Search Results - "Varray, F."

Computationally Efficient SVD Filtering for Ultrasound Flow Imaging and Real-Time Application to Ultrafast Doppler by Pialot, B., Guidi, F., Bonciani, G., Varray, F., Tortoli, P., Ramalli, A.

“…Over the past decade, ultrasound microvasculature imaging has seen the rise of highly sensitive techniques, such as ultrafast power Doppler (UPD) and…”
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3D passive cavitation imaging using adaptive beamforming and matrix array transducer with random apodization by Sivadon, A., Varray, F., Bera, J.C., Nicolas, B., Gilles, B.

“…With the development of promising cavitation-based treatments, the interest in cavitation monitoring with passive acoustic mapping (PAM) is significantly…”
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Sensitivity Enhancement Using Chirp Transmission for an Ultrasound Arthroscopic Probe by Pialot, B., Bernard, A., Liebgott, H., Varray, F.

“…Meniscal tear in the knee joint is a highly common injury that can require an ablation. However, the success rate of meniscectomy is highly impacted by…”
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Extensions of nonlinear B/A parameter imaging methods for echo mode by Varray, F, Basset, O, Tortoli, P, Cachard, C

“…This paper investigates nonlinear B/A parameter imaging in ultrasound echo mode. First, the B/A estimation methods which can be extended to echo mode are…”
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Weighting the Passive Acoustic Mapping Technique With the Phase Coherence Factor for Passive Ultrasound Imaging of Ultrasound-Induced Cavitation by Boulos, Paul, Varray, Franois, Poizat, Adrien, Ramalli, Alessandro, Gilles, Bruno, Bera, Jean-Christophe, Cachard, Christian

“…Ultrasound (US) cavitation is currently being explored for low-invasive therapy techniques applied to a wide panel of pathologies. Because of the random…”
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Multi-resolution transverse oscillation in ultrasound imaging for motion estimation by Varray, F., Liebgott, H.

“…Beyond all recent methods for estimating multidimensional motion vectors in ultrasound (US) image sequences, the transverse oscillation (TO) images coupled…”
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Experimental Implementation of a Pulse Compression Technique Using Coherent Plane-Wave Compounding by Benane, Yanis Mehdi, Bujoreanu, Denis, Lavarello, Roberto J., Varray, Francois, Escoffre, Jean-Michel, Novell, Anthony, Cachard, Christian, Basset, Olivier

“…The axial resolution of an ultrasound imaging system is inversely proportional to the bandwidth of the emitted signal. When conventional pulsing (CP) is used,…”
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Fundamental and second-harmonic ultrasound field computation of inhomogeneous nonlinear medium with a generalized angular spectrum method by Varray, F., Ramalli, A., Cachard, C., Tortoli, P., Basset, O.

“…The simulation of nonlinear propagation of ultrasound waves is typically based on the Kuznetsov-Zabolotskaya- Khokhlov equation. A set of simulators has been…”
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CREANUIS: A Nonlinear Radio Frequency Ultrasound Image Simulator by Varray, F., Basset, O., Tortoli, Piero, Cachard, Christian

“…Nonlinear ultrasound methods are widely used in clinical applications for tissue or contrast harmonic imaging. Accurate non-linear imaging simulation tools are…”
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Ultrasound contrast imaging: influence of scatterer motion in multi-pulse techniques by Fanglue Lin, Cachard, Christian, Mori, Riccardo, Varray, Francois, Guidi, Francesco, Basset, Olivier

“…In ultrasound contrast imaging, many techniques based on multiple transmissions have been proposed to increase the contrast-to-tissue ratio (CTR). They are…”
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Generalization of Multipulse Transmission Techniques for Ultrasound Imaging by Lin, Fanglue, Cachard, Christian, Varray, François, Basset, Olivier

“…To increase the contrast-to-tissue ratio (CTR) in contrast imaging or the signal-to-noise ratio (SNR) in tissue harmonic imaging, many multipulse transmission…”
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Spectrophotometry and Photoacoustic Imaging: A Comparative Study by Dolet, A., Varray, F., Roméo, E., Dehoux, T., Vray, D.

“…Photoacoustic imaging is a hybrid modality that is used to image biological tissues. Using multispectral optical excitation, a functional image is obtained due…”
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Nonlinear acoustic propagation simulation tools: Comparison of BBGASM and INCS up to the fifth harmonic component by Varray, F., Basset, O., Cachard, C., Demi, L., van Dongen, K. W. A., Verweij, M. D.

“…The linear propagation of ultrasound in tissue is a simplification of reality because harmonics are formed during propagation. Following the increase of…”
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Local Orientation Imaging for Tissue Structure Using Ultrasound Imaging by Turquin, E., Petrusca, L., Bernard, O., Viallon, M., Liebgott, H., Varray, F.

“…Cardiovascular diseases and myocardium infarction are main causes of death worldwide. After acute myocardium infarction, remodeling occurs within weeks…”
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Acoustic nonlinearity parameter of tissue on echo mode: review and evaluation of the different approaches for B/A imaging by Varray, F, Pasovic, M, Cachard, Christian, Tortoli, Piero, Basset, Olivier

“…The nonlinear B/A parameter induces the distortion of ultrasound waves in tissue. Media with different nonlinear parameter differently distort the ultrasound…”
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A nonlinear ultrasound propagation simulator using the Slowly Varying Envelope Approximation by Marti, Clément, Varray, François, Cachard, Christian

“…Traditional ultrasound imaging takes into account linear propagation only. However, new methods seek to exploit the nonlinear properties of tissues, which…”
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Multi resolution transverse oscillations for motion estimation in ultrasound images by Varray, F., Basset, O., Cachard, C., Liebgott, H.

“…In recent work, motion estimation in ultrasound (US) image sequences has been conducted thanks to a phase based motion estimator working with the so-called…”
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Abstracts: Tools to facilitate ablation procedures by Schwagten, B., Schwagten, B. K. R., Szili-Torok, T., Rivero-Ayerza, M., Thornton, A., Van Belle, Y., Jordaens, L., Leiria, T. L. L., Kus, T., Hadjis, T. A., Essebag, V., Sturmer, M. L., Soubelet, E., Krum, D., Delavelle, A., Varray, F., Hare, J., Vaillant, R., Choudhuri, I., Sra, J., Vollmann, D., Luethje, L., Seegers, J., Hasenfuss, G., Zabel, M., Johar, S., Jones, D. G., Lyne, J. C., Kaba, R. A., Wong, T., Markides, V., Clague, J. R., Ernst, S., Hlivak, P., Mlcochova, H., Peichl, P., Cihak, R., Wichterle, D., Kautzner, J.

“…Abstract only…”
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Influence of Beamforming Methods on Velocity Estimation: In Vitro Experiments by Polichetti, Maxime, Perrot, Vincent, Liebgott, Herve, Nicolas, Barbara, Varray, Francois

“…Many beamforming methods have been developed for ultrasound B-mode imaging, as an alternative to conventional Delay-And-Sum (DAS) algorithm. Fourier-based…”
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Evaluation of a frequency-domain ultrasonic imaging attenuation compensation technique by Rouyer, Julien, Varray, Francois, Pozo, Edmundo, Basset, Olivier, Cachard, Christian, Lavarello, Roberto

“…Ultrasound attenuation is typically compensated for in clinical scanners by using time gain compensation (TGC). However, TGC operates in a…”
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