Gianmarco Francesco Pinton

Works (34)

Updated: June 3rd, 2024 08:14

2024 review

Current clinical investigations of focused ultrasound blood-brain barrier disruption: A review

[Review of ]. NEUROTHERAPEUTICS, 21(3).

By: P. Durham n, A. Butnariu*, R. Alghorazi*, G. Pinton n, V. Krishna n & P. Dayton n

author keywords: Ultrasound; Blood-brain barrier; Alzheimer's; Neuro-oncology
Source: Web Of Science
Added: May 28, 2024

2024 article

Element Position Calibration for Matrix Array Transducers with Multiple Disjoint Piezoelectric Panels

McCall, J. R., Chavignon, A., Couture, O., Dayton, P. A., & Pinton, G. F. (2024, February 9). ULTRASONIC IMAGING.

author keywords: 3-D ultrasound; transducer; calibration; ULM
TL;DR: It is shown that the shape of the point spread function (PSF) can be significantly improved and PSF-doubling artifacts can be reduced by up to 10 dB via this simple calibration procedure. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: February 26, 2024

2024 journal article

Shear shock wave injury<i> in</i><i> vivo:</i> High frame-rate ultrasound observation and histological assessment

JOURNAL OF BIOMECHANICS, 166.

By: S. Chandrasekaran n, F. Santibanez n, T. Long*, T. Nichols*, J. Kait*, R. Bruegge n, C. Bass*, G. Pinton n

author keywords: Shear shock waves; Ultrasound; Traumatic Brain Injury
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: May 13, 2024

2023 journal article

Activation of primate frontal eye fields with a CMUT phased array system

JOURNAL OF NEUROSCIENCE METHODS, 402.

By: M. Riley*, B. Roeder*, W. Zinke, M. Weisend*, D. Eidum*, G. Pinton n, A. Biliroglu n, F. Yamaner n, O. Oralkan n, P. Connolly*

author keywords: Transcranial focused ultrasound; Non-invasive stimulation; Frontal eye fields; Local field response; Behavioral task
TL;DR: A new approach for non-invasive stimulation during performance of a behavioral task is provided with the ability to steer stimulation patterns and target using a large amount of transducers, which will be greatly improved for future clinical and research applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: January 22, 2024

2023 journal article

Non-invasive transcranial volumetric ultrasound localization microscopy of the rat brain with continuous, high volume-rate acquisition

THERANOSTICS, 13(3), 1235–1246.

author keywords: Key words; 3-D ultrasound; transducer; microvascular imaging; brain; super resolution
MeSH headings : Rats; Animals; Microscopy / methods; Ultrasonography / methods; Brain / blood supply; Ultrasonics; Skull / diagnostic imaging
TL;DR: New capabilities to rapidly image and analyze complex vascular networks in 3-D volume space for structural and functional imaging in disease assessment, targeted therapeutic delivery, monitoring response to therapy, and other theranostic applications are demonstrated. (via Semantic Scholar)
Source: Web Of Science
Added: March 20, 2023

2023 journal article

The development of a 1.25 MHz 1024-channel sparse array for human transcranial imaging: <i>in vitro</i> characterization

MEASUREMENT SCIENCE AND TECHNOLOGY, 35(3).

By: J. McCall n, R. Jones n, F. Santibanez n, K. Latham, J. Zou, P. Dayton*, G. Pinton n

author keywords: human; transcranial; ultrasound; 3D ultrasound; volumetric; sparse array
TL;DR: A 1024-channel sparse array with a 65 mm circular aperture and a 1–2 MHz bandwidth is designed and developed that achieves a high focal gain that enables ultrasonic visualization beneath the human skull and at large depths due to its low F-number capabilities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 8, 2024

2022 article

Brain topography on adult ultrasound images: Techniques, interpretation, and image library

Kapoor, S., Offnick, A., Allen, B., Brown, P. A., Sachs, J. R., Gurcan, M. N., … Sarwal, A. (2022, August 4). JOURNAL OF NEUROIMAGING.

author keywords: brain echography; cranial ultrasound; neuro-ultrasound; ultrasonography
MeSH headings : Adult; Humans; Brain / diagnostic imaging; Magnetic Resonance Imaging; Tomography, X-Ray Computed; Echoencephalography; Temporal Bone
TL;DR: The visualization of intracranial anatomy on B‐mode ultrasound is challenging due to the presence of the skull that limits insonation to a few segments on the temporal bone that are thin enough to allow transcranial transmission of sound. (via Semantic Scholar)
Source: Web Of Science
Added: August 15, 2022

2022 journal article

Characterization of the Ultrasound Localization Microscopy Resolution Limit in the Presence of Image Degradation

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 69(1), 124–134.

By: J. McCall n, P. Dayton n & G. Pinton n

author keywords: Image degradation; resolution; super-resolution; ultrasound localization microscopy (ULM)
MeSH headings : Computer Simulation; Microscopy; Ultrasonography
TL;DR: This work investigated the effects of three sources of image degradation on the resolution limit of ULM, and demonstrated the importance of phase aberration correction and clutter filtering in ULM postprocessing. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 10, 2022

2022 article

Effect of perfluorocarbon composition on activation of phase-changing ultrasound contrast agents

Mitcham, T. M., Nevozhay, D., Chen, Y., Nguyen, L. D., Pinton, G. F., Lai, S. Y., … Bouchard, R. R. (2022, March 7). MEDICAL PHYSICS.

author keywords: high-frequency ultrasound; nanodroplets; perfluorocarbon contrast agents; ultrasound activation
MeSH headings : Acoustics; Animals; Contrast Media; Fluorocarbons; Mice; Microbubbles; Ultrasonography / methods
TL;DR: C6‐core PNCAs can provide high‐contrast US imaging with minimal nonspecific activation in phantom and in vivo environments. (via Semantic Scholar)
Source: Web Of Science
Added: March 21, 2022

2022 journal article

In situ ultrasound imaging of shear shock waves in the porcine brain

JOURNAL OF BIOMECHANICS, 134.

By: S. Chandrasekaran*, F. Santibanez, B. Tripathi*, R. DeRuiter*, R. Bruegge & G. Pinton*

author keywords: Ultrasound imaging; RF tracking; Motion tracking; Shear waves; Shock waves
MeSH headings : Animals; Brain / diagnostic imaging; Brain Injuries, Traumatic; Elasticity Imaging Techniques / methods; Head; Motion; Phantoms, Imaging; Swine; Ultrasonography / methods
TL;DR: The experimental velocity, acceleration, and strain-rate waveforms in brain for the monochromatic impact are shown to be in excellent agreement with theoretical predictions from a custom higher-order finite volume method hence demonstrating the capabilities to measure rapid brain motion despite strong acoustical reverberations from the porcine skull. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: May 16, 2022

2021 article

Comparison of localization methods in super-resolution imaging

2021 IEEE UFFC LATIN AMERICA ULTRASONICS SYMPOSIUM (LAUS).

By: A. Xavier*, G. Pinton n & D. Espindola*

TL;DR: The proposed simulations can be seen as a tool that offers access to the ground truth of many MBs’ localization under relatively realistic physics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: April 4, 2022

2021 review

Non-invasive transcranial ultrasound stimulation for neuromodulation

[Review of ]. CLINICAL NEUROPHYSIOLOGY, 135, 51–73.

author keywords: Transcranial ultrasound stimulation; Neuromodulation; Plasticity; Non-invasive brain stimulation
MeSH headings : Animals; Brain / cytology; Brain / physiology; Evoked Potentials; Humans; Neuronal Plasticity; Neurons / metabolism; Neurons / physiology; Neurons / radiation effects; Ultrasonic Waves; Ultrasonography, Interventional / methods
TL;DR: This review provides up-to-date information on the physical and neurophysiological mechanisms of TUS, available readouts for its neural and behavioral effects, insights gained from animal models and human studies, potential clinical applications, and safety considerations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: April 25, 2022

2021 journal article

ON THE RELATIONSHIP BETWEEN SPATIAL COHERENCE AND IN SITU PRESSURE FOR ABDOMINAL IMAGING

ULTRASOUND IN MEDICINE AND BIOLOGY, 47(8), 2310–2320.

By: B. Zhang*, G. Pinton n & K. Nightingale*

author keywords: Mechanical index; In situ pressure; Spatial coherence; Tissue harmonic imaging; Measurement techniques; Abdominal ultrasound; Simulation
MeSH headings : Abdomen / diagnostic imaging; Animals; Phantoms, Imaging; Pressure; Swine; Ultrasonography
TL;DR: Strong correlation between both spatial coherence-based metrics and in situ PRP is demonstrated, an observation that could be leveraged in the future for patient-specific selection of acoustic output. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 19, 2021

2021 journal article

QUANTIFYING THE EFFECT OF ABDOMINAL BODY WALL ON IN SITU PEAK RAREFACTION PRESSURE DURING DIAGNOSTIC ULTRASOUND IMAGING

ULTRASOUND IN MEDICINE AND BIOLOGY, 47(6), 1548–1558.

author keywords: Mechanical index; In situ pressure; Tissue harmonic imaging; Measurement techniques; Abdominal ultrasound; Simulation
MeSH headings : Abdomen / diagnostic imaging; Abdominal Wall; Diagnostic Errors; Imaging, Three-Dimensional; Phantoms, Imaging; Pressure; Ultrasonography / methods
TL;DR: 3-D non-linear ultrasound simulations and experimental measurements were used to estimate the range of in situ pressures that can occur during transcutaneous abdominal imaging and to identify the sources of error when estimating in situ peak rarefaction pressures (PRPs) using linear derating, as specified by the mechanical index (MI) guideline. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: May 10, 2021

2021 journal article

Transcranial Neuromodulation Array With Imaging Aperture for Simultaneous Multifocus Stimulation in Nonhuman Primates

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 69(1), 261–272.

By: R. Jones n, C. Caskey*, P. Dayton n, O. Oralkan n & G. Pinton n

author keywords: Ultrasonic imaging; Neuromodulation; Brain modeling; Imaging; Focusing; Attenuation; Transducers; Customized array; focused ultrasound; neuromodulation; phase aberration correction; simultaneous stimulation; transcranial
MeSH headings : Animals; Brain / diagnostic imaging; Primates; Skull / diagnostic imaging; Transducers; Ultrasonic Therapy
TL;DR: Using 3-D Fullwave simulations, this work has designed an ultrasound neuromodulation array for nonhuman primates that can simultaneously focus on multiple targets and include an imaging aperture for additional functional imaging. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 1, 2022

2020 journal article

Head Impact Telemetry System's Video-based Impact Detection and Location Accuracy

MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 52(10), 2198–2206.

author keywords: HEAD INJURIES; CONCUSSION; AMERICAN FOOTBALL; INJURY PREVENTION; HEAD IMPACTS
TL;DR: Data is provided on the HIT System’s impact detection and location accuracy during high school football special teams plays using game video analysis that has not been previously published and it is believed that the HIT system is useful for estimating population-based impact location distributions for special teams play. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: October 12, 2020

2020 journal article

Modeling Ultrasound Propagation in the Moving Brain: Applications to Shear Shock Waves and Traumatic Brain Injury

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 68(1), 201–212.

author keywords: Biomedical acoustics; biomedical imaging; finite difference simulations; numerical simulation; shear shock waves; traumatic brain injury (TBI)
MeSH headings : Animals; Brain / diagnostic imaging; Brain Injuries, Traumatic; Elasticity Imaging Techniques; Humans; Phantoms, Imaging; Reproduction; Swine; Ultrasonography
TL;DR: It is shown that the proposed generalized impedance flow method accurately captures the shear wave motion in terms of the wave profile, shock front characteristics, odd harmonic spectrum generation, and acceleration at theShear shock front. (via Semantic Scholar)
Source: Web Of Science
Added: January 19, 2021

2020 journal article

Quantitative sub-resolution blood velocity estimation using ultrasound localization microscopy ex-vivo and in-vivo

BIOMEDICAL PHYSICS & ENGINEERING EXPRESS, 6(3).

author keywords: ultrasound imaging; super-resolution; blood flow
MeSH headings : Algorithms; Animals; Blood Flow Velocity; Blood Vessels / diagnostic imaging; Calibration; Contrast Media; Equipment Design; Humans; Image Processing, Computer-Assisted; In Vitro Techniques; Mice; Microbubbles; Microscopy / methods; Microvessels / diagnostic imaging; Phantoms, Imaging; Reproducibility of Results; Signal Processing, Computer-Assisted; Transducers; Ultrasonography / instrumentation; Ultrasonography / methods
TL;DR: It is shown that the parabolic flow profiles within these micro-vessels are resolvable and velocity measurements are in excellent agreement with theoretical predictions within the considered range of flow rates. (via Semantic Scholar)
Source: Web Of Science
Added: May 18, 2020

2020 review

SUPER-RESOLUTION ULTRASOUND IMAGING

[Review of ]. ULTRASOUND IN MEDICINE AND BIOLOGY, 46(4), 865–891.

By: K. Christensen-Jeffries, O. Couture*, P. Dayton*, Y. Eldar*, K. Hynynen, F. Kiessling, M. O'Reilly, I. Pinton ...

author keywords: Ultrasound; Microvessels; Super-resolution; Localization; Microscopy; Microbubbles; Contrast agents; Brain; Tumor
MeSH headings : Animals; Blood Vessels / diagnostic imaging; Humans; Microbubbles; Neoplasms / diagnostic imaging; Ultrasonography / methods
TL;DR: Inspired by optical microscopy, ultrasound localization microscopy has bypassed the classic compromise between penetration and resolution in ultrasonic imaging and is being applied pre-clinically and clinically for imaging of the microvasculature of the brain, kidney, skin, tumors and lymph nodes. (via Semantic Scholar)
Source: Web Of Science
Added: March 10, 2020

2020 journal article

Superharmonic Ultrasound for Motion-Independent Localization Microscopy: Applications to Microvascular Imaging From Low to High Flow Rates

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 67(5), 957–967.

author keywords: Acoustic angiography (AA); angiogenesis; contrast agent; microbubble (MB); microvasculature; superharmonic imaging (SHI); ultrasound localization microscopy (ULM)
MeSH headings : Angiography; Animals; Female; Image Processing, Computer-Assisted / methods; Kidney / blood supply; Kidney / diagnostic imaging; Microscopy / methods; Microvessels / diagnostic imaging; Movement; Rats; Ultrasonography / methods
TL;DR: Superharmonic imaging is applied to ULM and an average improvement in SNR of 10.3-dB in vitro when compared with the standard singular value decomposition filter approach and an increase inSNR at low flow from 5 to 16.5 dB. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: May 26, 2020

2020 journal article

Transient acoustic vaporization signatures unique to low boiling point phase change contrast agents enable super-resolution ultrasound imaging without spatiotemporal filtering

AIP ADVANCES, 10(10).

By: R. DeRuiter n, E. Markley n, J. Rojas n, G. Pinton n & P. Dayton n

TL;DR: The proposed PCCA SR technique does not require the use of user-dependent and flow-dependent spatio-temporal filtering via singular-value decomposition, rather, matched filters selected by Fourier-domain analysis are able to identify and localize PCCAs activations. (via Semantic Scholar)
Source: Web Of Science
Added: November 24, 2020

2019 journal article

Modeling and simulations of two dimensional propagation of shear shock waves in relaxing soft solids

JOURNAL OF COMPUTATIONAL PHYSICS, 395, 205–222.

By: B. Tripathi n, D. Espindola n & G. Pinton n

author keywords: Piecewise parabolic method; Shear shock waves; Relaxation mechanisms; Traumatic brain injury
TL;DR: A two-dimensional system of first-order equations modeling the propagation of shear shock waves in a relaxing soft solid is presented, and this system is solved numerically using the piecewise parabolic method, a high-order finite volume method. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 26, 2019

2019 journal article

Piecewise parabolic method for propagation of shear shock waves in relaxing soft solids: One-dimensional case

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN BIOMEDICAL ENGINEERING, 35(5).

By: B. Tripathi n, D. Espindola n & G. Pinton n

author keywords: piecewise parabolic method; relaxation mechanisms; shear shock waves; traumatic brain injury
MeSH headings : Brain / diagnostic imaging; Brain / physiology; Brain / physiopathology; Finite Element Analysis; Head Injuries, Closed / physiopathology; Humans; Models, Biological; Nonlinear Dynamics; Reproducibility of Results; Ultrasonography
TL;DR: A 1D inviscid velocity‐stress–like system to model the propagation of shear shock waves in a homogeneous medium is developed and a generalized Maxwell body is used to model a relaxing medium that can describe experimentally determined attenuation laws. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 1, 2019

2019 journal article

Super-Resolution Imaging Through the Human Skull

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 67(1), 25–36.

By: D. Soulioti n, D. Espindola n, P. Dayton n & G. Pinton n

author keywords: Brain mapping; brain vasculature; contrast-enhanced ultrasound; microbubbles; phase aberration correction; super resolution; transcranial; transcranial focusing
MeSH headings : Algorithms; Brain / diagnostic imaging; Brain Mapping / methods; Contrast Media / chemistry; Humans; Image Processing, Computer-Assisted / methods; Microbubbles; Phantoms, Imaging; Skull / diagnostic imaging; Ultrasonography / methods
TL;DR: The feasibility of human transcranial super-resolution imaging is demonstrated using a geometrical focusing approach to efficiently concentrate energy at the region of interest, and a phase correction focusing approach that takes the skull morphology into account. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: January 21, 2020

2018 journal article

Adaptive Multifocus Beamforming for Contrast-Enhanced-Super-Resolution Ultrasound Imaging in Deep Tissue

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 65(12), 2255–2263.

By: D. Espindola n, F. Lin n, D. Soulioti n, P. Dayton n & G. Pinton n

author keywords: Adaptive beamforming; sensitivity; super-resolution imaging
MeSH headings : Abdomen / diagnostic imaging; Animals; Contrast Media; Databases, Factual; Female; Humans; Image Processing, Computer-Assisted / methods; Microbubbles; Muscles / diagnostic imaging; Phantoms, Imaging; Swine; Ultrasonography / methods
TL;DR: An “adaptive multifocus” sequence is proposed, a new ultrasound imaging sequence that combines the high frame rate feature of a plane wave with the increased bubble detection sensitivity of a focused beam, retaining a high frame rates, yet achieving improved sensitivity to microbubbles. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: January 14, 2019

2018 journal article

Focusing of Shear Shock Waves

PHYSICAL REVIEW APPLIED, 9(1).

TL;DR: This study uses the high-frame-rate ultrasound technique to further show that shear waves emitted by a cylindrical source into tissue-mimicking gelatin can be focused, and that they form a shock at the focus. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Blocked Elements in 1-D and 2-D Arrays-Part I: Detection and Basic Compensation on Simulated and In Vivo Targets

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 64(6), 910–921.

author keywords: Blocked elements; 2-D arrays; ribs; transthoracic imaging; growing aperture; cross-correlation; full-wave simulation
MeSH headings : Female; Humans; Image Processing, Computer-Assisted / methods; Male; Middle Aged; Ribs / diagnostic imaging; Thorax / diagnostic imaging; Ultrasonography / methods
TL;DR: The growing receive-aperture B-mode images created from the element data indicate that the signals on blocked elements are dominated by noise and that turning them OFF has a potential to improve visibility of liver vasculature. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Piecewise parabolic method for simulating one-dimensional shear shock wave propagation in tissue-mimicking phantoms

SHOCK WAVES, 27(6), 879–888.

By: B. Tripathi n, D. Espindola n & G. Pinton n

author keywords: Shear shock waves; Traumatic brain injury; Piecewise parabolic method; Nonlinear shear waves
TL;DR: This work presents a piecewise parabolic method-based solver for one-dimensional linearly polarized nonlinear shear wave in a homogeneous medium and with empirical frequency-dependent attenuation, which is expected to be a starting point for the development of a two- and three-dimensional full-wave code for the propagation of non linear shear waves in heterogeneous media. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Shear Shock Waves Observed in the Brain

PHYSICAL REVIEW APPLIED, 8(4).

By: D. Espindola n, S. Lee n & G. Pinton n

TL;DR: An ultrasound imaging technique that is developed has a combination of penetration, frame-rate, and motion detection accuracy required to directly observe, for the first time, the formation and evolution of shear shock waves in the brain. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2016 conference paper

Large coherent apertures: Improvements in deep abdominal imaging and fundamental limits imposed by clutter

2016 ieee international ultrasonics symposium (ius).

By: N. Bottenus*, G. Pinton n & G. Trahey*

TL;DR: It is hypothesize that using a larger active aperture will improve image quality even in the presence of clutter and demonstrate improved image quality as described by resolution and lesion detectability with growing aperture size up to the full extent of the 10 cm aperture. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Numerical Simulation of Focused Shock Shear Waves in Soft Solids and a Two-Dimensional Nonlinear Homogeneous Model of the Brain

JOURNAL OF BIOMECHANICAL ENGINEERING-TRANSACTIONS OF THE ASME, 138(4).

MeSH headings : Biomechanical Phenomena; Brain / diagnostic imaging; Head Injuries, Closed; Humans; Linear Models; Models, Biological; Nonlinear Dynamics; Shear Strength; X-Ray Microtomography
TL;DR: Under realistic loading scenarios, with nonlinear properties consistent with measurements in the brain, and when the shock wave propagation distance and focal distance coincide, nonlinear propagation can easily overcome attenuation to generate shear shocks deep inside the brain. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2016 conference paper

Reverberation clutter and sources of image degradation in transcostal imaging

2016 ieee international ultrasonics symposium (ius).

By: G. Pinton n

TL;DR: The objective of this paper is to integrate the Fullwave nonlinear acoustic simulation tool with acoustical maps derived from the National Library of Medicine's Visible Human to generate highly realistic simulations of transcostal imaging. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Subresolution Displacements in Finite Difference Simulations of Ultrasound Propagation and Imaging

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL, 64(3), 537–543.

By: G. Pinton n

author keywords: Biomedical acoustics; biomedical imaging; elastography; numerical simulation
MeSH headings : Algorithms; Computer Simulation; Finite Element Analysis; Image Processing, Computer-Assisted / methods; Signal Processing, Computer-Assisted; Ultrasonography / methods
TL;DR: This paper presents a method to represent continuous and subresolution displacements by varying the impedance of individual elements in a multielement scatterer, and removes the limitations imposed by the discrete grid spacing by generating a continuum of displacements as measured by the backscattered signal. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2015 article

Three Dimensional Full-wave Nonlinear Acoustic Simulations: Applications to Ultrasound Imaging

RECENT DEVELOPMENTS IN NONLINEAR ACOUSTICS, Vol. 1685.

By: G. Pinton n

TL;DR: This paper demonstrates how finite difference simulations for the nonlinear acoustic wave equation can be used to generate physically realistic two and three dimensional ultrasound images with finite differences. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

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