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Slice Sampling has emerged as a powerful Markov Chain Monte Carlo algorithm that adapts to the characteristics of the target distribution with minimal hand-tuning. However, Slice Sampling's performance is highly sensitive to the…

机器学习 · 统计学 2021-10-05 Minas Karamanis , Florian Beutler

Pick-and-place is an important manipulation task in domestic or manufacturing applications. There exist many works focusing on grasp detection with high picking success rate but lacking consideration of downstream manipulation tasks (e.g.,…

机器人学 · 计算机科学 2023-04-05 Jen-Wei Wang , Lingfeng Sun , Xinghao Zhu , Qiyang Qian , Masayoshi Tomizuka

Aerospace production volumes have increased over time and robotic solutions have been progressively introduced in the aeronautic assembly lines to achieve high-quality standards, high production rates, flexibility and cost reduction.…

机器人学 · 计算机科学 2021-07-12 Federica Storiale , Enrico Ferrentino , Pasquale Chiacchio

Deep-sea robot operations demand a high level of safety, efficiency and reliability. As a consequence, measures within the development stage have to be implemented to extensively evaluate and benchmark system components ranging from data…

机器人学 · 计算机科学 2019-06-14 Christian A. Mueller , Tobias Doernbach , Arturo Gomez Chavez , Daniel Koehntopp , Andreas Birk

Physics-based simulation is essential for developing and evaluating robot manipulation policies, particularly in scenarios involving deformable objects and complex contact interactions. However, existing simulators often struggle to balance…

机器人学 · 计算机科学 2024-09-26 Wenxin Du , Chang Yu , Siyu Ma , Ying Jiang , Zeshun Zong , Yin Yang , Joe Masterjohn , Alejandro Castro , Xuchen Han , Chenfanfu Jiang

Minimax optimization has been central in addressing various applications in machine learning, game theory, and control theory. Prior literature has thus far mainly focused on studying such problems in the continuous domain, e.g.,…

最优化与控制 · 数学 2021-11-03 Arman Adibi , Aryan Mokhtari , Hamed Hassani

Haptic interfaces play a critical role in medical teleoperation by enabling surgeons to interact with remote environments through realistic force and motion feedback. Achieving high fidelity in such systems requires balancing the trade-offs…

机器人学 · 计算机科学 2026-03-25 Maryam Seraj , Mohammad Hossein Kamrava , Carlo Tiseo

This work proves that semantic segmentation on minimally invasive surgical instruments can be improved by using training data that has been augmented through domain adaptation. The benefit of this method is twofold. Firstly, it suppresses…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Iñigo Azqueta-Gavaldon , Florian Fröhlich , Klaus Strobl , Rudolph Triebel

This paper explores the possibility of improving bilateral robot manipulation task performance through optimizing the robot morphology and configuration of the system through motion. To optimize the design for different scenarios, we select…

机器人学 · 计算机科学 2020-05-05 Lasitha Wijayarathne , Juan Vallejo , Anthony Barnum , Zachary Cloutier , Frank L. Hammond

Semantic segmentation and activity classification are key components to creating intelligent surgical systems able to understand and assist clinical workflow. In the Operating Room, semantic segmentation is at the core of creating robots…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Idris Hamoud , Alexandros Karargyris , Aidean Sharghi , Omid Mohareri , Nicolas Padoy

Contact-based motion planning for manipulation, object exploration or balancing often requires finding sequences of fixed and sliding contacts and planning the transition from one contact in the environment to another. However, most…

机器人学 · 计算机科学 2021-03-18 Marie-Therese Khoury , Andreas Orthey , Marc Toussaint

Manipulation in confined and cluttered environments remains a significant challenge due to partial observability and complex configuration spaces. Effective manipulation in such environments requires an intelligent exploration strategy to…

机器人学 · 计算机科学 2026-05-20 Qixuan Li , Chen Le , Dongyue Huang , Jincheng Yu , Xinlei Chen

Task-based programming models like OmpSs-2 and OpenMP provide a flexible data-flow execution model to exploit dynamic, irregular and nested parallelism. Providing an efficient implementation that scales well with small granularity tasks…

分布式、并行与集群计算 · 计算机科学 2021-05-18 David Álvarez , Kevin Sala , Marcos Maroñas , Aleix Roca , Vicenç Beltran

The introduction of a teleoperated surgical robotic system designed for minimally invasive procedures enables the emulation of two distinct control modes through a dedicated input device of the surgical console: (1) Inside Control Mode,…

For multi-limbed robots, motion planning with posture and force constraints tends to be a difficult optimization problem due to nonlinearities, which also present extended solve times. We propose a multi-stage optimization framework with…

机器人学 · 计算机科学 2021-09-15 Xuan Lin , Min Sung Ahn , Dennis Hong

The cross-entropy (CE) method is a popular stochastic method for optimization due to its simplicity and effectiveness. Designed for rare-event simulations where the probability of a target event occurring is relatively small, the CE-method…

机器学习 · 计算机科学 2020-09-22 Robert J. Moss

Motion planning for multi-jointed robots is challenging. Due to the inherent complexity of the problem, most existing works decompose motion planning as easier subproblems. However, because of the inconsistent performance metrics, only…

机器人学 · 计算机科学 2018-10-11 Yu Zhao , Hsien-Chung Lin , Masayoshi Tomizuka

This article presents an experiment focused on optimizing the MLOps (Machine Learning Operations) process, a crucial aspect of efficiently implementing machine learning projects. The objective is to identify patterns and insights to enhance…

软件工程 · 计算机科学 2023-07-26 Awadelrahman M. A. Ahmed

One of the major challenges in Minimally Invasive Surgery (MIS) such as laparoscopy is the lack of depth perception. In recent years, laparoscopic scene tracking and surface reconstruction has been a focus of investigation to provide rich…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Long Chen , Wen Tang , Nigel W. John , Tao Ruan Wan , Jian Jun Zhang

Tendon-Driven Continuum Robots (TDCRs) have the potential to be used in minimally invasive surgery and industrial inspection, where the robot must enter narrow and confined spaces. We propose a Model Predictive Control (MPC) approach to…

机器人学 · 计算机科学 2024-09-17 Maximillian Hachen , Chengnan Shentu , Sven Lilge , Jessica Burgner-Kahrs