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Endoluminal surgery offers a minimally invasive option for early-stage gastrointestinal and urinary tract cancers but is limited by surgical tools and a steep learning curve. Robotic systems, particularly continuum robots, provide flexible…

Pulmonary optical endomicroscopy (POE) is an imaging technology in real time. It allows to examine pulmonary alveoli at a microscopic level. Acquired in clinical settings, a POE image sequence can have as much as 25% of the sequence being…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Thibaud Brochet , Jerome Lapuyade-Lahorgue , Sebastien Bougleux , Mathieu Salaun , Su Ruan

Precise and fast prediction methods for ischemic areas comprised of dead tissue, core, and salvageable tissue, penumbra, in acute ischemic stroke (AIS) patients are of significant clinical interest. They play an essential role in improving…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Luca Tomasetti , Kjersti Engan , Liv Jorunn Høllesli , Kathinka Dæhli Kurz , Mahdieh Khanmohammadi

We propose a self-supervised model producing 3D anatomical positional embeddings (APE) of individual medical image voxels. APE encodes voxels' anatomical closeness, i.e., voxels of the same organ or nearby organs always have closer…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Mikhail Goncharov , Valentin Samokhin , Eugenia Soboleva , Roman Sokolov , Boris Shirokikh , Mikhail Belyaev , Anvar Kurmukov , Ivan Oseledets

Transcatheter valve repair presents significant challenges due to the mechanical limitations and steep learning curve associated with manual catheter systems. This paper investigates the use of robotics to facilitate transcatheter…

Robotics · Computer Science 2025-10-07 Léa Pistorius , Namrata U. Nayar , Phillip Tran , Sammy Elmariah , Pierre E. Dupont

Since the development of capsule endoscopcy technology, substantial progress were made in converting passive capsule endoscopes to robotic active capsule endoscopes which can be controlled by the doctor. However, robotic capsule endoscopy…

Computer Vision and Pattern Recognition · Computer Science 2018-01-01 Mehmet Turan , Yusuf Yigit Pilavci , Ipek Ganiyusufoglu , Helder Araujo , Ender Konukoglu , Metin Sitti

In this paper we present a new 3D segmentation approach for the vertebrae of the lower thoracic and the lumbar spine in spiral computed tomography datasets. We implemented a multi-step procedure. Its main components are deformable models,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Andre Mastmeyer , Klaus Engelke , Sebastian Meller , Willi Kalender

Introduction: Mechanical thrombectomy can cause vessel deformation and procedure-related injury. Benchtop models are widely used for device testing, but time-resolved, full-field 3D vessel-motion measurements remain limited. Methods: We…

Image and Video Processing · Electrical Eng. & Systems 2026-04-09 Ethan Nguyen , Javier Carmona , Arisa Matsuzaki , Naoki Kaneko , Katsushi Arisaka

Pulmonary vessel segmentation is important for clinical diagnosis of pulmonary diseases, while is also challenging due to the complicated structure. In this work, we present an effective framework and refinement process of pulmonary vessel…

Image and Video Processing · Electrical Eng. & Systems 2021-07-06 Hejie Cui , Xinglong Liu , Ning Huang

Colorectal polyps are important precursors to colon cancer, a major health problem. Colon capsule endoscopy (CCE) is a safe and minimally invasive examination procedure, in which the images of the intestine are obtained via digital cameras…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Alexander V. Mamonov , Isabel N. Figueiredo , Pedro N. Figueiredo , Yen-Hsi Richard Tsai

Penetration depth (PD) is essential for robotics due to its extensive applications in dynamic simulation, motion planning, haptic rendering, etc. The Expanding Polytope Algorithm (EPA) is the de facto standard for this problem, which…

Robotics · Computer Science 2024-09-06 Wei Gao

Chronic Obstructive Pulmonary Disease (COPD) is a leading cause of morbidity and mortality worldwide. Identifying those at highest risk of deterioration would allow more effective distribution of preventative and surveillance resources.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 David Chettrit , Orna Bregman Amitai , Itamar Tamir , Amir Bar , Eldad Elnekave

We present a pulmonary vessel segmentation algorithm, which is fast, fully automatic and robust. It uses a coarse segmentation of the airway tree and a left and right lung labeled volume to restrict a vessel enhancement filter, based on an…

Computer Vision and Pattern Recognition · Computer Science 2013-04-29 M. Helmberger , M. Urschler , M. Pienn , Z. Balint , A. Olschewski , H. Bischof

Ultrasound (US) imaging is widely used for diagnosing and monitoring arterial diseases, mainly due to the advantages of being non-invasive, radiation-free, and real-time. In order to provide additional information to assist clinicians in…

Image and Video Processing · Electrical Eng. & Systems 2023-07-10 Dianye Huang , Yuan Bi , Nassir Navab , Zhongliang Jiang

Prostate specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) imaging provides a tremendously exciting frontier in visualization of prostate cancer (PCa) metastatic lesions. However, accurate…

Medical Physics · Physics 2024-12-05 Amirhosein Toosi , Sara Harsini , François Bénard , Carlos Uribe , Arman Rahmim

Robotic endoscopic systems provide intuitive control and eliminate radiation exposure, making them a promising alternative to conventional methods. However, the lack of axial force measurement from the robot remains a major challenge, as it…

Robotics · Computer Science 2025-05-20 Hansoul Kim , Dong-Ho Lee , Dukyoo Kong , Dong-Soo Kwon , Byungsik Cheon

Accurate segmentation of polyps in colonoscopy images is essential for early-stage diagnosis and management of colorectal cancer. Despite advancements in deep learning for polyp segmentation, enduring limitations persist. The edges of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Mengqi Lei , Xin Wang

Pulmonary nodule detection plays an important role in lung cancer screening with low-dose computed tomography (CT) scans. It remains challenging to build nodule detection deep learning models with good generalization performance due to…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Yuemeng Li , Yong Fan

Flexible endoscopy requires high skills to manipulate both the endoscope and associated instruments. In most robotic flexible endoscopic systems, the endoscope and instruments are controlled separately by two operators, which may result in…

Robotics · Computer Science 2020-07-14 Yanpei Huang , Wenjie Lai , Lin Cao , Jiajun Liu , Xiaoguo Li , Etienne Burdet , Soo Jay Phee

Aspiration thrombectomy is a treatment option for ischemic stroke due to occlusions in large vessels. During the therapy a device is inserted into the vessel and suction is applied. A new one-dimensional model is introduced that is capable…

Numerical Analysis · Mathematics 2024-03-11 Michael Herty , Niklas Kolbe , Michael Neidlin
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