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Manipulation planning is the task of computing robot trajectories that move a set of objects to their target configuration while satisfying physically feasibility. In contrast to existing works that assume known object templates, we are…

机器人学 · 计算机科学 2019-09-17 Wei Gao , Russ Tedrake

Point cloud registration is a fundamental technique in 3-D computer vision with applications in graphics, autonomous driving, and robotics. However, registration tasks under challenging conditions, under which noise or perturbations are…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Rui She , Qiyu Kang , Sijie Wang , Wee Peng Tay , Kai Zhao , Yang Song , Tianyu Geng , Yi Xu , Diego Navarro Navarro , Andreas Hartmannsgruber

The world around us is full of soft objects we perceive and deform with dexterous hand movements. For a robotic hand to control soft objects, it has to acquire online state feedback of the deforming object. While RGB-D cameras can collect…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Elham Amin Mansour , Hehui Zheng , Robert K. Katzschmann

Recent investigations on rotation invariance for 3D point clouds have been devoted to devising rotation-invariant feature descriptors or learning canonical spaces where objects are semantically aligned. Examinations of learning frameworks…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Jianhui Yu , Chaoyi Zhang , Weidong Cai

Applications in fields ranging from home care to warehouse fulfillment to surgical assistance require robots to reliably manipulate the shape of 3D deformable objects. Analytic models of elastic, 3D deformable objects require numerous…

机器人学 · 计算机科学 2024-02-20 Bao Thach , Brian Y. Cho , Shing-Hei Ho , Tucker Hermans , Alan Kuntz

In this paper, we presented a new method for deformation control of deformable objects, which utilizes both visual and tactile feedback. At present, manipulation of deformable objects is basically formulated by assuming positional…

机器人学 · 计算机科学 2021-06-01 Yuhao Guo , Xin Jiang , Yunhui Liu

Registration is a fundamental task in medical robotics and is often a crucial step for many downstream tasks such as motion analysis, intra-operative tracking and image segmentation. Popular registration methods such as ANTs and NiftyReg…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Wentao Zhu , Yufang Huang , Daguang Xu , Zhen Qian , Wei Fan , Xiaohui Xie

This paper presents a robust probabilistic point registration method for estimating the rigid transformation (i.e. rotation matrix and translation vector) between two pointcloud dataset. The method improves the robustness of point…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Saman Fahandezh-Saadi , Di Wang , Masayoshi Tomizuka

In general, the problem of non-rigid registration is about matching two different scans of a dynamic object taken at two different points in time. These scans can undergo both rigid motions and non-rigid deformations. Since new parts of the…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Alireza Ahmadi

While much progress has been made on the task of 3D point cloud registration, there still exists no learning-based method able to estimate the 6D pose of an object observed by a 2.5D sensor in a scene. The challenges of this scenario…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Zheng Dang , Fei Wang , Mathieu Salzmann

Shape servoing, a robotic task dedicated to controlling objects to desired goal shapes, is a promising approach to deformable object manipulation. An issue arises, however, with the reliance on the specification of a goal shape. This goal…

机器人学 · 计算机科学 2023-09-27 Bao Thach , Tanner Watts , Shing-Hei Ho , Tucker Hermans , Alan Kuntz

This work focuses on the formation reshaping in an optimized manner in autonomous swarm of drones. Here, the two main problems are: 1) how to break and reshape the initial formation in an optimal manner, and 2) how to do such reformation…

Recently, deep-learning-based approaches have been widely studied for deformable image registration task. However, most efforts directly map the composite image representation to spatial transformation through the convolutional neural…

图像与视频处理 · 电气工程与系统科学 2022-07-08 Jiashun Chen , Donghuan Lu , Yu Zhang , Dong Wei , Munan Ning , Xinyu Shi , Zhe Xu , Yefeng Zheng

As a promising branch of robotics, imitation learning emerges as an important way to transfer human skills to robots, where human demonstrations represented in Cartesian or joint spaces are utilized to estimate task/skill models that can be…

机器人学 · 计算机科学 2023-09-27 Yanlong Huang , Fares J. Abu-Dakka , João Silvério , Darwin G. Caldwell

Accurate modelling of object deformations is crucial for a wide range of robotic manipulation tasks, where interacting with soft or deformable objects is essential. Current methods struggle to generalise to unseen forces or adapt to new…

机器人学 · 计算机科学 2025-05-20 Sean M. V. Collins , Brendan Tidd , Mahsa Baktashmotlagh , Peyman Moghadam

We can use a method called registration to integrate some point clouds that represent the shape of the real world. In this paper, we propose highly accurate and stable registration method. Our method detects keypoints from point clouds and…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Masaki Yoshii , Ikuko Shimizu

Point cloud registration plays a critical role in a multitude of computer vision tasks, such as pose estimation and 3D localization. Recently, a plethora of deep learning methods were formulated that aim to tackle this problem. Most of…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Lisa Tse , Abdoul Aziz Amadou , Axen Georget , Ahmet Tuysuzoglu

Deformable object manipulation is a classical and challenging research area in robotics. Compared with rigid object manipulation, this problem is more complex due to the deformation properties including elastic, plastic, and elastoplastic…

机器人学 · 计算机科学 2024-05-14 Jianhua Shan , Yuhao Sun , Shixin Zhang , Fuchun Sun , Zixi Chen , Zirong Shen , Cesare Stefanini , Yiyong Yang , Shan Luo , Bin Fang

Unsafe surgical care is a critical health concern, often linked to limitations in surgeon experience, skills, and situational awareness. Integrating patient-specific 3D models into the surgical field can enhance visualization, provide…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Alberto Neri , Veronica Penza , Nazim Haouchine , Leonardo S. Mattos

Autonomous robots operating in real-world environments encounter a variety of objects that can be both rigid and articulated in nature. Having knowledge of these specific object properties not only helps in designing appropriate…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Ayush Aggarwal , Rustam Stolkin , Naresh Marturi