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We seek to extract a temporally consistent 6D pose trajectory of a manipulated object from an Internet instructional video. This is a challenging set-up for current 6D pose estimation methods due to uncontrolled capturing conditions, subtle…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Georgy Ponimatkin , Martin Cífka , Tomáš Souček , Médéric Fourmy , Yann Labbé , Vladimir Petrik , Josef Sivic

We present an apparatus optimized for tracking swimming microorganisms in the size range 10-1000 microns, in three dimensions (3D), far from surfaces, and with negligible background convective fluid motion. CCD cameras attached to two long…

Soft Condensed Matter · Physics 2009-01-13 Knut Drescher , Kyriacos C. Leptos , Raymond E. Goldstein

Can we make virtual characters in a scene interact with their surrounding objects through simple instructions? Is it possible to synthesize such motion plausibly with a diverse set of objects and instructions? Inspired by these questions,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Anindita Ghosh , Rishabh Dabral , Vladislav Golyanik , Christian Theobalt , Philipp Slusallek

Visually impaired people encounter many challenges in their everyday life, especially when it comes to navigating and representing space. The issue of shopping is addressed mostly on the level of navigation and product detection, but…

Human-Computer Interaction · Computer Science 2020-10-12 Lancelot Dupont , Christophe Jouffrais , Simon T. Perrault

Trapping and manipulation of particles using laser beams has become an important tool in diverse fields of research. In recent years, particular interest is given to the problem of conveying optically trapped particles over extended…

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

We introduce MultiPhys, a method designed for recovering multi-person motion from monocular videos. Our focus lies in capturing coherent spatial placement between pairs of individuals across varying degrees of engagement. MultiPhys, being…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Nicolas Ugrinovic , Boxiao Pan , Georgios Pavlakos , Despoina Paschalidou , Bokui Shen , Jordi Sanchez-Riera , Francesc Moreno-Noguer , Leonidas Guibas

Visually impaired persons find it difficult to know about their surroundings while walking on a road. Walking sticks used by them can only give them information about the obstacles in the stick's proximity. Moreover, it is mostly effective…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Shwetang Dubey , Alok Ranjan Sahoo , Pavan Chakraborty

Optical pulling with tractor beams is so far highly dependent on (i) the property of embedding background or the particle itself , (ii) the number of the particles and/or (iii) the manual ramping of beam phase. A necessary theoretical…

Tracking the pose of an object while it is being held and manipulated by a robot hand is difficult for vision-based methods due to significant occlusions. Prior works have explored using contact feedback and particle filters to localize…

Robotics · Computer Science 2020-11-09 Jacky Liang , Ankur Handa , Karl Van Wyk , Viktor Makoviychuk , Oliver Kroemer , Dieter Fox

3D moving object detection is one of the most critical tasks in dynamic scene analysis. In this paper, we propose a novel Drosophila-inspired 3D moving object detection method using Lidar sensors. According to the theory of elementary…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Li Wang , Dawei Zhao , Tao Wu , Hao Fu , Zhiyu Wang , Liang Xiao , Xin Xu , Bin Dai

In this work, we aim to learn dexterous manipulation of deformable objects using multi-fingered hands. Reinforcement learning approaches for dexterous rigid object manipulation would struggle in this setting due to the complexity of physics…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Sizhe Li , Zhiao Huang , Tao Chen , Tao Du , Hao Su , Joshua B. Tenenbaum , Chuang Gan

Manipulation of deformable linear objects (DLOs) in constrained environments is a challenging task. This paper describes a two-layered approach for placing DLOs on a flat surface using a single robot hand. The high-level layer is a novel…

Robotics · Computer Science 2025-03-12 I. Grinberg , A. Levin , E. D. Rimon

Manipulating three-dimensional (3D) deformable objects presents significant challenges for robotic systems due to their infinite-dimensional state space and complex deformable dynamics. This paper proposes a novel model-free approach for…

Robotics · Computer Science 2025-10-17 Ning Han , Gu Gong , Bin Zhang , Yuexuan Xu , Bohan Yang , Yunhui Liu , David Navarro-Alarcon

This paper introduces a novel interaction method for virtual and augmented reality called look-and-twist, which is directly analogous to point-and-click operations using a mouse and desktop. It is based on head rotation alone and is…

Human-Computer Interaction · Computer Science 2024-10-15 Anna Yershova , Elmeri Uotila , Katherine J. Mimnaugh , Nicoletta Prencipe , M. Manivannan , Timo Ojala , Steven M. LaValle

We experimentally realize cavity cooling of all three translational degrees of motion of a levitated nanoparticle in vacuum. The particle is trapped by a cavity-independent optical tweezer and coherently scatters tweezer light into the blue…

Fascinating in art and science, the ability to float is also captivating and relevant in practical applications, such as Penning and ion traps that are fundamental to quantum computing. In this work, we first reproduce the classic water…

When we humans look at a video of human-object interaction, we can not only infer what is happening but we can even extract actionable information and imitate those interactions. On the other hand, current recognition or geometric…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Kiana Ehsani , Shubham Tulsiani , Saurabh Gupta , Ali Farhadi , Abhinav Gupta

This paper presents the technique of flex-and-flip manipulation. It is suitable for grasping thin, flexible linear objects lying on a flat surface. During the manipulation process, the object is first flexed by a robotic gripper whose…

Robotics · Computer Science 2023-04-04 Chunli Jiang , Abdullah Nazir , Ghasem Abbasnejad , Jungwon Seo

3D multi-person motion prediction is a highly complex task, primarily due to the dependencies on both individual past movements and the interactions between agents. Moreover, effectively modeling these interactions often incurs substantial…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yuanhong Zheng , Ruixuan Yu , Jian Sun