Results 1 to 10 of about 6,203,453 (260)

3-D Stochastic Numerical Breast Phantoms for Enabling Virtual Imaging Trials of Ultrasound Computed Tomography [PDF]

open access: yesIEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL, VOL. 69, NO. 1, JANUARY 2022, 2021
Ultrasound computed tomography (USCT) is an emerging imaging modality for breast imaging that can produce quantitative images that depict the acoustic properties of tissues. Computer-simulation studies, also known as virtual imaging trials, provide researchers with an economical and convenient route to systematically explore imaging system designs and ...
Fu Li   +3 more
arxiv   +3 more sources

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

open access: yesSensors, 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   +9 more
doaj   +2 more sources

Materials for phantoms for terahertz pulsed imaging [PDF]

open access: yesPhysics in Medicine and Biology, 2004
Phantoms are commonly used in medical imaging for quality assurance, calibration, research and teaching. They may include test patterns or simulations of organs, but in either case a tissue substitute medium is an important component of the phantom.
Bowen J W Walker G C Hadjiloucas S Berry E   +12 more
core   +4 more sources

Anthropomorphic Breast and Head Phantoms for Microwave Imaging [PDF]

open access: yesDiagnostics, 2018
This paper deals with breast and head phantoms fabricated from 3D-printed structures and liquid mixtures whose complex permittivities are close to that of the biological tissues within a large frequency band.
N. Joachimowicz   +3 more
semanticscholar   +6 more sources

Quantitative magnetic resonance imaging phantoms: A review and the need for a system phantom [PDF]

open access: yesMagnetic Resonance in Medicine, 2018
The MRI community is using quantitative mapping techniques to complement qualitative imaging. For quantitative imaging to reach its full potential, it is necessary to analyze measurements across systems and longitudinally.
K. Keenan   +22 more
semanticscholar   +5 more sources

Experimental Breast Phantoms for Estimation of Breast Tumor Using Microwave Imaging Systems

open access: yesIEEE Access, 2018
In this paper, the preparation and the measurement of a set of human breast phantoms for microwave breast imaging (MBI) as a method of tumor detection are presented.
Md Tarikul Islam   +3 more
doaj   +2 more sources

Super phantoms: advanced models for testing medical imaging technologies [PDF]

open access: yesCommunications Engineering
Phantoms are test objects used for initial testing and optimization of medical imaging techniques, but these rarely capture the complex properties of the tissue.
Srirang Manohar   +4 more
doaj   +2 more sources

Development and application of stable phantoms for the evaluation of photoacoustic imaging instruments. [PDF]

open access: yesPLoS ONE, 2013
Photoacoustic imaging combines the high contrast of optical imaging with the spatial resolution and penetration depth of ultrasound. This technique holds tremendous potential for imaging in small animals and importantly, is clinically translatable.
Sarah E Bohndiek   +4 more
doaj   +2 more sources

Tissue-like phantoms for quantitative birefringence imaging.

open access: yesBiomedical Optics Express, 2017
Birefringence imaging, including polarization sensitive optical coherence tomography (PS-OCT), can provide valuable insight into the microscopic structure and organization of many biological tissues.
Xinyu Liu   +5 more
semanticscholar   +7 more sources

Monte Carlo Simulation for Polychromatic X-ray Fluorescence Computed Tomography with Sheet-Beam Geometry [PDF]

open access: yesarXiv, 2017
X-ray fluorescence computed tomography based on sheet-beam can save a huge amount of time to obtain a whole set of projections using synchrotron. However, it is clearly unpractical for most biomedical research laboratories. In this paper, polychromatic X-
Chen, Mianyi   +4 more
core   +4 more sources

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