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Accurate segmentation of MR brain tissue is a crucial step for diagnosis,surgical planning, and treatment of brain abnormalities. However,it is a time-consuming task to be performed by medical experts. So, automatic and reliable…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Yang Deng , Yao Sun , Yongpei Zhu , Mingwang Zhu , Wei Han , Kehong Yuan

This paper presents a novel method for monocular patient-to-image intraoperative registration, specifically designed to operate without any external hardware tracking equipment or fiducial point markers. Leveraging a synthetic microscopy…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Yike Zhang , Eduardo Davalos Anaya , Jack H. Noble

Semi-supervised learning, which leverages both annotated and unannotated data, is an efficient approach for medical image segmentation, where obtaining annotations for the whole dataset is time-consuming and costly. Traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Ruizhe Li , Grazziela Figueredo , Dorothee Auer , Rob Dineen , Paul Morgan , Xin Chen

Surgical tool localization is an essential task for the automatic analysis of endoscopic videos. In the literature, existing methods for tool localization, tracking and segmentation require training data that is fully annotated, thereby…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Armine Vardazaryan , Didier Mutter , Jacques Marescaux , Nicolas Padoy

Multi-modal registration is a required step for many image-guided procedures, especially ultrasound-guided interventions that require anatomical context. While a number of such registration algorithms are already available, they all require…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Viktoria Markova , Matteo Ronchetti , Wolfgang Wein , Oliver Zettinig , Raphael Prevost

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

Purpose: In this paper, we develop and clinically evaluate a depth-only, markerless augmented reality (AR) registration pipeline on a head-mounted display, and assess accuracy across small or low-curvature anatomies in real-life operative…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Yue Yang , Fabian Necker , Christoph Leuze , Michelle Chen , Andrey Finegersh , Jake Lee , Vasu Divi , Bruce Daniel , Brian Hargreaves , Jie Ying Wu , Fred M Baik

Robust localization is the cornerstone of autonomous driving, especially in challenging urban environments where GPS signals suffer from multipath errors. Traditional localization approaches rely on high-definition (HD) maps, which consist…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Hang Wu , Zhenghao Zhang , Siyuan Lin , Xiangru Mu , Qiang Zhao , Ming Yang , Tong Qin

We present in this paper a novel approach for 3D/2D intraoperative registration during neurosurgery via cross-modal inverse neural rendering. Our approach separates implicit neural representation into two components, handling anatomical…

Deep Learning-based 2D/3D registration enables fast, robust, and accurate X-ray to CT image fusion when large annotated paired datasets are available for training. However, the need for paired CT volume and X-ray images with ground truth…

Image and Video Processing · Electrical Eng. & Systems 2022-10-17 Srikrishna Jaganathan , Maximilian Kukla , Jian Wang , Karthik Shetty , Andreas Maier

To support minimally-invasive intraoperative mitral valve repair, quantitative measurements from the valve can be obtained using an infra-red tracked stylus. It is desirable to view such manually measured points together with the endoscopic…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Lukas Burger , Lalith Sharan , Samantha Fischer , Julian Brand , Maximillian Hehl , Gabriele Romano , Matthias Karck , Raffaele De Simone , Ivo Wolf , Sandy Engelhardt

This work proposed a novel deep registration pipeline for 3D CT and 2D U/S kidney scans of free breathing, which consists of a feature network, and a 3D-2D CNN-based registration network. The feature network has handcraft texture feature…

Image and Video Processing · Electrical Eng. & Systems 2023-08-17 Chi Yanling , Xu Yuyu , Liu Huiying , Wu Xiaoxiang , Liu Zhiqiang , Mao Jiawei , Xu Guibin , Huang Weimin

In this paper, we present a methodology for fisheries-related data that allows us to converge on a labeled image dataset by iterating over the dataset with multiple training and production loops that can exploit crowdsourcing interfaces. We…

Machine Learning · Computer Science 2022-06-09 Zhiyong Zhang , Pushyami Kaveti , Hanumant Singh , Abigail Powell , Erica Fruh , M. Elizabeth Clarke

Accurate instrument segmentation in endoscopic vision of robot-assisted surgery is challenging due to reflection on the instruments and frequent contacts with tissue. Deep neural networks (DNN) show competitive performance and are in favor…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 Haonan Peng , Shan Lin , Daniel King , Yun-Hsuan Su , Randall A. Bly , Kris S. Moe , Blake Hannaford

High-quality labeled datasets are essential for deep learning. Traditional manual annotation methods are not only costly and inefficient but also pose challenges in specialized domains where expert knowledge is needed. Self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Zhaocong liu , Fa Zhang , Lin Cheng , Huanxi Deng , Xiaoyan Yang , Zhenyu Zhang , Chichun Zhou

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

The difficulty of obtaining annotations to build training databases still slows down the adoption of recent deep learning approaches for biomedical image analysis. In this paper, we show that we can train a Deep Net to perform 3D volumetric…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Mateusz Koziński , Agata Mosinska , Mathieu Salzmann , Pascal Fua

In this work, we propose a self-supervised learning method for affine image registration on 3D medical images. Unlike optimisation-based methods, our affine image registration network (AIRNet) is designed to directly estimate the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Evelyn Chee , Zhenzhou Wu

We propose a new self-supervised method for predicting 3D human body pose from a single image. The prediction network is trained from a dataset of unlabelled images depicting people in typical poses and a set of unpaired 2D poses. By…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Jose Sosa , David Hogg

A major bottleneck in Computer-Assisted Preoperative Planning (CAPP) for fracture reduction is the limited availability of annotated data. While annotated datasets are now available for evaluating bone fracture segmentation algorithms,…

Image and Video Processing · Electrical Eng. & Systems 2026-03-20 Basile Longo , Paul-Emmanuel Edeline , Hoel Letissier , Marc-Olivier Gauci , Aziliz Guezou-Philippe , Valérie Burdin , Guillaume Dardenne