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As the basic task of point cloud analysis, classification is fundamental but always challenging. To address some unsolved problems of existing methods, we propose a network that captures geometric features of point clouds for better…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

Accurate and efficient point cloud registration is a challenge because the noise and a large number of points impact the correspondence search. This challenge is still a remaining research problem since most of the existing methods rely on…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Xiaoshui Huang , Zongyi Xu , Guofeng Mei , Sheng Li , Jian Zhang , Yifan Zuo , Yucheng Wang

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

Graphics · Computer Science 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang

Due to the sparsity and irregularity of the point cloud data, methods that directly consume points have become popular. Among all point-based models, graph convolutional networks (GCN) lead to notable performance by fully preserving the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Qiangeng Xu , Xudong Sun , Cho-Ying Wu , Panqu Wang , Ulrich Neumann

In this paper, we explore whether a robot can learn to regrasp a diverse set of objects to achieve various desired grasp poses. Regrasping is needed whenever a robot's current grasp pose fails to perform desired manipulation tasks. Endowing…

Robotics · Computer Science 2021-11-18 Shuo Cheng , Kaichun Mo , Lin Shao

Recent advancements in robotic grasping have led to its integration as a core module in many manipulation systems. For instance, language-driven semantic segmentation enables the grasping of any designated object or object part. However,…

Robotics · Computer Science 2025-07-09 Yun Du , Mengao Zhao , Tianwei Lin , Yiwei Jin , Chaodong Huang , Zhizhong Su

3D single object tracking is a key issue for autonomous following robot, where the robot should robustly track and accurately localize the target for efficient following. In this paper, we propose a 3D tracking method called 3D-SiamRPN…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Zheng Fang , Sifan Zhou , Yubo Cui , Sebastian Scherer

Shape completion, the problem of inferring the complete geometry of an object given a partial point cloud, is an important problem in robotics and computer vision. This paper proposes the Graph Attention Shape Completion Network (GASCN), a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Haojie Huang , Ziyi Yang , Robert Platt

In modern agriculture, precise monitoring of plants and fruits is crucial for tasks such as high-throughput phenotyping and automated harvesting. This paper addresses the challenge of reconstructing accurate 3D shapes of fruits from partial…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Zhi Chen , Tianqi Wei , Zecheng Zhao , Jia Syuen Lim , Yadan Luo , Hu Zhang , Xin Yu , Scott Chapman , Zi Huang

Point clouds, being the simple and compact representation of surface geometry of 3D objects, have gained increasing popularity with the evolution of deep learning networks for classification and segmentation tasks. Unlike human, teaching…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Sindhu Hegde , Shankar Gangisetty

Data-driven approach for grasping shows significant advance recently. But these approaches usually require much training data. To increase the efficiency of grasping data collection, this paper presents a novel grasp training system…

Robotics · Computer Science 2019-02-26 Junhao Cai , Hui Cheng , Zhanpeng Zhang , Jingcheng Su

Incomplete point clouds captured by 3D sensors often result in the loss of both geometric and semantic information. Most existing point cloud completion methods are built on rotation-variant frameworks trained with data in canonical poses,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Zhifan Ni , Eckehard Steinbach

In a future with autonomous robots, visual and spatial perception is of utmost importance for robotic systems. Particularly for aerial robotics, there are many applications where utilizing visual perception is necessary for any real-world…

Robotics · Computer Science 2024-03-07 Erik Bauer , Barnabas Gavin Cangan , Robert K. Katzschmann

Early stopping techniques can be utilized to decrease the time cost, however currently the ultimate goal of early stopping techniques is closely related to the accuracy upgrade or the ability of the neural network to generalize better on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Thanasis Zoumpekas , Maria Salamó , Anna Puig

Grasp detection in cluttered scenes is a very challenging task for robots. Generating synthetic grasping data is a popular way to train and test grasp methods, as is Dex-net and GraspNet; yet, these methods generate training grasps on 3D…

Robotics · Computer Science 2023-02-22 Dexin Wang , Faliang Chang , Chunsheng Liu , Rurui Yang , Nanjun Li , Hengqiang Huan

Grasping with anthropomorphic robotic hands involves much more hand-object interactions compared to parallel-jaw grippers. Modeling hand-object interactions is essential to the study of multi-finger hand dextrous manipulation. This work…

Robotics · Computer Science 2022-11-22 Wei Wei , Daheng Li , Peng Wang , Yiming Li , Wanyi Li , Yongkang Luo , Jun Zhong

Our way of grasping objects is challenging for efficient, intelligent and optimal grasp by COBOTs. To streamline the process, here we use deep learning techniques to help robots learn to generate and execute appropriate grasps quickly. We…

Robotics · Computer Science 2021-07-16 Priya Shukla , Nilotpal Pramanik , Deepesh Mehta , G. C. Nandi

Autonomous assembly of objects is an essential task in robotics and 3D computer vision. It has been studied extensively in robotics as a problem of motion planning, actuator control and obstacle avoidance. However, the task of developing a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-02 Abhinav Narayan Harish , Rajendra Nagar , Shanmuganathan Raman

General robot grasping in clutter requires the ability to synthesize grasps that work for previously unseen objects and that are also robust to physical interactions, such as collisions with other objects in the scene. In this work, we…

Robotics · Computer Science 2021-01-05 Michel Breyer , Jen Jen Chung , Lionel Ott , Roland Siegwart , Juan Nieto

While traditional methods relies on depth sensors, the current trend leans towards utilizing cost-effective RGB images, despite their absence of depth cues. This paper introduces an interesting approach to detect grasping pose from a single…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Zhaocong Li