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This paper presents a novel method for estimating the orientation and the position of acetabular hip implants in total hip arthroplasty using full anterior-posterior hip fluoroscopy images. Our method accounts for distortions induced in the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yehyun Suh , J. Ryan Martin , Daniel Moyer

This paper presents the development and experimental evaluation of a surgical robotic system for total hip arthroplasty (THA). Although existing robotic systems used in joint replacement surgery have achieved some progresses, the robot arm…

Robotics · Computer Science 2022-08-23 Weibo Ning , Jiaqi Zhu , Hongjiang Chen , Weijun Zhou , Shuxing He , Yecheng Tan , Qianrui Xu , Ye Yuan , Jun Hu , Zhun Fan

Accurate and reliable selection of the appropriate acetabular cup size is crucial for restoring joint biomechanics in total hip arthroplasty (THA). This paper proposes a novel framework that integrates square-root velocity function…

Suboptimal interaction with patient data and challenges in mastering 3D anatomy based on ill-posed 2D interventional images are essential concerns in image-guided therapies. Augmented reality (AR) has been introduced in the operating rooms…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Javad Fotouhi , Arian Mehrfard , Tianyu Song , Alex Johnson , Greg Osgood , Mathias Unberath , Mehran Armand , Nassir Navab

Preoperative templating in Total Hip Replacement (THR) is a method to estimate the optimal size and position of the implant. Today, observational (manual) size recognition techniques are still used to find a suitable implant for the…

Computer Vision and Pattern Recognition · Computer Science 2011-05-03 Azrulhizam Shapi'i , Riza Sulaiman , Mohammad Khatim Hasan , Abdul Yazid Mohd Kassim

Arthroscopy is a minimally invasive surgical procedure used to diagnose and treat joint problems. The clinical workflow of arthroscopy typically involves inserting an arthroscope into the joint through a small incision, during which…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Hongchao Shu , Mingxu Liu , Lalithkumar Seenivasan , Suxi Gu , Ping-Cheng Ku , Jonathan Knopf , Russell Taylor , Mathias Unberath

Augmented reality (AR) has the potential to improve the immersion and efficiency of computer-assisted orthopaedic surgery (CAOS) by allowing surgeons to maintain focus on the operating site rather than external displays in the operating…

Robotics · Computer Science 2024-05-06 Hisham Iqbal , Ferdinando Rodriguez y Baena

Interventional C-arm imaging is crucial to percutaneous orthopedic procedures as it enables the surgeon to monitor the progress of surgery on the anatomy level. Minimally invasive interventions require repeated acquisition of X-ray images…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Mathias Unberath , Javad Fotouhi , Jonas Hajek , Andreas Maier , Greg Osgood , Russell Taylor , Mehran Armand , Nassir Navab

For those experiencing severe-to-profound sensorineural hearing loss, the cochlear implant (CI) is the preferred treatment. Augmented reality (AR) aided surgery can potentially improve CI procedures and hearing outcomes. Typically, AR…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Yike Zhang , Eduardo Davalos , Dingjie Su , Ange Lou , Jack H. Noble

Accurate needle placement in spine interventions is critical for effective pain management, yet it depends on reliable identification of anatomical landmarks and careful trajectory planning. Conventional imaging guidance often relies both…

Human-Computer Interaction · Computer Science 2026-03-24 Tianyu Song , Felix Pabst , Feng Li , Yordanka Velikova , Miruna-Alexandra Gafencu , Yuan Bi , Ulrich Eck , Nassir Navab

In percutaneous orthopedic interventions the surgeon attempts to reduce and fixate fractures in bony structures. The complexity of these interventions arises when the surgeon performs the challenging task of navigating surgical tools…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Jonas Hajek , Mathias Unberath , Javad Fotouhi , Bastian Bier , Sing Chun Lee , Greg Osgood , Andreas Maier , Mehran Armand , Nassir Navab

Robot-assisted minimally invasive surgery has shown to improve patient outcomes, as well as reduce complications and recovery time for several clinical applications. While increasingly configurable robotic arms can maximize reach and avoid…

Purpose: Precise port placement is a critical step in robot-assisted surgery, where port configuration influences both visual access to the operative field and instrument maneuverability. To bridge the gap between preoperative planning and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Zheng Han , Zixin Yang , Yonghao Long , Lin Zhang , Peter Kazanzides , Qi Dou

Robotic systems are transforming image-guided interventions by enhancing accuracy and minimizing radiation exposure. A significant challenge in robotic assistance lies in surgical path planning, which often relies on the registration of…

Radiofrequency (RF) catheter ablation has transformed treatment for tachyarrhythmias and has become first-line therapy for some tachycardias. The precise localization of the arrhythmogenic site and the positioning of the RF catheter over…

Computer Vision and Pattern Recognition · Computer Science 2009-10-13 Pascal Fallavollita

Designing of a cranial implant needs a 3D understanding of the complete skull shape. Thus, taking a 2D approach is sub-optimal, since a 2D model lacks a holistic 3D view of both the defective and healthy skulls. Further, loading the whole…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Amirhossein Bayat , Suprosanna Shit , Adrian Kilian , Jürgen T. Liechtenstein , Jan S. Kirschke , Bjoern H. Menze

The current standard of intra-operative navigation during Fenestrated Endovascular Aortic Repair (FEVAR) calls for need of 3D alignments between inserted devices and aortic branches. The navigation commonly via 2D fluoroscopic images, lacks…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Jian-Qing Zheng , Xiao-Yun Zhou , Celia Riga , Guang-Zhong Yang

This work presents a proof-of-concept solution designed to improve the accuracy of radiographic feature characterisation in pre-surgical CT/MR volumes. The solution involves 3D co-location of 2D digital histology slides within ex-vivo,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-05 Robert Phillips , Constantine Zakkaroff , Keren Dittmer , Nicholas Robillard , Kenzie Baer , Anthony Butler

The use of Augmented Reality (AR) for navigation purposes has shown beneficial in assisting physicians during the performance of surgical procedures. These applications commonly require knowing the pose of surgical tools and patients to…

Advanced surgical procedures for congenital heart diseases (CHDs) require precise planning before the surgeries. The conventional approach utilizes 3D-printing and cutting physical heart models, which is a time and resource intensive…

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