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The purpose of this study is to investigate the femoral neck angulation for prediction of the complication associated with dynamic hip screw (DHS) surgery and hip deformity. Three sample patients' MRI images were selected to calculate the…

Medical Physics · Physics 2020-01-06 Katie McFarlane , Thanapong Chaichana , Zhonghua Sun , Joseph Neil Dentith , Philip Brown

In this study we investigated the repeatability and reproducibility of radiomic features extracted from MRI images and provide a workflow to identify robust features. 2D and 3D T$_2$-weighted images of a pelvic phantom were acquired on…

Accurate 3D object detection is a critical component of autonomous driving, enabling vehicles to perceive their surroundings with precision and make informed decisions. LiDAR sensors, widely used for their ability to provide detailed 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Christoph Griesbacher , Christian Fruhwirth-Reisinger

Three-dimensional X-ray histology techniques offer a non-invasive alternative to conventional 2D histology, enabling volumetric imaging of biological tissues without the need for physical sectioning or chemical staining. However, the…

Image and Video Processing · Electrical Eng. & Systems 2025-09-12 Sarah C. Irvine , Christian Lucas , Diana Krüger , Bianca Guedert , Julian Moosmann , Berit Zeller-Plumhoff

Three-dimensional (3-D) skin surface reconstruction offers promise for objective and quantitative dermatological assessment, but no portable, high-resolution device exists that has been validated and used for depth reconstruction across…

The correlation of optical measurements with a correct pathology label is often hampered by imprecise registration caused by deformations in histology images. This study explores an automated multi-modal image registration technique…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Lianne Feenstra , Maud Lambregts , Theo J. M Ruers , Behdad Dashtbozorg

We use newly developed 3D kinetic MHD models of the heliosphere to predict heliospheric H I Lyman-alpha absorption for various lines of sight. These predictions are compared with actual Lyman-alpha spectra from the Hubble Space Telescope,…

Astrophysics · Physics 2011-02-11 Brian E. Wood , Vladislav V. Izmodenov , Jeffrey L. Linsky , Dmitry Alexashov

Deformable image registration (DIR) is an enabling technology in many diagnostic and therapeutic tasks. Despite this, DIR algorithms have limited clinical use, largely due to a lack of benchmark datasets for quality assurance during…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Edward R Criscuolo , Yao Hao , Zhendong Zhang , Trevor McKeown , Deshan Yang

Purpose: To assess the feasibility of deep learning-based high resolution synthetic CT generation from MRI scans of the lower arm for orthopedic applications. Methods: A conditional Generative Adversarial Network was trained to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Frank Zijlstra , Koen Willemsen , Mateusz C. Florkow , Ralph J. B. Sakkers , Harrie H. Weinans , Bart C. H. van der Wal , Marijn van Stralen , Peter R. Seevinck

Ptychography has become prominent at synchrotron facilities worldwide for characterizing biological and material specimens' topological structures and properties at the nanometer or atomic scale, due to its lens - less, highly quantitative…

Image and Video Processing · Electrical Eng. & Systems 2025-01-28 Tao Liu , Bingyang Wang , JiangTao Zhao , Maik Kahnt , Fucai Zhang

Three-dimensional (3D) medical image enhancement, including denoising and super-resolution, is critical for clinical diagnosis in CT, PET, and MRI. Although diffusion models have shown remarkable success in 2D medical imaging, scaling them…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Hongxu Jiang , Fei Li , Boxiao Yu , Ying Zhang , Kaleb Smith , Kuang Gong , Wei Shao

Objective: Clinical implementation of deformable image registration (DIR) requires voxel-based spatial accuracy metrics such as manually identified landmarks, which are challenging to implement for highly mobile gastrointestinal (GI)…

Background: Magnetic field inhomogeneities generate important geometric distortions in reconstructed echo-planar images. Various procedures were proposed for correcting these distortions on brain images; yet, few neuroimaging studies…

Image and Video Processing · Electrical Eng. & Systems 2021-08-10 Haykel Snoussi , Julien Cohen-Adad , Olivier Commowick , Benoit Combes , Elise Bannier , Soizic Leguy , Anne Kerbrat , Christian Barillot , Emmanuel Caruyer

Whole brain neuroanatomy using tera-voxel light-microscopic data sets is of much current interest. A fundamental problem in this field is the mapping of individual brain data sets to a reference space. Previous work has not rigorously…

Neurons and Cognition · Quantitative Biology 2019-04-18 Brian C. Lee , Meng Kuan Lin , Yan Fu , Junichi Hata , Michael I. Miller , Partha P. Mitra

This paper proposes a simple and efficient method for the reconstruction and extraction of geometric parameters from 3D tubular objects. Our method constructs an image that accumulates surface normal information, then peaks within this…

Quantitative computed tomography (QCT) plays a crucial role in assessing bone strength and fracture risk by enabling volumetric analysis of bone density distribution in the proximal femur. However, deploying automated segmentation models in…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Rochak Dhakal , Chen Zhao , Zixin Shi , Joyce H. Keyak , Tadashi S. Kaneko , Kuan-Jui Su , Hui Shen , Hong-Wen Deng , Weihua Zhou

We introduce HYPERPOSE, a novel 3D human pose estimation framework that performs spatio-temporal reasoning entirely within the Lorentz model of hyperbolic space $\mathbb{H}^d$ to natively preserve the hierarchical tree topology of the human…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Vinduja Thekkath , Ashish Musale , Ajay Waghumbare , Upasna Singh

[Objective] To develop a Computer-aided diagnosis (CAD) system for plane frontal hip X-rays with a deep learning model trained on a large dataset collected at multiple centers. [Materials and Methods]. We included 5295 cases with neck…

Hip fractures are a leading cause of death and disability among older adults. Hip fractures are also the most commonly missed diagnosis on pelvic radiographs. Computer-Aided Diagnosis (CAD) algorithms have shown promise for helping…

The mechanosensory system of teeth is currently believed to partly rely on Odontoblast cells stimulation by fluid flow through a porosity network extending through dentin. Visualizing the smallest sub-microscopic porosity vessels therefore…

Machine Learning · Computer Science 2025-10-10 Lauren Anderson , Lucas Chatelain , Nicolas Tremblay , Kathryn Grandfield , David Rousseau , Aurélien Gourrier