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Automated segmentation tools often encounter accuracy and adaptability issues when applied to images of different pathology. The purpose of this study is to explore the feasibility of building a workflow to efficiently route images to…

Image and Video Processing · Electrical Eng. & Systems 2024-05-06 Peilong Wang , Timothy L. Kline , Andy D. Missert , Cole J. Cook , Matthew R. Callstrom , Alex Chan , Robert P. Hartman , Zachary S. Kelm , Panagiotis Korfiatis

Commercial iterative reconstruction techniques on modern CT scanners target radiation dose reduction but there are lingering concerns over their impact on image appearance and low contrast detectability. Recently, machine learning,…

Computer Vision and Pattern Recognition · Computer Science 2019-07-16 Hongming Shan , Atul Padole , Fatemeh Homayounieh , Uwe Kruger , Ruhani Doda Khera , Chayanin Nitiwarangkul , Mannudeep K. Kalra , Ge Wang

The purpose of this work is to provide a fast and accurate scatter artifacts correction algorithm for cone beam CT (CBCT) imaging. The method starts with an estimation of coarse scatter profiles for a set of CBCT data in either image domain…

Medical Physics · Physics 2016-04-27 Wei Zhao , Don Vernekohl , Jun Zhu , Luyao Wang , Lei Xing

Cone-beam computed tomography (CBCT) has been widely used in medical imaging and industrial nondestructive testing, but the presence of scattered radiation will cause significant reduction of image quality. In this article, a robust scatter…

Medical Physics · Physics 2016-08-03 Kuidong Huang , Zhe Xu , Dinghua Zhang , Hua Zhang , Wenlong Shi

Chest radiography is a widely used imaging modality for thoracic disease diagnosis, yet its conventional interpretation remains time-consuming and heavily dependent on expert knowledge. While deep learning has improved diagnostic efficiency…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Duy Nguyen Huu , Duy Hoang Khuong , Ngu Huynh Cong Viet

The localization of teeth and segmentation of periapical lesions in cone-beam computed tomography (CBCT) images are crucial tasks for clinical diagnosis and treatment planning, which are often time-consuming and require a high level of…

Image and Video Processing · Electrical Eng. & Systems 2023-12-20 Arnela Hadzic , Barbara Kirnbauer , Darko Stern , Martin Urschler

Computed Tomography (CT) is a technology that reconstructs cross-sectional images using X-ray images taken from multiple directions. In CT, hundreds of X-ray images acquired as the X-ray source and detector rotate around a central axis, are…

Image and Video Processing · Electrical Eng. & Systems 2024-12-05 Shin Kim

Training deep neural networks on large and sparse datasets is still challenging and can require large amounts of computation and memory. In this work, we address the task of performing semantic segmentation on large volumetric data sets,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-09 Lorenz Berger , Eoin Hyde , Matt Gibb , Nevil Pavithran , Garin Kelly , Faiz Mumtaz , Sébastien Ourselin

Computed Tomography (CT) is widely used in healthcare for detailed imaging. However, Low-dose CT, despite reducing radiation exposure, often results in images with compromised quality due to increased noise. Traditional methods, including…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Herman Verinaz-Jadan , Su Yan

Multimodal medical imaging plays a pivotal role in clinical diagnosis and research, as it combines information from various imaging modalities to provide a more comprehensive understanding of the underlying pathology. Recently, deep…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Yihao Li , Mostafa El Habib Daho , Pierre-Henri Conze , Rachid Zeghlache , Hugo Le Boité , Ramin Tadayoni , Béatrice Cochener , Mathieu Lamard , Gwenolé Quellec

Automatic segmentation of multiple organs and tumors from 3D medical images such as magnetic resonance imaging (MRI) and computed tomography (CT) scans using deep learning methods can aid in diagnosing and treating cancer. However, organs…

Image and Video Processing · Electrical Eng. & Systems 2022-07-25 Hao Li , Yang Nan , Javier Del Ser , Guang Yang

Deep learning techniques, particularly convolutional neural networks (CNNs), have gained traction for synthetic computed tomography (sCT) generation from Magnetic resonance imaging (MRI), Cone-beam computed tomography (CBCT) and PET. In…

Image and Video Processing · Electrical Eng. & Systems 2023-08-29 Satoshi Kondo , Satoshi Kasai , Kousuke Hirasawa

Recent advances in machine learning and prevalence of digital medical images have opened up an opportunity to address the challenging brain tumor segmentation (BTS) task by using deep convolutional neural networks. However, different from…

Image and Video Processing · Electrical Eng. & Systems 2022-01-10 Dingwen Zhang , Guohai Huang , Qiang Zhang , Jungong Han , Junwei Han , Yizhou Yu

Conventional Computed Tomography (CT) methods require large numbers of noise-free projections for accurate density reconstructions, limiting their applicability to the more complex class of Cone Beam Geometry CT (CBCT) reconstruction.…

Image and Video Processing · Electrical Eng. & Systems 2023-07-18 Samuele Papa , David M. Knigge , Riccardo Valperga , Nikita Moriakov , Miltos Kofinas , Jan-Jakob Sonke , Efstratios Gavves

Unlike previous works, this open data collection consists of X-ray cone-beam (CB) computed tomography (CT) datasets specifically designed for machine learning applications and high cone-angle artefact reduction. Forty-two walnuts were…

Image and Video Processing · Electrical Eng. & Systems 2020-09-07 Henri Der Sarkissian , Felix Lucka , Maureen van Eijnatten , Giulia Colacicco , Sophia Bethany Coban , Kees Joost Batenburg

Automatic detection of brain neoplasm in Magnetic Resonance Imaging (MRI) is gaining importance in many medical diagnostic applications. This report presents two improvements for brain neoplasm detection in MRI data: an advanced…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Nilanjan Sinhababu , Monalisa Sarma , Debasis Samanta

The medical imaging community generates a wealth of datasets, many of which are openly accessible and annotated for specific diseases and tasks such as multi-organ or lesion segmentation. Current practices continue to limit model training…

Image and Video Processing · Electrical Eng. & Systems 2024-01-09 Constantin Ulrich , Fabian Isensee , Tassilo Wald , Maximilian Zenk , Michael Baumgartner , Klaus H. Maier-Hein

Segmenting anatomical structures in medical images has been successfully addressed with deep learning methods for a range of applications. However, this success is heavily dependent on the quality of the image that is being segmented. A…

Image and Video Processing · Electrical Eng. & Systems 2020-07-06 Ilkay Oksuz , James R. Clough , Bram Ruijsink , Esther Puyol Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Andrew P. King , Julia A. Schnabel

Most deep learning models in medical imaging are trained on adult data with unclear performance on pediatric images. In this work, we aim to address this challenge in the context of automated anatomy segmentation in whole-body Computed…

Image and Video Processing · Electrical Eng. & Systems 2024-04-23 Chih-Ying Liu , Jeya Maria Jose Valanarasu , Camila Gonzalez , Curtis Langlotz , Andrew Ng , Sergios Gatidis

Cone Beam Computed Tomography (CBCT) plays a vital role in clinical imaging. Traditional methods typically require hundreds of 2D X-ray projections to reconstruct a high-quality 3D CBCT image, leading to considerable radiation exposure.…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Zhentao Liu , Yu Fang , Changjian Li , Han Wu , Yuan Liu , Dinggang Shen , Zhiming Cui