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Pose estimation is a widely explored problem, enabling many robotic tasks such as grasping and manipulation. In this paper, we tackle the problem of pose estimation for objects that exhibit rotational symmetry, which are common in man-made…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Enric Corona , Kaustav Kundu , Sanja Fidler

The goal of object pose estimation is to visually determine the pose of a specific object in the RGB-D input. Unfortunately, when faced with new categories, both instance-based and category-based methods are unable to deal with unseen…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Bowen Liu , Wei Liu , Siang Chen , Pengwei Xie , Guijin Wang

3D single object tracking has been a crucial problem for decades with numerous applications such as autonomous driving. Despite its wide-ranging use, this task remains challenging due to the significant appearance variation caused by…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Tian-Xing Xu , Yuan-Chen Guo , Yu-Kun Lai , Song-Hai Zhang

In this paper, we present and study a new instance-level retrieval task: PointCloud-Text Matching (PTM), which aims to identify the exact cross-modal instance that matches a given point-cloud query or text query. PTM has potential…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Yanglin Feng , Yang Qin , Dezhong Peng , Hongyuan Zhu , Xi Peng , Peng Hu

There is a current increase in the development of "4D" Doppler-capable radar and lidar range sensors that produce 3D point clouds where all points also have information about the radial velocity relative to the sensor. 4D radars in…

机器人学 · 计算机科学 2023-10-30 Vladimír Kubelka , Emil Fritz , Martin Magnusson

Multi-point tracking is a challenging task that involves detecting points in the scene and tracking them across a sequence of frames. Computing detection-based measures like the F-measure on a frame-by-frame basis is not sufficient to…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Lalith Sharan , Halvar Kelm , Gabriele Romano , Matthias Karck , Raffaele De Simone , Sandy Engelhardt

There exists no comprehensive metric for describing the complexity of Multi-Object Tracking (MOT) sequences. This lack of metrics decreases explainability, complicates comparison of datasets, and reduces the conversation on tracker…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Malte Pedersen , Joakim Bruslund Haurum , Patrick Dendorfer , Thomas B. Moeslund

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…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Xiaoyu Li , Peidong Li , Lijun Zhao , Dedong Liu , Jinghan Gao , Xian Wu , Yitao Wu , Dixiao Cui

Relative pose estimation is crucial for various computer vision applications, including Robotic and Autonomous Driving. Current methods primarily depend on selecting and matching feature points prone to incorrect matches, leading to poor…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Zherong Zhang , Chunyu Lin , Shujuan Huang , Shangrong Yang , Yao Zhao

Point cloud registration is a fundamental problem in many domains. Practically, the overlap between point clouds to be registered may be relatively small. Most unsupervised methods lack effective initial evaluation of overlap, leading to…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Pengcheng Shi , Jie Zhang , Haozhe Cheng , Junyang Wang , Yiyang Zhou , Chenlin Zhao , Jihua Zhu

We propose a benchmark for 6D pose estimation of a rigid object from a single RGB-D input image. The training data consists of a texture-mapped 3D object model or images of the object in known 6D poses. The benchmark comprises of: i) eight…

Full-reference (FR) point cloud quality assessment (PCQA) has achieved impressive progress in recent years. However, in many cases, obtaining the reference point clouds is difficult, so no-reference (NR) metrics have become a research…

图像与视频处理 · 电气工程与系统科学 2022-07-25 Yipeng Liu , Qi Yang , Yiling Xu , Le Yang

Running numerous experiments in simulation is a necessary step before deploying a control system on a real robot. In this paper we introduce a novel benchmark that is aimed at quantitatively evaluating the quality of vision-based…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Andrey Bokovoy , Kirill Muravyev , Konstantin Yakovlev

The emergence of data-driven approaches for control and planning in robotics have highlighted the need for developing experimental robotic platforms for data collection. However, their implementation is often complex and expensive, in…

机器人学 · 计算机科学 2022-02-02 Quentin Possamaï , Steeven Janny , Guillaume Bono , Madiha Nadri , Laurent Bako , Christian Wolf

The use of infrastructure sensor technology for traffic detection has already been proven several times. However, extrinsic sensor calibration is still a challenge for the operator. While previous approaches are unable to calibrate the…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Laurent Kloeker , Christian Kotulla , Lutz Eckstein

In robotic inspection of aviation parts, achieving accurate pairwise point cloud registration between scanned and model data is essential. However, noise and outliers generated in robotic scanned data can compromise registration accuracy.…

机器人学 · 计算机科学 2024-07-25 Lingjie Su , Wei Xu , Wenlong Li

This paper presents iMatcher, a fully differentiable framework for feature matching in point cloud registration. The proposed method leverages learned features to predict a geometrically consistent confidence matrix, incorporating both…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Karim Slimani , Catherine Achard , Brahim Tamadazte

Objective quality assessment of 3D point clouds is essential for the development of immersive multimedia systems in real-world applications. Despite the success of perceptual quality evaluation for 2D images and videos, blind/no-reference…

多媒体 · 计算机科学 2022-09-01 Wei Zhou , Qi Yang , Qiuping Jiang , Guangtao Zhai , Weisi Lin

Full-reference point cloud objective metrics are currently providing very accurate representations of perceptual quality. These metrics are usually composed of a set of features that are somehow combined, resulting in a final quality value.…

图像与视频处理 · 电气工程与系统科学 2025-04-07 Joao Prazeres , Rafael Rodrigues , Manuela Pereira , Antonio M. G. Pinheiro

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…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Yueling Shen , Guangming Wang , Hesheng Wang