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Relative location prediction in computed tomography (CT) scan images is a challenging problem. In this paper, a regression model based on one-dimensional convolutional neural networks is proposed to determine the relative location of a CT…

Computer Vision and Pattern Recognition · Computer Science 2017-11-22 Jiajia Guo , Hongwei Du , Bensheng Qiu , Xiao Liang

Alignment of the bones in standing position provides useful information in surgical planning. In total hip arthroplasty (THA), pelvic sagittal inclination (PSI) angle in the standing position is an important factor in planning of cup…

Image and Video Processing · Electrical Eng. & Systems 2019-11-06 Ata Jodeiri , Yoshito Otake , Reza A. Zoroofi , Yuta Hiasa , Masaki Takao , Keisuke Uemura , Nobuhiko Sugano , Yoshinobu Sato

We propose a new model for digital pathology segmentation, based on the observation that histopathology images are inherently symmetric under rotation and reflection. Utilizing recent findings on rotation equivariant CNNs, the proposed…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Bastiaan S. Veeling , Jasper Linmans , Jim Winkens , Taco Cohen , Max Welling

Automatic vertebrae identification and localization from arbitrary CT images is challenging. Vertebrae usually share similar morphological appearance. Because of pathology and the arbitrary field-of-view of CT scans, one can hardly rely on…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Haofu Liao , Addisu Mesfin , Jiebo Luo

Flat panel computed tomography is used intraoperatively to assess the result of surgery. Due to workflow issues, the acquisition typically cannot be carried out in such a way that the axis aligned multiplanar reconstructions (MPR) of the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Celia Martín Vicario , Florian Kordon , Felix Denzinger , Markus Weiten , Sarina Thomas , Lisa Kausch , Jochen Franke , Holger Keil , Andreas Maier , Holger Kunze

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

Quantitative computed tomography (QCT) is a widely used tool for osteoporosis diagnosis and monitoring. The assessment of cortical markers like cortical bone mineral density (BMD) and thickness is a demanding task, mainly because of the…

Image and Video Processing · Electrical Eng. & Systems 2019-02-18 Stefan Reinhold. Timo Damm , Lukas Huber , Reimer Andresen , Reinhard Barkmann , Claus-C. Glüer , Reinhard Koch

Accurate vertebra localization and identification are required in many clinical applications of spine disorder diagnosis and surgery planning. However, significant challenges are posed in this task by highly varying pathologies (such as…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Fakai Wang , Kang Zheng , Le Lu , Jing Xiao , Min Wu , Shun Miao

Positioning patients for scanning and interventional procedures is a critical task that requires high precision and accuracy. The conventional workflow involves manually adjusting the patient support to align the center of the target body…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Zhongpai Gao , Abhishek Sharma , Meng Zheng , Benjamin Planche , Terrence Chen , Ziyan Wu

Accurate and reliable registration of longitudinal spine images is essential for assessment of disease progression and surgical outcome. Implementing a fully automatic and robust registration is crucial for clinical use, however, it is…

Personalized computed tomography (CT) dosimetry has great potential in assessing patient-specific radiation exposure, supporting risk assessment, and optimizing clinical protocols. The aim of this study is to evaluate the potential of…

Medical Physics · Physics 2026-01-15 Marie-Luise Kuhlmann , Jörg Martin , Stefan Pojtinger

Automated detection of sclerotic metastases (bone lesions) in Computed Tomography (CT) images has potential to be an important tool in clinical practice and research. State-of-the-art methods show performance of 79% sensitivity or…

Computer Vision and Pattern Recognition · Computer Science 2014-07-23 Holger R. Roth , Jianhua Yao , Le Lu , James Stieger , Joseph E. Burns , Ronald M. Summers

Histology images are inherently symmetric under rotation, where each orientation is equally as likely to appear. However, this rotational symmetry is not widely utilised as prior knowledge in modern Convolutional Neural Networks (CNNs),…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Simon Graham , David Epstein , Nasir Rajpoot

In this paper, with the goal of enhancing the minimally invasive spinal fixation procedure in osteoporotic patients, we propose a first-of-its-kind image-guided robotic framework for performing an autonomous and patient-specific procedure…

Most realtime human pose estimation approaches are based on detecting joint positions. Using the detected joint positions, the yaw and pitch of the limbs can be computed. However, the roll along the limb, which is critical for application…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Martin Fisch , Ronald Clark

Purpose: The purpose is to design a novelty automatic diagnostic method for osteoporosis screening by using the potential capability of convolutional neural network (CNN) in feature representation and extraction, which can be incorporated…

Medical Physics · Physics 2019-10-16 Chao Tang , Wenkun Zhang , Haiting Li , Lei Li , Ziheng Li , Ailong Cai , Linyuan Wang , Dapeng Shi , Bin Yan

This paper proposes a novel transformer-based model architecture for medical imaging problems involving analysis of vertebrae. It considers two applications of such models in MR images: (a) detection of spinal metastases and the related…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Rhydian Windsor , Amir Jamaludin , Timor Kadir , Andrew Zisserman

Scoliosis is a condition defined by an abnormal spinal curvature. For diagnosis and treatment planning of scoliosis, spinal curvature can be estimated using Cobb angles. We propose an automated method for the estimation of Cobb angles from…

Image and Video Processing · Electrical Eng. & Systems 2019-12-12 Florian Dubost , Benjamin Collery , Antonin Renaudier , Axel Roc , Nicolas Posocco , Gerda Bortsova , Wiro Niessen , Marleen de Bruijne

In this paper, we present a spatial rectifier to estimate surface normals of tilted images. Tilted images are of particular interest as more visual data are captured by arbitrarily oriented sensors such as body-/robot-mounted cameras.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Tien Do , Khiem Vuong , Stergios I. Roumeliotis , Hyun Soo Park
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