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We introduce a novel method to design and implement a tunable dynamical tissue phantom for laser speckle-based in-vivo blood flow imaging. This approach relies on Stochastic Differential Equations (SDE) to control a piezoelectric actuator…

Medical Physics · Physics 2024-04-24 Soumyajit Sarkar , K. Murali , Hari M. Varma

Robots are becoming an essential part of many operations including marine exploration or environmental monitoring. However, the underwater environment presents many challenges, including high pressure, limited visibility, and harsh…

Robotics · Computer Science 2024-09-17 Aadi Palnitkar , Rashmi Kapu , Xiaomin Lin , Cheng Liu , Nare Karapetyan , Yiannis Aloimonos

Building generalist robots capable of performing functional grasping in everyday, open-world environments remains a significant challenge due to the vast diversity of objects and tasks. Existing methods are either constrained to narrow…

Robotics · Computer Science 2026-04-10 Chao Tang , Jiacheng Xu , Haofei Lu , Bolin Zou , Wenlong Dong , Hong Zhang , Danica Kragic

In the field of biomedicine magnetic beads are used for drug delivery and to treat hyperthermia. Here we propose to use self-organized bead structures to isolate circulating tumor cells using lab-on-chip technologies. Typically blood flows…

Ewald sphere curvature correction, which extends beyond the projection approximation, stretches the shallow depth of field in cryo-EM reconstructions of thick particles. Here we show that even for previously assumed thin particles,…

Computational Physics · Physics 2024-01-04 Joel Yeo , Benedikt J. Daurer , Dari Kimanius , Deepan Balakrishnan , Tristan Bepler , Yong Zi Tan , N. Duane Loh

[...] With the TelePhysicalOperation interface, the user can teleoperate the different capabilities of a robot (e.g., single/double arm manipulation, wheel/leg locomotion) by applying virtual forces on selected robot body parts. This…

Robotics · Computer Science 2025-05-13 Davide Torielli

This paper presents a 2D/3D Free Surface Lattice Boltzmann Method simulation package called LBfoam for the simulation of foaming processes. The model incorporates the essential physics of foaming phenomena: gas diffusion into nucleated…

Computational Physics · Physics 2020-11-17 Mohammadmehdi Ataei , Vahid Shaayegan , Franco Costa , Sejin Han , Chul B. Park , Markus Bussmann

Automation holds the potential to assist surgeons in robotic interventions, shifting their mental work load from visuomotor control to high level decision making. Reinforcement learning has shown promising results in learning complex…

-This article presents clinical results from the use of MONIMAD, a reactive robotized interface for lower limb Rehabilitation of patients suffering from cerebellar disease. The first problem to be addressed is the postural analysis of…

Robotics · Computer Science 2015-07-03 Ludovic Saint-Bauzel , Viviane Pasqui , Isabelle Monteil

This paper presents an approach for understanding the soft tissue behavior in surface contact with a probe scanning the tissue. The application domain is confocal microlaparoscopy, mostly used for imaging the outer surface of the organs in…

Robotics · Computer Science 2018-04-16 M. Erden , B. Rosa , J. Szewczyk , G. Morel

The work presented in this paper is related to the use of a haptic device in an environment of robotic simulation. Such device introduces a new approach to feel and to understand the boundaries of the workspace of mechanisms as well as its…

Robotics · Computer Science 2007-05-23 Damien Chablat , Fouad Bennis

We introduce CyberDemo, a novel approach to robotic imitation learning that leverages simulated human demonstrations for real-world tasks. By incorporating extensive data augmentation in a simulated environment, CyberDemo outperforms…

Robotics · Computer Science 2024-03-05 Jun Wang , Yuzhe Qin , Kaiming Kuang , Yigit Korkmaz , Akhilan Gurumoorthy , Hao Su , Xiaolong Wang

Soft actuators have drawn significant attention from researchers with an inherently compliant design to address the safety issues in physical human-robot interactions. However, they are also vulnerable and pose new challenges in the design,…

Robotics · Computer Science 2020-03-03 Yaohui Chen , Sing Le , Qiao Chu Tan , Oscar Lau , Chaoyang Song

An automatic evidential segmentation method based on Dempster-Shafer theory and deep learning is proposed to segment lymphomas from three-dimensional Positron Emission Tomography (PET) and Computed Tomography (CT) images. The architecture…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Ling Huang , Su Ruan , Pierre Decazes , Thierry Denoeux

OBJECTIVE: This study evaluated the accuracy in localisation and distribution of real-time three-dimensional (4-D) ultrasound-guided biopsies on a prostate phantom. METHODS: A prostate phantom was created. A three-dimensional real-time…

High-resolution ghost image and ghost diffraction experiments are performed by using a single source of thermal-like speckle light divided by a beam splitter. Passing from the image to the diffraction result solely relies on changing the…

Ultrasound (US) is the most commonly used liver imaging modality worldwide. Due to its low cost, it is increasingly used in the follow-up of cancer patients with metastases localized in the liver. In this contribution, we present the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-19 Jan Egger , Dieter Schmalstieg , Xiaojun Chen , Wolfram G. Zoller , Alexander Hann

Long ranged electrostatic interactions are time consuming to calculate in molecular dynamics and Monte-Carlo simulations. We introduce an algorithmic framework for simulating charged particles which modifies the dynamics so as to allow…

Statistical Mechanics · Physics 2009-09-07 A. C. Maggs , V. Rossetto

The subject of simulating internal organs is a valuable and important topic of research to multiple fields from medical analysis to education and training. This paper presents a solution that utilizes a graphical technique in combination…

Graphics · Computer Science 2024-01-23 Benjamnin Kenwright , Kanida Sinmai

Pulmonary hypertension (PH) can lead to significant vascular remodeling, resulting in altered pulmonary blood flow. Estimating the patient-specific contributions of each remodeling event is necessary to optimize and individualize clinical…

Biological Physics · Physics 2025-07-03 Sunder Neelakantan , Tanmay Mukherjee , Emilio A. Mendiola , Kyle Myers , Reza Avazmohammadi