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相关论文: Constrained Motion Planning for a Robotic Endoscop…

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Robotic-assisted medical systems (RAMS) have gained significant attention for their advantages in alleviating surgeons' fatigue and improving patients' outcomes. These systems comprise a range of human-computer interactions, including…

机器人学 · 计算机科学 2024-10-22 Letian Ai , Yihao Liu , Mehran Armand , Amir Kheradmand , Alejandro Martin-Gomez

Precise instrument segmentation aid surgeons to navigate the body more easily and increase patient safety. While accurate tracking of surgical instruments in real-time plays a crucial role in minimally invasive computer-assisted surgeries,…

图像与视频处理 · 电气工程与系统科学 2021-11-11 Juan Carlos Angeles-Ceron , Gilberto Ochoa-Ruiz , Leonardo Chang , Sharib Ali

The surgical paradigm of Minimally Invasive Surgery (MIS) has been a key driver to the adoption of robotic surgical assistance. Progress in the last three decades has led to a gradual transition from manual laparoscopic surgery with rigid…

机器人学 · 计算机科学 2019-06-13 Andrew L. Orekhov , Colette Abah , Nabil Simaan

Efficient path optimization for drones in search and rescue operations faces challenges, including limited visibility, time constraints, and complex information gathering in urban environments. We present a comprehensive approach to…

Visual-inertial systems rely on precise calibrations of both camera intrinsics and inter-sensor extrinsics, which typically require manually performing complex motions in front of a calibration target. In this work we present a novel…

机器人学 · 计算机科学 2021-02-17 Le Chen , Yunke Ao , Florian Tschopp , Andrei Cramariuc , Michel Breyer , Jen Jen Chung , Roland Siegwart , Cesar Cadena

Precise calibration is the basis for the vision-guided robot system to achieve high-precision operations. Systems with multiple eyes (cameras) and multiple hands (robots) are particularly sensitive to calibration errors, such as…

机器人学 · 计算机科学 2023-05-05 Zishun Zhou , Liping Ma , Xilong Liu , Zhiqiang Cao , Junzhi Yu

In this paper, we present a novel tightly-coupled probabilistic monocular visual-odometric Simultaneous Localization and Mapping algorithm using wheels and a MEMS gyroscope, which can provide accurate, robust and long-term localization for…

机器人学 · 计算机科学 2021-02-24 Meixiang Quan , Songhao Piao , Minglang Tan , Shi-Sheng Huang

The control of small-scale helicopter is a MIMO problem. To use of classical control approach to formally solve a MIMO problem, one needs to come up with multidimensional Root Locus diagram to tune the control parameters. The problem with…

机器人学 · 计算机科学 2008-07-01 A. Budiyono , T. Sudiyanto

We present a robust markerless image based visual servoing method that enables precision robot control without hand-eye and camera calibrations in 1, 3, and 5 degrees-of-freedom. The system uses two cameras for observing the workspace and a…

机器人学 · 计算机科学 2023-04-18 Yifan Yin , Yutai Wang , Yunpu Zhang , Russell H. Taylor , Balazs P. Vagvolgyi

When developing control laws for robotic systems, the principle factor when examining their performance is choosing inputs that allow smooth tracking to a reference input. In the context of robotic manipulation, this involves translating an…

机器人学 · 计算机科学 2026-04-02 Ethan Canzini , Simon Pope , Ashutosh Tiwari

Reconstructing deformable surgical scenes from endoscopic videos is challenging and clinically important. Recent state-of-the-art methods based on implicit neural representations or 3D Gaussian splatting have made notable progress. However,…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Jiwei Shan , Zeyu Cai , Cheng-Tai Hsieh , Yirui Li , Hao Liu , Lijun Han , Hesheng Wang , Shing Shin Cheng

Designing a robotic system that functions effectively within the specific environment of a Magnetic Resonance Imaging (MRI) scanner requires solving numerous technical issues, such as maintaining the robot's precision and stability under…

机器人学 · 计算机科学 2026-01-06 Wenhui Chu , Aobo Jin , Hardik A. Gohel

Knee arthroscopy is a minimally invasive surgical (MIS) procedure which is performed to treat knee-joint ailment. Lack of visual information of the surgical site obtained from miniaturized cameras make this surgical procedure more complex.…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Shahnewaz Ali , Yaqub Jonmohamadi , Yu Takeda , Jonathan Roberts , Ross Crawford , Cameron Brown , Ajay K. Pandey

Robot-assisted Endoscopic Submucosal Dissection (ESD) improves the surgical procedure by providing a more comprehensive view through advanced robotic instruments and bimanual operation, thereby enhancing dissection efficiency and accuracy.…

机器人学 · 计算机科学 2024-12-02 Mengya Xu , Wenjin Mo , Guankun Wang , Huxin Gao , An Wang , Long Bai , Chaoyang Lyu , Xiaoxiao Yang , Zhen Li , Hongliang Ren

Compressive sensing (CS) reconstructs images from sub-Nyquist measurements by solving a sparsity-regularized inverse problem. Traditional CS solvers use iterative optimizers with hand crafted sparsifiers, while early data-driven methods…

An efficient iterative Earth Mover's Distance (iEMD) algorithm for visual tracking is proposed in this paper. The Earth Mover's Distance (EMD) is used as the similarity measure to search for the optimal template candidates in…

图像与视频处理 · 电气工程与系统科学 2018-04-10 Gang Yao , Ashwin Dani

Microsurgery involves the dexterous manipulation of delicate tissue or fragile structures such as small blood vessels, nerves, etc., under a microscope. To address the limitation of imprecise manipulation of human hands, robotic systems…

机器人学 · 计算机科学 2023-11-20 Jialin Lin , Xiaoqing Guo , Wen Fan , Wei Li , Yuanyi Wang , Jiaming Liang , Weiru Liu , Lei Wei , Dandan Zhang

Miniaturized instruments are highly needed for robot assisted medical healthcare and treatment, especially for less invasive surgery as it empowers more flexible access to restricted anatomic intervention. But the robotic design is more…

机器人学 · 计算机科学 2021-07-13 Xin Zhi , Weibang Bai , Eric M. Yeatman

Interstellar objects (ISOs) are likely representatives of primitive materials invaluable in understanding exoplanetary star systems. Due to their poorly constrained orbits with generally high inclinations and relative velocities, however,…

Transcranial magnetic stimulation (TMS) is a noninvasive medical procedure that can modulate brain activity, and it is widely used in neuroscience and neurology research. Compared to manual operators, robots may improve the outcome of TMS…