Brain palpation from physiological vibrations using MRI
A Zorgani, R Souchon, AH Dinh… - Proceedings of the …, 2015 - National Acad Sciences
We present a magnetic resonance elastography approach for tissue characterization that is
inspired by seismic noise correlation and time reversal. The idea consists of extracting the …
inspired by seismic noise correlation and time reversal. The idea consists of extracting the …
Focal spot imaging based on zero lag cross‐correlation amplitude fields: Application to dense array data at the San Jacinto fault zone
G Hillers, P Roux, M Campillo… - Journal of Geophysical …, 2016 - Wiley Online Library
We image the subsurface below a dense seismic array straddling the Clark branch of the
San Jacinto fault zone in Southern California. The analysis is based on focal spots of surface …
San Jacinto fault zone in Southern California. The analysis is based on focal spots of surface …
Shear wave elastography based on noise correlation and time reversal
Shear wave elastography (SWE) relies on the generation and tracking of coherent shear
waves to image the tissue's shear elasticity. Recent technological developments have …
waves to image the tissue's shear elasticity. Recent technological developments have …
Tomography from diffuse waves: Passive shear wave imaging using low frame rate scanners
We present an approach to extract from the local measurement of a complex field a
wavelength tomography. In contrast with noise correlation techniques developed in recent …
wavelength tomography. In contrast with noise correlation techniques developed in recent …
[HTML][HTML] Longitudinal shear wave and transverse dilatational wave in solids
S Catheline, N Benech - The Journal of the Acoustical Society of …, 2015 - pubs.aip.org
Dilatation wave involves compression and extension and is known as the curl-free solution
of the elastodynamic equation. Shear wave on the contrary does not involve any change in …
of the elastodynamic equation. Shear wave on the contrary does not involve any change in …
Enhanced instantaneous elastography in tissues and hard materials using bulk modulus and density determined without externally applied material deformation
Ultrasound is a continually develo** technology that is broadly used for fast, non-
destructive mechanical property detection of hard and soft materials in applications ranging …
destructive mechanical property detection of hard and soft materials in applications ranging …
Super-resolution limit of shear-wave elastography
C Zemzemi, A Zorgani, L Daunizeau… - Europhysics …, 2020 - iopscience.iop.org
When a wave field is measured within a propagative medium, it is widely accepted that the
resulting image resolution depends on the measuring point density, and no longer on the …
resulting image resolution depends on the measuring point density, and no longer on the …
Seismic surface wave focal spot imaging: numerical resolution experiments
B Giammarinaro, C Tsarsitalidou… - Geophysical Journal …, 2023 - academic.oup.com
Numerical experiments of seismic wave propagation in a laterally homogeneous layered
medium explore subsurface imaging at subwavelength distances for dense seismic arrays …
medium explore subsurface imaging at subwavelength distances for dense seismic arrays …
Magnetic microelastography for evaluation of ultrasound-induced softening of pancreatic cancer spheroids
Pancreatic ductal adenocarcinoma is a devastating disease with very low survival rates 5
years after diagnosis. The main reason for this dismal prognosis is the thick stroma which …
years after diagnosis. The main reason for this dismal prognosis is the thick stroma which …
[HTML][HTML] Investigating the lateral resolution of the Rayleigh wave focal spot imaging technique using two-dimensional acoustic simulations
B Giammarinaro… - Comptes …, 2024 - comptes-rendus.academie-sciences …
We investigate the lateral resolution power of the seismic Rayleigh wave focal spot imaging
technique. We use two-dimensional acoustics simulations in a closed cavity for the passive …
technique. We use two-dimensional acoustics simulations in a closed cavity for the passive …