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In various surgical procedures, regions of interest (ROIs) such as organs or lesions are often occluded by overlying tissues, requiring surgeons to achieve adequate exposure for precise intervention. However, the irregular geometry,…

机器人学 · 计算机科学 2026-05-19 Jiayi Liu , Kaiqi Wei , Yiwei Wang , Huan Zhao , Han Ding

Localizing oneself during endoscopic procedures can be problematic due to the lack of distinguishable textures and landmarks, as well as difficulties due to the endoscopic device such as a limited field of view and challenging lighting…

计算机视觉与模式识别 · 计算机科学 2025-02-03 Gary Sarwin , Alessandro Carretta , Victor Staartjes , Matteo Zoli , Diego Mazzatenta , Luca Regli , Carlo Serra , Ender Konukoglu

We investigate the potential of machine learning models for the prediction of visual improvement after macular hole surgery from preoperative data (retinal images and clinical features). Collecting our own data for the task, we end up with…

图像与视频处理 · 电气工程与系统科学 2021-11-16 M. Godbout , A. Lachance , F. Antaki , A. Dirani , A. Durand

Achieving precise control of robotic tool paths is often challenged by inherent system misalignments, unmodeled dynamics, and actuation inaccuracies. This work introduces an Iterative Learning Control (ILC) strategy to enable precise…

机器人学 · 计算机科学 2025-11-04 Yasamin Foroutani , Yasamin Mousavi-Motlagh , Aya Barzelay , Tsu-Chin Tsao

Visual inspection is a crucial yet time-consuming task across various industries. Numerous established methods employ machine learning in inspection tasks, necessitating specific training data that includes predefined inspection poses and…

机器人学 · 计算机科学 2023-12-06 O. Tasneem , R. Pieters

Automating suturing during robotically-assisted surgery reduces the burden on the operating surgeon, enabling them to focus on making higher-level decisions rather than fatiguing themselves in the numerous intricacies of a surgical…

机器人学 · 计算机科学 2024-09-02 Neelay Joglekar , Fei Liu , Florian Richter , Michael C. Yip

Autonomous ultrasound (US) acquisition is an important yet challenging task, as it involves interpretation of the highly complex and variable images and their spatial relationships. In this work, we propose a deep reinforcement learning…

机器人学 · 计算机科学 2024-10-28 Keyu Li , Jian Wang , Yangxin Xu , Hao Qin , Dongsheng Liu , Li Liu , Max Q. -H. Meng

The retinal vascular condition is a reliable biomarker of several ophthalmologic and cardiovascular diseases, so automatic vessel segmentation may be crucial to diagnose and monitor them. In this paper, we propose a novel method that…

图像与视频处理 · 电气工程与系统科学 2018-12-21 Américo Oliveira , Sérgio Pereira , Carlos A. Silva

Reconstruction of the soft tissues in robotic surgery from endoscopic stereo videos is important for many applications such as intra-operative navigation and image-guided robotic surgery automation. Previous works on this task mainly rely…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Yuehao Wang , Yonghao Long , Siu Hin Fan , Qi Dou

Hand-eye calibration algorithms are mature and provide accurate transformation estimations for an effective camera-robot link but rely on a sufficiently wide range of calibration data to avoid errors and degenerate configurations. To solve…

机器人学 · 计算机科学 2023-06-06 Krittin Pachtrachai , Francisco Vasconcelos , Danail Stoyanov

From diagnosing neovascular diseases to detecting white matter lesions, accurate tiny vessel segmentation in fundus images is critical. Promising results for accurate vessel segmentation have been known. However, their effectiveness in…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Suraj Mishra , Danny Z. Chen , X. Sharon Hu

Object Goal Navigation (ObjectNav) task is to navigate an agent to an object category in unseen environments without a pre-built map. In this paper, we solve this task by predicting the distance to the target using semantically-related…

机器人学 · 计算机科学 2022-07-14 Minzhao Zhu , Binglei Zhao , Tao Kong

We present a coarse-to-fine approach based semi-autonomous teleoperation system using vision guidance. The system is optimized for long range teleoperation tasks under time-delay network conditions and does not require prior knowledge of…

机器人学 · 计算机科学 2019-03-25 Jun Jin , Laura Petrich , Shida He , Masood Dehghan , Martin Jagersand

Target-driven visual navigation is a challenging problem that requires a robot to find the goal using only visual inputs. Many researchers have demonstrated promising results using deep reinforcement learning (deep RL) on various robotic…

机器人学 · 计算机科学 2021-06-08 Qian Luo , Maks Sorokin , Sehoon Ha

Purpose: Recent developments in robotics and artificial intelligence (AI) have led to significant advances in healthcare technologies enhancing robot-assisted minimally invasive surgery (RAMIS) in some surgical specialties. However, current…

机器人学 · 计算机科学 2021-02-23 Mohammad Fattahi Sani , Raimondo Ascione , Sanja Dogramadzi

We present a novel method for intraoperative patient-to-image registration by learning Expected Appearances. Our method uses preoperative imaging to synthesize patient-specific expected views through a surgical microscope for a predicted…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Nazim Haouchine , Reuben Dorent , Parikshit Juvekar , Erickson Torio , William M. Wells , Tina Kapur , Alexandra J. Golby , Sarah Frisken

Purpose: In surgical navigation, pre-operative organ models are presented to surgeons during the intervention to help them in efficiently finding their target. In the case of soft tissue, these models need to be deformed and adapted to the…

图形学 · 计算机科学 2019-04-02 Micha Pfeiffer , Carina Riediger , Jürgen Weitz , Stefanie Speidel

Surgical automation has the capability to improve the consistency of patient outcomes and broaden access to advanced surgical care in underprivileged communities. Shared autonomy, where the robot automates routine subtasks while the surgeon…

机器人学 · 计算机科学 2024-09-24 Xiao Liang , Chung-Pang Wang , Nikhil Uday Shinde , Fei Liu , Florian Richter , Michael Yip

This paper focuses on a research problem of robotic controlled laser orientation to minimize errant overcutting of healthy tissue during the course of pathological tissue resection. Laser scalpels have been widely used in surgery to remove…

机器人学 · 计算机科学 2022-01-06 Guangshen Ma , Weston Ross , Patrick J. Codd

Automation in surgical robotics has the potential to improve patient safety and surgical efficiency, but it is difficult to achieve due to the need for robust perception algorithms. In particular, 6D pose estimation of surgical instruments…

机器人学 · 计算机科学 2025-01-24 Juan Antonio Barragan , Jintan Zhang , Haoying Zhou , Adnan Munawar , Peter Kazanzides