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Laparoscopic surgery constrains surgeons spatial awareness because procedures are performed through a monocular, two-dimensional (2D) endoscopic view. Conventional training methods using dry-lab models or recorded videos provide limited…

Human-Computer Interaction · Computer Science 2025-11-05 Songyang Liu , Yunpeng Tan , Shuai Li

Estimating the forces acting between instruments and tissue is a challenging problem for robot-assisted minimally-invasive surgery. Recently, numerous vision-based methods have been proposed to replace electro-mechanical approaches.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Nils Gessert , Marcel Bengs , Matthias Schlüter , Alexander Schlaefer

Grasp force estimation can help prevent robots from damaging delicate objects during manipulation and improve learning-based robotic control. Integrating force sensing into deformable grippers negotiates trade-offs in cost, complexity,…

Robotics · Computer Science 2026-05-04 Kaiwen Zuo , Shuyuan Yang , Zonghe Chua

Autonomy in robot-assisted minimally invasive surgery has the potential to reduce surgeon cognitive and task load, thereby increasing procedural efficiency. However, implementing accurate autonomous control can be difficult due to poor…

Robotics · Computer Science 2026-03-18 Shuyuan Yang , Zonghe Chua

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the endoscope pose is a key component, but remains challenging due…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Michel Hayoz , Christopher Hahne , Mathias Gallardo , Daniel Candinas , Thomas Kurmann , Maximilian Allan , Raphael Sznitman

Force estimation using neural networks is a promising approach to enable haptic feedback in minimally invasive surgical robots without end-effector force sensors. Various network architectures have been proposed, but none have been tested…

Robotics · Computer Science 2022-07-08 Zonghe Chua , Allison M. Okamura

Surgical procedures require a high level of technical skill to ensure efficiency and patient safety. Due to the direct effect of surgeon skill on patient outcomes, the development of cost-effective and realistic training methods is…

Purpose: A profound education of novice surgeons is crucial to ensure that surgical interventions are effective and safe. One important aspect is the teaching of technical skills for minimally invasive or robot-assisted procedures. This…

Computer Vision and Pattern Recognition · Computer Science 2019-09-05 Isabel Funke , Sören Torge Mees , Jürgen Weitz , Stefanie Speidel

Haptic feedback to the surgeon during robotic surgery would enable safer and more immersive surgeries but estimating tissue interaction forces at the tips of robotically controlled surgical instruments has proven challenging. Few existing…

Robotics · Computer Science 2024-10-01 Hao Yang , Haoying Zhou , Gregory S. Fischer , Jie Ying Wu

Spine injections are commonly performed in several clinical procedures. The localization of the target vertebral level (i.e. the position of a vertebra in a spine) is typically done by back palpation or under X-ray guidance, yielding either…

Image and Video Processing · Electrical Eng. & Systems 2020-02-27 Maria Tirindelli , Maria Victorova , Javier Esteban , Seong Tae Kim , David Navarro-Alarcon , Yong Ping Zheng , Nassir Navab

Automated real-time prediction of the ergonomic risks of manipulating objects is a key unsolved challenge in developing effective human-robot collaboration systems for logistics and manufacturing applications. We present a foundational…

Real-time prediction of technical errors from cataract surgical videos can be highly beneficial, particularly for telementoring, which involves remote guidance and mentoring through digital platforms. However, the rarity of surgical errors…

Image and Video Processing · Electrical Eng. & Systems 2025-03-31 Maxime Faure , Pierre-Henri Conze , Béatrice Cochener , Anas-Alexis Benyoussef , Mathieu Lamard , Gwenolé Quellec

Recent advances in robot-assisted surgery have resulted in progressively more precise, efficient, and minimally invasive procedures, sparking a new era of robotic surgical intervention. This enables doctors, in collaborative interaction…

Robotics · Computer Science 2024-01-30 Samuel Schmidgall , Axel Krieger , Jason Eshraghian

Conventional video compression approaches use the predictive coding architecture and encode the corresponding motion information and residual information. In this paper, taking advantage of both classical architecture in the conventional…

Image and Video Processing · Electrical Eng. & Systems 2019-04-09 Guo Lu , Wanli Ouyang , Dong Xu , Xiaoyun Zhang , Chunlei Cai , Zhiyong Gao

Video streams are utilised to guide minimally-invasive surgery and diagnostic procedures in a wide range of procedures, and many computer assisted techniques have been developed to automatically analyse them. These approaches can provide…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Rema Daher , Francisco Vasconcelos , Danail Stoyanov

Wearable assistive devices are increasingly becoming softer. Modelling their interface with human tissue is necessary to capture transmission of dynamic assistance. However, their nonlinear and compliant nature makes both physical modeling…

In this work, we explore whether it is possible to learn representations of endoscopic video frames to perform tasks such as identifying surgical tool presence without supervision. We use a maximum mean discrepancy (MMD) variational…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 David Z. Li , Masaru Ishii , Russell H. Taylor , Gregory D. Hager , Ayushi Sinha

Reconstructing the 3D shape of a deformable environment from the information captured by a moving depth camera is highly relevant to surgery. The underlying challenge is the fact that simultaneously estimating camera motion and tissue…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Guido Caccianiga , Julian Nubert , Cesar Cadena , Marco Hutter , Katherine J. Kuchenbecker

Traditional control and task automation have been successfully demonstrated in a variety of structured, controlled environments through the use of highly specialized modeled robotic systems in conjunction with multiple sensors. However, the…

Robotics · Computer Science 2020-02-20 Yang Li , Florian Richter , Jingpei Lu , Emily K. Funk , Ryan K. Orosco , Jianke Zhu , Michael C. Yip

When we humans look at a video of human-object interaction, we can not only infer what is happening but we can even extract actionable information and imitate those interactions. On the other hand, current recognition or geometric…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Kiana Ehsani , Shubham Tulsiani , Saurabh Gupta , Ali Farhadi , Abhinav Gupta