Search Results - "Minonzio, J. G."

Bone cortical thickness and porosity assessment using ultrasound guided waves: An ex vivo validation study by Minonzio, J.-G., Bochud, N., Vallet, Q., Bala, Y., Ramiandrisoa, D., Follet, H., Mitton, D., Laugier, P.

“…Several studies showed the ability of the cortex of long bones such as the radius and tibia to guide mechanical waves. Such experimental evidence has given…”
Get full text

Ultrasound‐Based Estimates of Cortical Bone Thickness and Porosity Are Associated With Nontraumatic Fractures in Postmenopausal Women: A Pilot Study by Minonzio, J‐G, Bochud, N, Vallet, Q, Ramiandrisoa, D, Etcheto, A, Briot, K, Kolta, S, Roux, C, Laugier, P

“…ABSTRACT Recent ultrasound (US) axial transmission techniques exploit the multimode waveguide response of long bones to yield estimates of cortical bone…”
Get full text

Genetic algorithms-based inversion of multimode guided waves for cortical bone characterization by Bochud, N, Vallet, Q, Bala, Y, Follet, H, Minonzio, J-G, Laugier, P

“…Recent progress in quantitative ultrasound has exploited the multimode waveguide response of long bones. Measurements of the guided modes, along with suitable…”
Get more information

Low frequency cMUT technology: Application to measurement of brain movement and assessment of bone quality by Certon, D, Ternifi, R, Boulme, A, Legros, M, Minonzio, J.-G, Talmant, M, Patat, F, Remenieras, J.-P

“…Abstract Following recent advances in medical ultrasound imaging methods almost all human tissues can currently be examined. There are, however, two…”
Get full text

Theory of the Time-Reversal Operator for a Dielectric Cylinder Using Separate Transmit and Receive Arrays by Minonzio, J.-G., Davy, M., de Rosny, J., Prada, C., Fink, M.

“…The DORT method applies to scattering analysis with arrays of transceivers. It consists in the study of the time-reversal invariants. In this paper, a large…”
Get full text

Dispersion curve measurements of a fluid filled femoral neck mimicking phantom by Nauleau, P., Grimal, Q., Minonzio, J.-G, Prada, C., Laugier, P.

“…Quantitative ultrasonic measurements at the hip are supposed to improve fracture risk prediction. The cortical shell of the femoral neck is now known to behave…”
Get full text

Ultrasound-based estimates of cortical bone thickness and porosity are associated with non-traumatic fractures in postmenopausal women: A pilot study by Minonzio, J-G, Bochud, N, Vallet, Q, Ramiandrisoa, D, Etcheto, A, Briot, K, Kolta, S, Roux, C, Laugier, P

“…Recent ultrasound axial transmission techniques exploit the multimode waveguide response of long bones to yield estimates of cortical bone structure…”
Get full text

Ex Vivo Radius Fracture Discrimination from Cortical Thickness and Porosity Obtained by Axial Transmission by Minonzio, J.G., Zapata, E., Bochud, N., Vallet, Q., Rongieras, F., Pialat, J.B., Follet, H., Mitton, D.

“…Structural decay of bone is not fully assessed by current current X-ray gold standard, i.e., Dual X-ray absorptiometry (DXA), and there is an unmet need in…”
Get full text

Guided wave phase velocity measurement using multi-emitter and multi-receiver arrays in the axial transmission configuration by Minonzio, Jean-Gabriel, Talmant, Marilyne, Laugier, Pascal

“…This paper is devoted to a method of extraction of guided waves phase velocities from experimental signals. Measurements are performed using an axial…”
Get full text

Impact of attenuation on guided mode wavenumber measurement in axial transmission on bone mimicking plates by Minonzio, Jean-Gabriel, Foiret, Josquin, Talmant, Maryline, Laugier, Pascal

“…Robust signal processing methods adapted to clinical measurements of guided modes are required to assess bone properties such as cortical thickness and…”
Get full text

Decomposition of the time-reversal operator applied to quantitative characterization of small elastic cylinders by Minonzio, J.-G., Prada, C., Fink, M.

Get full text

Dispositif pour la détermination de facteurs de qualité osseuse (épaisseurs corticales, vitesses) par ultrasons : approche multimodale et multifréquence : le projet ANR-TecSan EVA by Talmant, M, Defontaine, M, Certon, D, Férin, G, Dufait, R, Minonzio, J.-G, Pham, T.-L, Laugier, P

“…Résumé Le projet EVA (2007–2009) a été retenu suite à l’appel 2006 ANR-TecSan. Il a été conduit par le laboratoire d’imagerie paramétrique et réalisé en…”
Get full text

Prospective discrimination of vertebral fractures by axial transmission ultrasound using optimized first arriving signal velocity measurements by Schneider, J., Raum, K., Pumberger, M., Zippelius, T., Hoff, E., Strube, P., Putzier, M., Minonzio, J. G., Laugier, P.

“…The objective of this study is to assess the clinical performance of a novel bi-directional axial transmission (BDAT) ultrasound prototype. The speed of sound…”
Get full text

Application of the DORT method to the detection and characterization of two targets in a shallow water wave-guide by Minonzio, J.-G., Clorennec, D., Aubry, A., Folegot, T., Pelican, T., Prada, C., de Rosny, J., Fink, M.

“…The decomposition of the time-reversal operator (DORT in French) is an active array detection technique. It requires the measurement of the array response…”
Get full text

Multisite ultrasound axial transmission study in postmenopausal women using optimized first arriving signal velocity measurements by Schneider, J., Varga, P., Raum, K., Zippelius, T., Hoff, E., Strube, P., Pumberger, M., Putzier, M., Minonzio, J. G., Laugier, P.

“…The objective of this study is to assess the clinical performance of a novel ultrasound bidirectional axial transmission (BDAT) prototype. The speed of sound…”
Get full text

Circumferential guided wave measurement in a cortical bone-mimicking cylindrical phantom by Nauleau, P., Cochard, E., Minonzio, J., Grimal, Q., Prada, C., Laugier, P.

“…It is well accepted that direct quantitative ultrasound (QUS) measurements at the hip may improve osteoporotic fracture risk prediction. It has recently been…”
Get full text

Guided waves analysis using multiemitter and multireceiver arrays by Minonzio, Jean-Gabriel, Talmant, Marilyne, Laugier, Pascal

“…Structural and material properties of elastic waveguides can be characterized by fitting measured to theoretical guided wave phase velocities. Here emitters…”
Get full text

Characterization of an elastic target in a shallow water waveguide by decomposition of the time-reversal operator by Philippe, Franck D., Prada, Claire, de Rosny, Julien, Clorennec, Dominique, Minonzio, Jean-Gabriel, Fink, Mathias

“…This paper reports the results of an investigation into extracting of the backscattered frequency signature of a target in a waveguide. Retrieving the target…”
Get full text

Non-invasive assessment of human ribs mechanical properties by Tran, D., Bruyere-Garnier, K., Didier, A. L., Minonzio, J. G., Foiret, J., Vilayphiou, N., Talmant, M., Laugier, P., Mitton, D.

Get full text

Study of the invariants of the time-reversal operator for a dielectric cylinder using separate transmit and receive arrays: theory and experiments by Davy, M., Minonzio, J.-G.

“…In this paper, the DORT method applies to scattering analysis with arrays of transceivers. A large dielectric cylinder is observed by separate transmit and…”
Get full text