yang Xiao

Compared to 2D object bounding-box labeling, it is very difficult for humans to annotate 3D object poses, especially when depth images of scenes are unavailable. This paper investigates whether we can estimate the object poses effectively…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Zongxin Yang , Xin Yu , Yi Yang

We present an improved version of PointRCNN for 3D object detection, in which a multi-branch backbone network is adopted to handle the non-uniform density of point clouds. An uncertainty-based sampling policy is proposed to deal with the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Jie Li , Yu Hu

Visual object tracking is an important task in computer vision, which has many real-world applications, e.g., video surveillance, visual navigation. Visual object tracking also has many challenges, e.g., object occlusion and deformation. To…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Ruize Han , Wei Feng , Qing Guo , Qinghua Hu

Most online multi-object trackers perform object detection stand-alone in a neural net without any input from tracking. In this paper, we present a new online joint detection and tracking model, TraDeS (TRAck to DEtect and Segment),…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Jialian Wu , Jiale Cao , Liangchen Song , Yu Wang , Ming Yang , Junsong Yuan

We present Self-Ensembling Single-Stage object Detector (SE-SSD) for accurate and efficient 3D object detection in outdoor point clouds. Our key focus is on exploiting both soft and hard targets with our formulated constraints to jointly…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Wu Zheng , Weiliang Tang , Li Jiang , Chi-Wing Fu

3D single object tracking (SOT) is an indispensable part of automated driving. Existing approaches rely heavily on large, densely labeled datasets. However, annotating point clouds is both costly and time-consuming. Inspired by the great…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Qiao Wu , Jiaqi Yang , Kun Sun , Chu'ai Zhang , Yanning Zhang , Mathieu Salzmann

Semi-supervised object detection (SSOD), leveraging unlabeled data to boost object detectors, has become a hot topic recently. However, existing SSOD approaches mainly focus on horizontal objects, leaving oriented objects common in aerial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Dingkang Liang , Wei Hua , Chunsheng Shi , Zhikang Zou , Xiaoqing Ye , Xiang Bai
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