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Current image-guided prostate radiotherapy often relies on the use of implanted fiducials or transducers for target localization. Fiducial or transducer insertion requires an invasive procedure that adds cost and risks for bleeding,…

Medical Physics · Physics 2019-06-21 Wei Zhao , Liyue Shen , Yan Wu , Bin Han , Yong Yang , Lei Xing

Current spinal pain management procedures, such as radiofrequency ablation (RFA) and epidural steroid injection (ESI), rely on fluoroscopy for needle placement which exposes patients and physicians to ionizing radiation. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2025-10-22 Songyuan Lu , Jingwen Hui , Jake Weeks , David B. Berry , Fanny Chapelin , Frank Talke

Minimally Invasive Surgery (MIS) techniques have gained rapid popularity among surgeons since they offer significant clinical benefits including reduced recovery time and diminished post-operative adverse effects. However, conventional…

Organ at risk (OAR) segmentation is a critical process in radiotherapy treatment planning such as head and neck tumors. Nevertheless, in clinical practice, radiation oncologists predominantly perform OAR segmentations manually on CT scans.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Zeyu Zhang , Xuyin Qi , Bowen Zhang , Biao Wu , Hien Le , Bora Jeong , Zhibin Liao , Yunxiang Liu , Johan Verjans , Minh-Son To , Richard Hartley

Medical imaging plays a vital role in modern diagnostics; however, interpreting high-resolution radiological data remains time-consuming and susceptible to variability among clinicians. Traditional image processing techniques often lack the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Melika Filvantorkaman , Maral Filvan Torkaman

Hand-eye calibration is a critical task in robotics, as it directly affects the efficacy of critical operations such as manipulation and grasping. Traditional methods for achieving this objective necessitate the careful design of joint…

Robotics · Computer Science 2023-11-08 Linghao Chen , Yuzhe Qin , Xiaowei Zhou , Hao Su

Deep learning in medical imaging faces obstacles: limited data diversity, ethical issues, high acquisition costs, and the need for precise annotations. Bleeding detection and localization during surgery is especially challenging due to the…

Image and Video Processing · Electrical Eng. & Systems 2025-06-18 Niran Nataraj , Maina Sogabe , Kenji Kawashima

With the advent of consumer grade depth sensors, low-cost volumetric capture systems are easier to deploy. Their wider adoption though depends on their usability and by extension on the practicality of spatially aligning multiple sensors.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Vladimiros Sterzentsenko , Alexandros Doumanoglou , Spyridon Thermos , Nikolaos Zioulis , Dimitrios Zarpalas , Petros Daras

While much progress has been made on the task of 3D point cloud registration, there still exists no learning-based method able to estimate the 6D pose of an object observed by a 2.5D sensor in a scene. The challenges of this scenario…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zheng Dang , Fei Wang , Mathieu Salzmann

In this paper, we propose Augmented Reality Semi-automatic labeling (ARS), a semi-automatic method which leverages on moving a 2D camera by means of a robot, proving precise camera tracking, and an augmented reality pen to define initial…

Computer Vision and Pattern Recognition · Computer Science 2019-08-07 Daniele De Gregorio , Alessio Tonioni , Gianluca Palli , Luigi Di Stefano

Irreversible electroporation (IRE) is a soft tissue ablation technique suitable for treatment of inoperable tumours in the pancreas. The process involves applying a high voltage electric field to the tissue containing the mass using needle…

Chinese acupuncture practitioners primarily depend on muscle memory and tactile feedback to insert needles and accurately target acupuncture points, as the current workflow lacks imaging modalities and visual aids. Consequently, new…

Human-Computer Interaction · Computer Science 2025-04-04 Xinkai Wang , Yue Yang , Kehong Zhou , Xue Xie , Lifeng Zhu , Aiguo Song , Bruce Daniel

Advanced minimally invasive neurosurgery navigation relies mainly on Magnetic Resonance Imaging (MRI) guidance. MRI guidance, however, only provides pre-operative information in the majority of the cases. Once the surgery begins, the value…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Gary Sarwin , Alessandro Carretta , Victor Staartjes , Matteo Zoli , Diego Mazzatenta , Luca Regli , Carlo Serra , Ender Konukoglu

Many registration problems are ill-posed in homogeneous or noisy regions, and dense voxel-wise decoders can be unnecessarily high-dimensional. A sparse control-point parameterisation provides a compact, smooth deformation representation…

Image and Video Processing · Electrical Eng. & Systems 2026-03-19 Wen Yan , Qianye Yang , Yipei Wang , Shonit Punwani , Mark Emberton , Vasilis Stavrinides , Yipeng Hu , Dean Barratt

Markerless augmented reality can be a challenging computer vision task, especially in live broadcast settings and in the absence of information related to the video capture such as the intrinsic camera parameters. This typically requires…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Hallee E. Wong , Osman Akar , Emmanuel Antonio Cuevas , Iuliana Tabian , Divyaa Ravichandran , Iris Fu , Cambron Carter

Recording surgery in operating rooms is an essential task for education and evaluation of medical treatment. However, recording the desired targets, such as the surgery field, surgical tools, or doctor's hands, is difficult because the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Ryo Hachiuma , Tomohiro Shimizu , Hideo Saito , Hiroki Kajita , Yoshifumi Takatsume

Markerless motion capture has become an active field of research in computer vision in recent years. Its extensive applications are known in a great variety of fields, including computer animation, human motion analysis, biomedical…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Doan Duy Vo , Russell Butler

Minimally invasive surgery is highly operator dependant with a lengthy procedural time causing fatigue to surgeon and risks to patients such as injury to organs, infection, bleeding, and complications of anesthesia. To mitigate such risks,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Mansoor Ali , Rafael Martinez Garcia Pena , Gilberto Ochoa Ruiz , Sharib Ali

Multimodal image registration (MIR) is a fundamental procedure in many image-guided therapies. Recently, unsupervised learning-based methods have demonstrated promising performance over accuracy and efficiency in deformable image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Zhe Xu , Jiangpeng Yan , Jie Luo , Xiu Li , Jayender Jagadeesan

Deep learning has revolutionized medical image registration by achieving unprecedented speeds, yet its clinical application is hindered by a limited ability to generalize beyond the training domain, a critical weakness given the typically…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Fengting Zhang , Yue He , Qinghao Liu , Yaonan Wang , Xiang Chen , Hang Zhang