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Three-dimensional (3D) point cloud analysis has become one of the attractive subjects in realistic imaging and machine visions due to its simplicity, flexibility and powerful capacity of visualization. Actually, the representation of scenes…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Omar Elharrouss , Kawther Hassine , Ayman Zayyan , Zakariyae Chatri , Noor almaadeed , Somaya Al-Maadeed , Khalid Abualsaud

Deep learning within the context of point clouds has gained much research interest in recent years mostly due to the promising results that have been achieved on a number of challenging benchmarks, such as 3D shape recognition and scene…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Ye Zhu , Sven Ewan Shepstone , Pablo Martínez-Nuevo , Miklas Strøm Kristoffersen , Fabien Moutarde , Zhuang Fu

Category-level articulated object pose estimation focuses on the pose estimation of unknown articulated objects within known categories. Despite its significance, this task remains challenging due to the varying shapes and poses of objects,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Yuchen Che , Ryo Furukawa , Asako Kanezaki

Convolutional Neural Networks (CNNs) have emerged as a powerful strategy for most object detection tasks on 2D images. However, their power has not been fully realised for detecting 3D objects in point clouds directly without converting…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Mingtao Feng , Syed Zulqarnain Gilani , Yaonan Wang , Liang Zhang , Ajmal Mian

Global localization in 3D point clouds is a challenging problem of estimating the pose of vehicles without any prior knowledge. In this paper, a solution to this problem is presented by achieving place recognition and metric pose estimation…

Robotics · Computer Science 2022-11-29 Huan Yin , Li Tang , Xiaqing Ding , Yue Wang , Rong Xiong

This paper investigates cooperative estimation of 3D target object motion for visual sensor networks. In particular, we consider the situation where multiple smart vision cameras see a group of target objects. The objective here is to meet…

Systems and Control · Computer Science 2011-07-28 Takeshi Hatanaka , Masayuki Fujita

In the context of future manufacturing lines, removing fixtures will be a fundamental step to increase the flexibility of autonomous systems in assembly and logistic operations. Vision-based 3D pose estimation is a necessity to accurately…

Robotics · Computer Science 2020-10-05 Bjarne Grossmann , Francesco Rovida , Volker Krueger

Accurately estimating the orientation of pedestrians is an important and challenging task for autonomous driving because this information is essential for tracking and predicting pedestrian behavior. This paper presents a flexible Virtual…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Jason Ku , Alex D. Pon , Sean Walsh , Steven L. Waslander

Autonomous robots that interact with their environment require a detailed semantic scene model. For this, volumetric semantic maps are frequently used. The scene understanding can further be improved by including object-level information in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Julian Hau , Simon Bultmann , Sven Behnke

Tracking object poses in 3D is a crucial building block for Augmented Reality applications. We propose an instant motion tracking system that tracks an object's pose in space (represented by its 3D bounding box) in real-time on mobile…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Adel Ahmadyan , Tingbo Hou , Jianing Wei , Liangkai Zhang , Artsiom Ablavatski , Matthias Grundmann

We propose a mechanism to reconstruct part annotated 3D point clouds of objects given just a single input image. We demonstrate that jointly training for both reconstruction and segmentation leads to improved performance in both the tasks,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Priyanka Mandikal , Navaneet K L , R. Venkatesh Babu

LiDARs are usually more accurate than cameras in distance measuring. Hence, there is strong interest to apply LiDARs in autonomous driving. Different existing approaches process the rich 3D point clouds for object detection, tracking and…

Robotics · Computer Science 2020-10-15 You Li , Clément Le Bihan , Txomin Pourtau , Thomas Ristorcelli

LiDAR and cameras are complementary sensors for 3D object detection in autonomous driving. However, it is challenging to explore the unnatural interaction between point clouds and images, and the critical factor is how to conduct feature…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Ziying Song , Haiyue Wei , Lin Bai , Lei Yang , Caiyan Jia

3D single object tracking with point clouds is a critical task in 3D computer vision. Previous methods usually input the last two frames and use the predicted box to get the template point cloud in previous frame and the search area point…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Yubo Cui , Zhiheng Li , Zheng Fang

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Point cloud registration is the process of aligning a pair of point sets via searching for a geometric transformation. Unlike classical optimization-based methods, recent learning-based methods leverage the power of deep learning for…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Lingjing Wang , Xiang Li , Yi Fang

In this study, we investigate the problem of tracking objects with unknown shapes using three-dimensional (3D) point cloud data. We propose a Gaussian process-based model to jointly estimate object kinematics, including position,…

Signal Processing · Electrical Eng. & Systems 2021-04-12 Murat Kumru , Emre Özkan

Object classification using LiDAR 3D point cloud data is critical for modern applications such as autonomous driving. However, labeling point cloud data is labor-intensive as it requires human annotators to visualize and inspect the 3D data…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Ziwei Wang , Reza Arablouei , Jiajun Liu , Paulo Borges , Greg Bishop-Hurley , Nicholas Heaney

Drones, or general UAVs, equipped with a single camera have been widely deployed to a broad range of applications, such as aerial photography, fast goods delivery and most importantly, surveillance. Despite the great progress achieved in…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Haotian Zhang , Gaoang Wang , Zhichao Lei , Jenq-Neng Hwang