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Processing 3D pointclouds with Deep Learning methods is not an easy task. A common choice is to do so with Graph Neural Networks, but this framework involves the creation of edges between points, which are explicitly not related between…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Elías Abad-Rocamora , Javier Ruiz-Hidalgo

Knowledge of the 6D pose of an object can benefit in-hand object manipulation. In-hand 6D object pose estimation is challenging because of heavy occlusion produced by the robot's grippers, which can have an adverse effect on methods that…

3D point cloud generation by the deep neural network from a single image has been attracting more and more researchers' attention. However, recently-proposed methods require the objects be captured with relatively clean backgrounds, fixed…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Yan Xia , Yang Zhang , Dingfu Zhou , Xinyu Huang , Cheng Wang , Ruigang Yang

General point clouds have been increasingly investigated for different tasks, and recently Transformer-based networks are proposed for point cloud analysis. However, there are barely related works for medical point clouds, which are…

Image and Video Processing · Electrical Eng. & Systems 2021-12-20 Jianhui Yu , Chaoyi Zhang , Heng Wang , Dingxin Zhang , Yang Song , Tiange Xiang , Dongnan Liu , Weidong Cai

Recent deep networks that directly handle points in a point set, e.g., PointNet, have been state-of-the-art for supervised learning tasks on point clouds such as classification and segmentation. In this work, a novel end-to-end deep…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yaoqing Yang , Chen Feng , Yiru Shen , Dong Tian

Fine-grained grocery object recognition is an important computer vision problem with broad applications in automatic checkout, in-store robotic navigation, and assistive technologies for the visually impaired. Existing datasets on groceries…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Shivanand Venkanna Sheshappanavar , Tejas Anvekar , Shivanand Kundargi , Yufan Wang , Chandra Kambhamettu

Robotic grasping is one of the most fundamental robotic manipulation tasks and has been actively studied. However, how to quickly teach a robot to grasp a novel target object in clutter remains challenging. This paper attempts to tackle the…

Robotics · Computer Science 2021-04-07 Yang Yang , Yuanhao Liu , Hengyue Liang , Xibai Lou , Changhyun Choi

We propose a new 6-DoF grasp pose synthesis approach from 2D/2.5D input based on keypoints. Keypoint-based grasp detector from image input has demonstrated promising results in the previous study, where the additional visual information…

Robotics · Computer Science 2023-05-02 Yiye Chen , Ruinian Xu , Yunzhi Lin , Hongyi Chen , Patricio A. Vela

Current open-vocabulary scene graph generation algorithms highly rely on both 3D scene point cloud data and posed RGB-D images and thus have limited applications in scenarios where RGB-D images or camera poses are not readily available. To…

Robotics · Computer Science 2024-09-17 Yifan Xu , Ziming Luo , Qianwei Wang , Vineet Kamat , Carol Menassa

Robotic grasping of arbitrary objects even in completely known environments still remains a challenging problem. Most previously developed algorithms had focused on fingertip grasp, failing to solve the problem even for fully actuated…

Robotics · Computer Science 2019-07-23 IA Sainul , Sankha Deb , AK Deb

3D point cloud registration is a fundamental task in robotics and computer vision. Recently, many learning-based point cloud registration methods based on correspondences have emerged. However, these methods heavily rely on such…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Lifa Zhu , Dongrui Liu , Changwei Lin , Rui Yan , Francisco Gómez-Fernández , Ninghua Yang , Ziyong Feng

We consider the problem of robotic grasping using depth + RGB information sampling from a real sensor. we design an encoder-decoder neural network to predict grasp policy in real time. This method can fuse the advantage of depth image and…

Robotics · Computer Science 2019-06-03 Song Yaoxian , Cheng Chun , Fei Yuejiao , Li Xiangqing , Yu Changbin

Grasping algorithms have evolved from planar depth grasping to utilizing point cloud information, allowing for application in a wider range of scenarios. However, data-driven grasps based on models trained on basic open-source datasets may…

Robotics · Computer Science 2023-10-31 Xiao Hu , Xiangsheng Chen

Training computers to understand, model, and synthesize human grasping requires a rich dataset containing complex 3D object shapes, detailed contact information, hand pose and shape, and the 3D body motion over time. While "grasping" is…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Omid Taheri , Nima Ghorbani , Michael J. Black , Dimitrios Tzionas

Grasp planning and estimation have been a longstanding research problem in robotics, with two main approaches to find graspable poses on the objects: 1) geometric approach, which relies on 3D models of objects and the gripper to estimate…

Robotics · Computer Science 2025-04-11 Xun Tu , Karthik Desingh

In this work, we tackle the problem of learning universal robotic dexterous grasping from a point cloud observation under a table-top setting. The goal is to grasp and lift up objects in high-quality and diverse ways and generalize across…

The 3D deep learning community has seen significant strides in pointcloud processing over the last few years. However, the datasets on which deep models have been trained have largely remained the same. Most datasets comprise clean,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Saeid Asgari Taghanaki , Jieliang Luo , Ran Zhang , Ye Wang , Pradeep Kumar Jayaraman , Krishna Murthy Jatavallabhula

Point clouds are essential for storage and transmission of 3D content. As they can entail significant volumes of data, point cloud compression is crucial for practical usage. Recently, point cloud geometry compression approaches based on…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Maurice Quach , Aladine Chetouani , Giuseppe Valenzise , Frederic Dufaux

3D landmark detection plays a pivotal role in various applications such as 3D registration, pose estimation, and virtual try-on. While considerable success has been achieved in 2D human landmark detection or pose estimation, there is a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Fan Zhang , Shuyi Mao , Qing Li , Xiaojiang Peng

We present Supermarket-6DoF, a real-world dataset of 1500 grasp attempts across 20 supermarket objects with publicly available 3D models. Unlike most existing grasping datasets that rely on analytical metrics or simulation for grasp…

Robotics · Computer Science 2025-02-25 Jason Toskov , Akansel Cosgun