Results 1 to 10 of about 272,932 (318)

Inter-phantom variability in digital mammography: implications for quality control [PDF]

European Radiology Experimental
Background Phantoms play a critical role in mammography quality control (QC) by providing standardized conditions for evaluating image quality (IQ) metrics.
Gisella Gennaro, Gilberto Contento, Andrea Ballaminut, Francesca Caumo   +3 more
doaj   +2 more sources

Projection-based stereolithography for direct 3D printing of heterogeneous ultrasound phantoms

PLoS ONE, 2021
Modern ultrasound (US) imaging is increasing its clinical impact, particularly with the introduction of US-based quantitative imaging biomarkers. Continued development and validation of such novel imaging approaches requires imaging phantoms that ...
Samantha J. Paulsen, Trevor M. Mitcham, Charlene S. Pan, James Long, Bagrat Grigoryan, Daniel W. Sazer, Collin J. Harlan, Kevin D. Janson, Mark D. Pagel, Jordan S. Miller, Richard R. Bouchard   +10 more
doaj   +3 more sources

Constructing Customized Multimodal Phantoms Through 3D Printing: A Preliminary Evaluation

Frontiers in Physics, 2021
Purpose: To develop a method for constructing customizable, multimodal quality control (QC) imaging phantoms based on 3D printing technology.Materials and Methods: Four phantoms were designed and constructed through 3D printing technology using three ...
Jianfeng Qiu, Kun Hou, Brandon A. Dyer, Jyh-Cheng Chen, Liting Shi, Yong Sun, Longchun Xu, Huihui Zhao, Zhengmei Li, Tiao Chen, Minghui Li, Fuquan Zhang, Haozhao Zhang, Yi Rong   +13 more
doaj   +1 more source

The potential role of 3D-printed phantoms in quality control of artificial intelligence-based algorithms in medical imaging

Current Directions in Biomedical Engineering, 2023
To ensure accurate and consistent imaging of patients, medical imaging systems are controlled and tested using phantoms. Despite the availability of commercial standard phantoms for decades, 3D printing technology has gained special attention as a tool ...
Pashazadeh Ali, Hoeschen Christoph
doaj   +1 more source

Review of imaging test phantoms

Journal of Biomedical Optics, 2023
Photoacoustic tomography has emerged as a prominent medical imaging technique that leverages its hybrid nature to provide deep penetration, high resolution, and exceptional optical contrast with notable applications in early cancer detection, functional brain imaging, drug delivery monitoring, and guiding interventional procedures.
Christie, Liam B., Zheng, Wenhan, Johnson, William, Marecki, Eric K., Heidrich, James, Xia, Jun, Oh, Kwang W.   +6 more
openaire   +2 more sources

Experimental Validation of Microwave Imaging Prototype and DBIM-IMATCS Algorithm for Bone Health Monitoring

IEEE Access, 2022
The evaluation of the microwave imaging (MWI) prototype and imaging algorithms on experimental bone phantoms is a precursor step before clinical testing for measuring in vivo dielectric properties of human bones.
Bilal Amin, Atif Shahzad, Martin O'halloran, Barry Mcdermott, Adnan Elahi   +4 more
doaj   +1 more source

Multimodal phantoms for clinical PET/MRI

EJNMMI Physics, 2021
Phantoms are commonly used throughout medical imaging and medical physics for a multitude of applications, the designs of which vary between modalities and clinical or research requirements. Within positron emission tomography (PET) and nuclear medicine,
Eve Lennie, Charalampos Tsoumpas, Steven Sourbron   +2 more
doaj   +1 more source

Computed Tomography Attenuation of Three-Dimensional (3D) Printing Materials—Depository to Aid in Constructing 3D-Printed Phantoms

Micromachines, 2023
Three-dimensionally printed phantoms are increasingly used in medical imaging and research due to their cost-effectiveness and customizability, offering valuable alternatives to commercial phantoms.
Yuktesh Kalidindi, Aravinda Krishna Ganapathy, Yash Nayak, Anusha Elumalai, David Z. Chen, Grace Bishop, Adrian Sanchez, Brian Albers, Anup S. Shetty, David H. Ballard   +9 more
doaj   +1 more source

Evaluation of MLC Thickness and Composite Effects on Collimation Parameters using EGSnrc and IAEA Phase Space Data [PDF]

Journal of Biomedical Physics and Engineering, 2020
Background: Recently, multileaf collimators (MLC) have become an important part of any LINAC collimation system because they reduce the treatment planning time and improve the conformity.
K Hadad, H Alipour
doaj   +1 more source

Multimodal Breast Phantoms for Microwave, Ultrasound, Mammography, Magnetic Resonance and Computed Tomography Imaging

Sensors, 2020
The aim of this work was to develop multimodal anthropomorphic breast phantoms suitable for evaluating the imaging performance of a recently-introduced Microwave Imaging (MWI) technique in comparison to the established diagnostic imaging modalities of ...
Giuseppe Ruvio, Raffaele Solimene, Antonio Cuccaro, Gaia Fiaschetti, Andrew J. Fagan, Sean Cournane, Jennie Cooke, Max J. Ammann, Jorge Tobon, Jacinta E. Browne   +9 more
doaj   +1 more source