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We propose a neural network-based approach for collision detection with deformable objects. Unlike previous approaches based on bounding volume hierarchies, our neural approach does not require an update of the spatial data structure when…

Graphics · Computer Science 2022-02-07 Ryan S. Zesch , Bethany R. Witemeyer , Ziyan Xiong , David I. W. Levin , Shinjiro Sueda

The ability to interact and understand the environment is a fundamental prerequisite for a wide range of applications from robotics to augmented reality. In particular, predicting how deformable objects will react to applied forces in real…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Zhihua Wang , Stefano Rosa , Bo Yang , Sen Wang , Niki Trigoni , Andrew Markham

Interactive perception enables robots to manipulate the environment and objects to bring them into states that benefit the perception process. Deformable objects pose challenges to this due to significant manipulation difficulty and…

In this paper, we propose a novel approach to 3D deformable object manipulation leveraging a deep neural network called DeformerNet. Controlling the shape of a 3D object requires an effective state representation that can capture the full…

Robotics · Computer Science 2021-07-20 Bao Thach , Alan Kuntz , Tucker Hermans

This paper describes a 2D and 3D simulation engine that quantitatively models the statics, dynamics, and non-linear deformation of heterogeneous soft bodies in a computationally efficient manner. There is a large body of work simulating…

Graphics · Computer Science 2012-12-13 Jonathan Hiller , Hod Lipson

Deformable linear objects (e.g., cables, ropes, and threads) commonly appear in our everyday lives. However, perception of these objects and the study of physical interaction with them is still a growing area. There have already been…

Robotics · Computer Science 2023-04-11 Azarakhsh Keipour , Mohammadreza Mousaei , Maryam Bandari , Stefan Schaal , Sebastian Scherer

We study the problem of learning physical object representations for robot manipulation. Understanding object physics is critical for successful object manipulation, but also challenging because physical object properties can rarely be…

Robotics · Computer Science 2019-06-13 Zhenjia Xu , Jiajun Wu , Andy Zeng , Joshua B. Tenenbaum , Shuran Song

Many methods exist to model and track deformable one-dimensional objects (e.g., cables, ropes, and threads) across a stream of video frames. However, these methods depend on the existence of some initial conditions. To the best of our…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Azarakhsh Keipour , Maryam Bandari , Stefan Schaal

Manipulation of elastoplastic objects like dough often involves topological changes such as splitting and merging. The ability to accurately predict these topological changes that a specific action might incur is critical for planning…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Dominik Bauer , Zhenjia Xu , Shuran Song

Modelling the physical properties of everyday objects is a fundamental prerequisite for autonomous robots. We present a novel generative adversarial network (Defo-Net), able to predict body deformations under external forces from a single…

Robotics · Computer Science 2018-04-18 Zhihua Wang , Stefano Rosa , Linhai Xie , Bo Yang , Sen Wang , Niki Trigoni , Andrew Markham

Manipulating deformable objects is a ubiquitous task in household environments, demanding adequate representation and accurate dynamics prediction due to the objects' infinite degrees of freedom. This work proposes DeformNet, which utilizes…

Robotics · Computer Science 2024-02-13 Chenchang Li , Zihao Ai , Tong Wu , Xiaosa Li , Wenbo Ding , Huazhe Xu

This paper presents a real-time solution for collision detection between objects based on the physics properties. Traditional approaches on collision detection often rely on the geometric relationships that computing the intersections…

Computational Geometry · Computer Science 2016-05-10 Claudio Paglia

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…

Robotics · Computer Science 2024-02-20 Bao Thach , Brian Y. Cho , Shing-Hei Ho , Tucker Hermans , Alan Kuntz

Collocated tactile sensing is a fundamental enabling technology for dexterous manipulation. However, deformable sensors introduce complex dynamics between the robot, grasped object, and environment that must be considered for fine…

Robotics · Computer Science 2022-09-28 Miquel Oller , Mireia Planas , Dmitry Berenson , Nima Fazeli

Manipulating deformable objects arises in daily life and numerous applications. Despite phenomenal advances in industrial robotics, manipulation of deformable objects remains mostly a manual task. This is because of the high number of…

Robotics · Computer Science 2024-01-31 Burak Aksoy , John Wen

In order to analyze the moving and deforming of the objects in image sequence, a novel way is presented to analyze the local changes of object edges between two related images (such as two adjacent frames in a video sequence), which is…

Computer Vision and Pattern Recognition · Computer Science 2016-10-13 Xiaodong Zhuang , N. E. Mastorakis

In this paper, a deformable object is considered for cameras deployment with the aim of visual coverage. The object contour is discretized into sampled points as meshes, and the deformation is represented as continuous trajectories for the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Chang Li , Xi Chen , Li Chai

In this study, the influence of objects is investigated in the scenario of human action recognition with large number of classes. We hypothesize that the objects the humans are interacting will have good say in determining the action being…

Computer Vision and Pattern Recognition · Computer Science 2015-12-25 O. V. Ramana Murthy , Roland Goecke

The imminent impact of immersive technologies in society urges for active research in real-time and interactive physics simulation for virtual worlds to be realistic. In this context, realistic means to be compliant to the laws of physics.…

Graphics · Computer Science 2023-02-10 Quercus Hernández , Alberto Badías , Francisco Chinesta , Elías Cueto

We present a deep learning method for the interactive video object segmentation. Our method is built upon two core operations, interaction and propagation, and each operation is conducted by Convolutional Neural Networks. The two networks…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim
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