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3D pose estimation from a 2D cross-sectional view enables healthcare professionals to navigate through the 3D space, and such techniques initiate automatic guidance in many image-guided radiology applications. In this work, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2024-08-20 Qianhui Men , Xiaoqing Guo , Aris T. Papageorghiou , J. Alison Noble

Proptosis is characterized by a protrusion of the eyeball due to an increase of the orbital tissue volume. To recover a normal eyeball positioning, the most frequent surgical technique (BROD technique) consists in the osteotomy of orbital…

Medical Physics · Physics 2007-05-23 Vincent Luboz , Pascal Swider , Dominique Ambard , Franck Boutault , Yohan Payan

Fusing live fluoroscopy images with a 3D rotational reconstruction of the vasculature allows to navigate endovascular devices in minimally invasive neuro-vascular treatment, while reducing the usage of harmful iodine contrast medium. The…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Robert Homan , René van Rijsselt , Daniel Ruijters

Automatically determining the position of every slice in a CT scan is a basic yet powerful capability allowing fast retrieval of region of interest for visual inspection and automated analysis. Unlike conventional localization approaches…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Amit Oved

Cervical spine fractures demand rapid and accurate diagnosis for effective clinical management. This study presents an automated, end-to-end pipeline for fracture detection across cervical vertebrae (C1--C7) that assesses the feasibility of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Fabi Nahian Madhurja , Rusab Sarmun , Muhammad E. H. Chowdhury , Adam Mushtak , Israa Al-Hashimi , Sohaib Bassam Zoghoul

BACKGROUND: Proptosis is characterized by a protrusion of the eyeball due to an increase of the orbital tissue volume. To recover a normal eyeball positioning, the most frequent surgical technique consists in the osteotomy of orbital walls…

Medical Physics · Physics 2007-05-23 Vincent Luboz , Dominique Ambard , Pascal Swider , Franck Boutault , Yohan Payan

The task of 6DoF object pose estimation is one of the fundamental problems of 3D vision with many practical applications such as industrial automation. Traditional deep learning approaches for this task often require extensive training data…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Matej Mok , Lukáš Gajdošech , Michal Mesároš , Martin Madaras , Viktor Kocur

Purpose: In conventional fluoroscopy-guided interventions, the 2D projective nature of X-ray imaging limits depth perception and leads to prolonged radiation exposure. Virtual fluoroscopy, combined with spatially tracked surgical…

Image and Video Processing · Electrical Eng. & Systems 2025-05-22 Shuwei Xing , Inaara Ahmed-Fazal , Utsav Pardasani , Uditha Jayarathne , Scott Illsley , Aaron Fenster , Terry M. Peters , Elvis C. S. Chen

Fetal pose estimation in 3D ultrasound (US) involves identifying a set of associated fetal anatomical landmarks. Its primary objective is to provide comprehensive information about the fetus through landmark connections, thus benefiting…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Chaoyu Chen , Xin Yang , Yuhao Huang , Wenlong Shi , Yan Cao , Mingyuan Luo , Xindi Hu , Lei Zhue , Lequan Yu , Kejuan Yue , Yuanji Zhang , Yi Xiong , Dong Ni , Weijun Huang

Frozen sectioning (FS) is the preparation method of choice for microscopic evaluation of tissues during surgical operations. The high speed of the procedure allows pathologists to rapidly assess the key microscopic features, such as tumour…

Effective transperineal ultrasound image guidance in prostate external beam radiotherapy requires consistent alignment between probe and prostate at each session during patient set-up. Probe placement and ultrasound image inter-pretation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Alexander Grimwood , Helen McNair , Yipeng Hu , Ester Bonmati , Dean Barratt , Emma Harris

Surgical robots are used to perform minimally invasive surgery and alleviate much of the burden imposed on surgeons. Our group has developed a surgical robot to aid in the removal of tumors at the base of the skull via access through the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Masakazu Yoshimura , Murilo M. Marinho , Kanako Harada , Mamoru Mitsuishi

Micro-ultrasound (micro-US) is a promising imaging technique for cancer detection and computer-assisted visualization. This study investigates prostate capsule segmentation using deep learning techniques from micro-US images, addressing the…

Image and Video Processing · Electrical Eng. & Systems 2025-09-22 Kaniz Fatema , Vaibhav Thakur , Emad A. Mohammed

We introduce a novel frame-interpolation-based method for slice imputation to improve segmentation accuracy for anisotropic 3D medical images, in which the number of slices and their corresponding segmentation labels can be increased…

Image and Video Processing · Electrical Eng. & Systems 2022-03-22 Zhaotao Wu , Jia Wei , Jiabing Wang , Rui Li

For applications in navigation and robotics, estimating the 3D pose of objects is as important as detection. Many approaches to pose estimation rely on detecting or tracking parts or keypoints [11, 21]. In this paper we build on a recent…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Patrick Poirson , Phil Ammirato , Cheng-Yang Fu , Wei Liu , Jana Kosecka , Alexander C. Berg

This work examines two ways of using proper orthogonal decomposition (POD) to enhance the prior work of EITPose, a device which uses electrical impedance tomography (EIT) to detect posture by way of a band of electrodes on the forearm.…

Human-Computer Interaction · Computer Science 2024-12-12 Jessie Sheflin

Small catheters undergo significant torsional deflections during endovascular interventions. A key challenge in enabling robot control of these catheters is the estimation of their bending planes. This paper considers approaches for…

Robotics · Computer Science 2023-04-25 Jared Lawson , Rohan Chitale , Nabil Simaan

State-of-the-art research of traditional computer vision is increasingly leveraged in the surgical domain. A particular focus in computer-assisted surgery is to replace marker-based tracking systems for instrument localization with pure…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Jonas Hein , Nicola Cavalcanti , Daniel Suter , Lukas Zingg , Fabio Carrillo , Lilian Calvet , Mazda Farshad , Marc Pollefeys , Nassir Navab , Philipp Fürnstahl

Accurate in-hand pose estimation is crucial for robotic object manipulation, but visual occlusion remains a major challenge for vision-based approaches. This paper presents an approach to robotic in-hand object pose estimation, combining…

Robotics · Computer Science 2025-06-13 Felix Nonnengießer , Alap Kshirsagar , Boris Belousov , Jan Peters

Accurate patient positioning is critical for precise radiotherapy dose delivery, as positioning errors can significantly affect treatment outcomes. This study introduces a novel method for tracking loco-regional tissue deformation through…