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Modeling of respiratory motion is important for a more accurate understanding and accounting of its effect on dose to cancers in the thorax and abdomen by radiotherapy. We have developed a model of respiration-induced organ motion in the…

Fluoroscopic X-ray guidance is a cornerstone for percutaneous orthopaedic surgical procedures. However, two-dimensional observations of the three-dimensional anatomy suffer from the effects of projective simplification. Consequently, many…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Sebastian Andress , Alex Johnson , Mathias Unberath , Alexander Winkler , Kevin Yu , Javad Fotouhi , Simon Weidert , Greg Osgood , Nassir Navab

Providing a depth-rich Virtual Reality (VR) experience to users without causing discomfort remains to be a challenge with today's commercially available head-mounted displays (HMDs), which enforce strict measures on stereoscopic camera…

Graphics · Computer Science 2019-11-12 Emre Avan , Ufuk Celikcan , Tolga K. Capin , Hasmet Gurcay

We present a VR-based teleoperation system for multirotor flight that renders a third-person view (TPV) of the vehicle together with a live 3D reconstruction of its surroundings. The system runs on an embedded GPU (Jetson Orin NX) with…

Robotics · Computer Science 2025-09-16 Jack T. Hughes , Garegin Mazmanyan , Mohammad Ghufran , Hossein Rastgoftar

The performance of vision models in medical imaging is often hindered by the prevailing paradigm of fine-tuning backbones pre-trained on out-of-domain natural images. To address this fundamental domain gap, we propose MedDChest, a new…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Mahmoud Soliman , Islam Osman , Mohamed S. Shehata , Rasika Rajapakshe

A major limitation of minimally invasive surgery is the difficulty in accurately locating the internal anatomical structures of the target organ due to the lack of tactile feedback and transparency. Augmented reality (AR) offers a promising…

Robotics · Computer Science 2024-09-19 Jingwei Song , Ray Zhang , Wenwei Zhang , Hao Zhou , Maani Ghaffari

In this paper we develop a surgical system using the da Vinci research kit (dVRK) that is capable of autonomously searching for tumors and dynamically displaying the tumor location using augmented reality. Such a system has the potential to…

Background: Voxel-based analysis (VBA) for population level radiotherapy (RT) outcomes modeling requires topology preserving inter-patient deformable image registration (DIR) that preserves tumors on moving images while avoiding unrealistic…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Jue Jiang , Chloe Min Seo Choi , Maria Thor , Joseph O. Deasy , Harini Veeraraghavan

Virtual locomotion technique (VLT) is a fundamental component of virtual reality (VR) systems that translates physical and controller inputs into virtual translational movements and viewpoint transitions. Poorly designed VLTs can result in…

Human-Computer Interaction · Computer Science 2024-11-15 Armin Mostafavi , Zhiwen Qiu , Tong Bill Xu , Saleh Kalantari

We present a fast and reliable algorithm that gives precise location of breast tumours for a partial mastectomy. Our algorithm is fully implemented in the Surface Evolver, which is a general-purpose simulator of physical experiments. By…

Image and Video Processing · Electrical Eng. & Systems 2019-12-02 Marcelo Zanchetta do Nascimento , Valério Ramos Batista

Prostate cancer is a leading health concern among men, requiring accurate and accessible methods for early detection and risk stratification. Prostate volume (PV) is a key parameter in multivariate risk stratification for early prostate…

Image and Video Processing · Electrical Eng. & Systems 2025-02-13 Tiziano Natali , Liza M. Kurucz , Matteo Fusaglia , Laura S. Mertens , Theo J. M. Ruers , Pim J. van Leeuwen , Behdad Dashtbozorg

This paper introduces an emerging motion planning problem by considering a human that is immersed into the viewing perspective of a remote robot. The challenge is to make the experience both effective (such as delivering a sense of…

Vision Transformer (ViT) has become one of the most popular neural architectures due to its great scalability, computational efficiency, and compelling performance in many vision tasks. However, ViT has shown inferior performance to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Junfei Xiao , Yutong Bai , Alan Yuille , Zongwei Zhou

A reliable evaluation of surgical difficulty can improve the success of the treatment for rectal cancer and the current evaluation method is based on clinical data. However, more data about rectal cancer can be collected with the…

Machine Learning · Computer Science 2025-06-24 Wei Zhang , Zi Wang , Hanwen Zhou , Zhaohong Deng , Weiping Ding , Yuxi Ge , Te Zhang , Yuanpeng Zhang , Kup-Sze Choi , Shitong Wang , Shudong Hu

Cancer is one of the leading health challenges for women, specifically breast and ovarian cancer. Early detection can help improve the survival rate through timely intervention and treatment. Traditional methods of detecting cancer involve…

Image and Video Processing · Electrical Eng. & Systems 2025-09-24 Richa Rawat , Faisal Ahmed

Background - Pulmonary insufficiency is a consequence of transannular patch repair in Tetralogy of Fallot (ToF), leading to late morbidity and mortality. Transcatheter native outflow tract pulmonary valve replacement (TPVR) has become…

Background. Treatment selection for low to intermediate risk patients with severe aortic stenosis between surgical (SAVR) and transcatheter (TAVR) aortic valve replacement remains variable in clinical practice, driven by patient…

The field of augmented reality (AR) has undergone substantial growth, finding diverse applications in the medical industry. This paper delves into various techniques employed in medical surgeries, scrutinizing factors such as cost,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Tandin Dorji , Pakinee Aimmanee , Vich Yindeedej

In lung radiotherapy, the primary objective is to optimize treatment outcomes by minimizing exposure to healthy tissues while delivering the prescribed dose to the target volume. The challenge lies in accounting for lung tissue motion due…

Medical Physics · Physics 2024-11-26 Frederic Madesta , Lukas Wimmert , Tobias Gauer , René Werner , Thilo Sentker

Robotic surgical subtask automation has the potential to reduce the per-patient workload of human surgeons. There are a variety of surgical subtasks that require geometric information of subsurface anatomy, such as the location of tumors,…

Robotics · Computer Science 2023-09-20 Brian Y. Cho , Alan Kuntz