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Real-time visual localization of needles is necessary for various surgical applications, including surgical automation and visual feedback. In this study we investigate localization and autonomous robotic control of needles in the context…

Automating a robotic task, e.g., robotic suturing can be very complex and time-consuming. Learning a task model to autonomously perform the task is invaluable making the technology, robotic surgery, accessible for a wider community. The…

Robotics · Computer Science 2021-03-16 Amir Ghalamzan-E

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…

Robotics · Computer Science 2024-09-02 Neelay Joglekar , Fei Liu , Florian Richter , Michael C. Yip

Autonomous suturing has been a long-sought-after goal for surgical robotics. Outside of staged environments, accurate localization of suture needles is a critical foundation for automating various suture needle manipulation tasks in the…

Robotics · Computer Science 2022-10-24 Zih-Yun Chiu , Florian Richter , Michael C. Yip

Surgical knot tying is one of the most fundamental and important procedures in surgery, and a high-quality knot can significantly benefit the postoperative recovery of the patient. However, a longtime operation may easily cause fatigue to…

Robotics · Computer Science 2020-07-03 Bo Lu , Wei Chen , Yue-Ming Jin , Dandan Zhang , Qi Dou , Henry K. Chu , Pheng-Ann Heng , Yun-Hui Liu

Surgical robots are usually controlled using a priori models based on the robots' geometric parameters, which are calibrated before the surgical procedure. One of the challenges in using robots in real surgical settings is that those…

Robotics · Computer Science 2022-06-03 Masakazu Yoshimura , Murilo Marques Marinho , Kanako Harada , Mamoru Mitsuishi

Robot-assisted surgery is an established clinical practice. The automatic identification of surgical actions is needed for a range of applications, including performance assessment of trainees and surgical process modeling for autonomous…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Daniele Meli , Paolo Fiorini

Regrasping a suture needle is an important yet time-consuming process in suturing. To bring efficiency into regrasping, prior work either designs a task-specific mechanism or guides the gripper toward some specific pick-up point for proper…

Robotics · Computer Science 2021-05-25 Zih-Yun Chiu , Florian Richter , Emily K. Funk , Ryan K. Orosco , Michael C. Yip

Steerable needles are minimally invasive devices that enable novel medical procedures by following curved paths to avoid critical anatomical obstacles. Planning algorithms can be used to find a steerable needle motion plan to a target.…

Suture needle localization is necessary for autonomous suturing. Previous approaches in autonomous suturing often relied on fiducial markers rather than markerless detection schemes for localizing a suture needle due to the inconsistency of…

Robotics · Computer Science 2022-04-06 Zih-Yun Chiu , Albert Z Liao , Florian Richter , Bjorn Johnson , Michael C. Yip

In the fast-paced field of human-computer interaction (HCI) and virtual reality (VR), automatic gesture recognition has become increasingly essential. This is particularly true for the recognition of hand signs, providing an intuitive way…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Christian Schuessler , Wenxuan Zhang , Johanna Bräunig , Marcel Hoffmann , Michael Stelzig , Martin Vossiek

A biopsy is the only diagnostic procedure for accurate histological confirmation of breast cancer. When sonographic placement is not feasible, a Magnetic Resonance Imaging(MRI)-guided biopsy is often preferred. The lack of real-time imaging…

We explore whether surgical manipulation tasks can be learned on the da Vinci robot via imitation learning. However, the da Vinci system presents unique challenges which hinder straight-forward implementation of imitation learning. Notably,…

Robot-assisted laparoscopic prostatectomy (RALP) is a treatment for prostate cancer that involves complete or nerve sparing removal prostate tissue that contains cancer. After removal the bladder neck is successively sutured directly with…

Segmenting and recognizing surgical operation trajectories into distinct, meaningful gestures is a critical preliminary step in surgical workflow analysis for robot-assisted surgery. This step is necessary for facilitating learning from…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Zhili Yuan , Jialin Lin , Dandan Zhang

Hand gesture is one of the most important means of touchless communication between human and machines. There is a great interest for commanding electronic equipment in surgery rooms by hand gesture for reducing the time of surgery and the…

Computer Vision and Pattern Recognition · Computer Science 2017-10-24 Ebrahim Nasr-Esfahani , Nader Karimi , S. M. Reza Soroushmehr , M. Hossein Jafari , M. Amin Khorsandi , Shadrokh Samavi , Kayvan Najarian

Automating the process of manipulating and delivering sutures during robotic surgery is a prominent problem at the frontier of surgical robotics, as automating this task can significantly reduce surgeons' fatigue during tele-operated…

Robotics · Computer Science 2023-03-02 Neelay Joglekar , Fei Liu , Ryan Orosco , Michael Yip

Many keyhole interventions rely on bi-manual handling of surgical instruments, forcing the main surgeon to rely on a second surgeon to act as a camera assistant. In addition to the burden of excessively involving surgical staff, this may…

Enabling robots to learn novel tasks in a data-efficient manner is a long-standing challenge. Common strategies involve carefully leveraging prior experiences, especially transition data collected on related tasks. Although much progress…

Robotics · Computer Science 2025-03-07 Yijie Guo , Bingjie Tang , Iretiayo Akinola , Dieter Fox , Abhishek Gupta , Yashraj Narang

Human-to-Robot handovers are useful for many Human-Robot Interaction scenarios. It is important to recognize when a human intends to initiate handovers, so that the robot does not try to take objects from humans when a handover is not…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Jun Kwan , Chinkye Tan , Akansel Cosgun
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