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Related papers: Cardiac SPECT Radiomics Features Repeatability and…

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Multiparametric radiological imaging is vital for detection, characterization and diagnosis of many different diseases. The use of radiomics for quantitative extraction of textural features from radiological imaging is increasing moving…

Computer Vision and Pattern Recognition · Computer Science 2020-02-07 Vishwa S. Parekh , Michael A. Jacobs

Our interest has been to study the effect that scattered radiation has on contrast, signal-to-noise ratio and thickness reconstruction in digital mammographies. Using the GEANT code we have performed Monte-Carlo simulations of 25 kVp Mo/Mo…

Medical Physics · Physics 2009-09-29 Varlen Grabski , Maria-Ester Brandan

Simulation-based image quality metrics are adapted and investigated for characterizing the parameter dependences of linear iterative image reconstruction for DBT. Three metrics based on 2D DBT simulation are investigated: (1) a…

Medical Physics · Physics 2017-11-01 Sean D. Rose , Adrian A. Sanchez , Emil Y. Sidky , Xiaochuan Pan

Coronary artery disease (CAD) is a cardiovascular condition with high morbidity and mortality. Intravascular optical coherence tomography (IVOCT) has been considered as an optimal imagining system for the diagnosis and treatment of CAD.…

Image and Video Processing · Electrical Eng. & Systems 2022-04-26 Xueshen Li , Shengting Cao , Hongshan Liu , Xinwen Yao , Brigitta C. Brott , Silvio H. Litovsky , Xiaoyu Song , Yuye Ling , Yu Gan

Performing magnetic resonance imaging (MRI) reconstruction from under-sampled k-space data can accelerate the procedure to acquire MRI scans and reduce patients' discomfort. The reconstruction problem is usually formulated as a denoising…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Tianqi Xiang , Wenjun Yue , Yiqun Lin , Jiewen Yang , Zhenkun Wang , Xiaomeng Li

Radiomics analysis has emerged as a promising approach for extracting quantitative features from medical images to aid in cancer diagnosis and treatment. However, radiomics research currently lacks standardization, and radiomics features…

Purpose: When comparing different scans of the same radiochromic film, several patterns can be observed. These patterns are caused by different sources of uncertainty, which affect the repeatability of the scanner. The purpose of this work…

Medical Physics · Physics 2016-08-19 I. Méndez , Ž. Šljivić , R. Hudej , A. Jenko , B. Casar

Purpose: To develop a novel deep-learning model that integrates radiomics analysis in a multi-dimensional feature fusion workflow for glioblastoma (GBM) post-resection survival prediction. Methods: A cohort of 235 GBM patients with complete…

Medical Physics · Physics 2022-03-14 Zongsheng Hu , Zhenyu Yang , Haozhao Zhang , Eugene Vaios , Kyle Lafata , Fang-Fang Yin , Chunhao Wang

Glioblastoma (GBM) is an aggressive brain tumor in which IDH mutation status is a key prognostic biomarker, but traditional testing requires invasive biopsies, emphasizing the need for non-invasive approaches. In this multi-center study, we…

The Image Biomarker Standardisation Initiative (IBSI) aims to improve reproducibility of radiomics studies by standardising the computational process of extracting image biomarkers (features) from images. We have previously established…

Image and Video Processing · Electrical Eng. & Systems 2024-02-08 Adrien Depeursinge , Vincent Andrearczyk , Philip Whybra , Joost van Griethuysen , Henning Müller , Roger Schaer , Martin Vallières , Alex Zwanenburg

High-redshift 21-cm observations will provide crucial insights into the physical processes of the Epoch of Reionization. Next-generation interferometers such as the Square Kilometer Array will have enough sensitivity to directly image the…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-27 Simon Gazagnes , Léon V. E. Koopmans , Michael H. F. Wilkinson

Radiomics is an active area of research focusing on high throughput feature extraction from medical images with a wide array of applications in clinical practice, such as clinical decision support in oncology. However, noise in low dose…

Quantitative Methods · Quantitative Biology 2021-09-07 Junhua Chen , Inigo Bermejo , Andre Dekker , Leonard Wee

Recovering the radiometric properties of a scene (i.e., the reflectance, illumination, and geometry) is a long-sought ability of computer vision that can provide invaluable information for a wide range of applications. Deciphering the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-06 Stephen Lombardi , Ko Nishino

Background: The high dimensionality of radiomic feature sets, the variability in radiomic feature types and potentially high computational requirements all underscore the need for an effective method to identify the smallest set of…

A sparsity-exploiting algorithm intended for few-view Single Photon Emission Computed Tomography (SPECT) reconstruction is proposed and characterized. The algorithm models the object as piecewise constant subject to a blurring operation. To…

Medical Physics · Physics 2012-12-05 Paul A Wolf , Jakob H Jørgensen , Taly G Schmidt , Emil Y Sidky

Quantitative extraction of high-dimensional mineable data from medical images is a process known as radiomics. Radiomics is foreseen as an essential prognostic tool for cancer risk assessment and the quantification of intratumoural…

Classical radiomic features are designed to quantify image appearance and intensity patterns. Compared with end-to-end deep learning (DL) models trained for disease classification, radiomics pipelines with low-dimensional parametric…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Yaxi Chen , Simin Ni , Jingjing Zhang , Shaheer U. Saeed , Yipei Wang , Aleksandra Ivanova , Rikin Hargunani , Chaozong Liu , Jie Huang , Yipeng Hu

Reproducibility remains a critical challenge in foundation model training for histopathology, often hindered by software randomness, hardware non-determinism, and inconsistent hyperparameter reporting. To investigate these issues, we…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Usman Afzaal , Ziyu Su , Usama Sajjad , Hao Lu , Mostafa Rezapour , Metin Nafi Gurcan , Muhammad Khalid Khan Niazi

Background: As an important branch of machine learning pipelines in medical imaging, radiomics faces two major challenges namely reproducibility and accessibility. In this work, we introduce open-radiomics, a set of radiomics datasets along…

Quantitative Methods · Quantitative Biology 2025-03-04 Khashayar Namdar , Matthias W. Wagner , Birgit B. Ertl-Wagner , Farzad Khalvati

Radiomics is a rapidly growing field that deals with modeling the textural information present in the different tissues of interest for clinical decision support. However, the process of generating radiomic images is computationally very…

Computer Vision and Pattern Recognition · Computer Science 2019-05-30 Vishwa S. Parekh , Michael A. Jacobs