Search Results - "LeCarpentier, G. L."

Semiautomatic registration of volumetric ultrasound scans by Meyer, C R, Boes, J L, Kim, B, Bland, P H, Lecarpentier, G L, Fowlkes, J B, Roubidoux, M A, Carson, P L

“…We demonstrate the ability to register easily and accurately volumetric ultrasound scans without significant data preprocessing or user intervention. Two…”
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Discrimination of sonographically detected breast masses using frequency shift color Doppler imaging in combination with age and gray scale criteria by Bhatti, P. T, LeCarpentier, G. L, Roubidoux, M. A, Fowlkes, J. B, Helvie, M. A, Carson, P. L

“…Frequency shift color Doppler imaging was assessed in conjunction with patient age and gray scale (GS) features for discriminating benign from malignant breast…”
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Continuous wave laser ablation of tissue: analysis of thermal and mechanical events by LeCarpentier, G.L., Motamedi, M., McMath, L.P., Rastegar, S., Welch, A.J.

“…Porcine aortae, collagen fibers, and polyacrylamide control samples were subjected to argon laser irradiation while infrared and high-speed video cameras were…”
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Rapid 3-D Imaging of Contrast Flow: Application in a Perfused Kidney Phantom by Chen, N.G, Fowlkes, J.B, Carson, P.L, Schipper, M.J, LeCarpentier, G.L

“…Abstract Previous studies indicate imaging of ultrasound contrast in 3-D is potentially superior to 2-D imaging for vascular characterization. A dual-beam,…”
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Laser thermal ablation by Welch, A J, Motamedi, M, Rastegar, S, LeCarpentier, G L, Jansen, D

“…Continuous wave and pulsed laser ablation of tissue is described as an explosive event. A subsurface temperature maximum and superheated tissue produce high…”
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Rapid elastic image registration for 3-D ultrasound by Krucker, J.F., LeCarpentier, G.L., Fowlkes, J.B., Carson, P.L.

“…A Subvolume-based algorithm for elastic Ultrasound REgistration (SURE) was developed and evaluated. Designed primarily to improve spatial resolution in…”
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TU‐E‐201C‐09: Photoacoustic Tomography for Imaging in the Mammographic Geometry by Carson, PL, Wang, X, Xie, Z, Morris, RF, Hooi, FM, Padilla, FR, LeCarpentier, GL, Fowlkes, JB, Roubidoux, MA

“…Purpose: To add spectroscopic photoacoustic tomography (S‐PAT) to an ultrasound imaging system in the mammographic geometry to test whether this minimally…”
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3D spatial compounding of ultrasound images using image-based nonrigid registration by Krücker, J F, Meyer, C R, LeCarpentier, G L, Fowlkes, J B, Carson, P L

“…Medical ultrasound images are often distorted enough to significantly limit resolution during compounding (i.e., summation of images from multiple views). A…”
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Differentiation of sinus tachycardia from ventricular tachycardia with 1:1 ventriculoatrial conduction in dual chamber implantable cardioverter defibrillators: feasibility of a criterion based on the atrioventricular interval by LeCarpentier, G L, Baga, J J, Yang, H, Steinman, R T, Meissner, M D, Lehmann, M H

“…Tachycardia discrimination in future implantable cardioverter defibrillators (ICDs) is likely to be enhanced by the addition of an atrial sensing/pacing lead…”
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Breast ultrasound image improvement by pixel compounding of compression sequence by Zhi Yang, Sinha, S.P., Booi, R.C., Roubidoux, M.A., Bing Ma, Fowlkes, J.B., LeCarpentier, G.L., Carson, P.L.

“…Pixel compounding is a technique that synthesizes the information of an image sequence involving slow decorrelation of the speckle to form a detail-recovered…”
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Sex differences in the rate of cardiac repolarization by Yang, H, Elko, P, LeCarpentier, G L, Baga, J, Fromm, B, Steinman, R T, Lehmann, M H

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Evaluation of thin compression paddles for mammographically compatible ultrasound by Booi, R.C., Krucker, J.F., Goodsitt, M.M., O'Donnell, M.O., LeCarpentier, G.L., Roubidoux, M.A., Fowlkes, J.B., Carson, P.L.

“…We are developing a combined digital mammography/3D ultrasound system for breast cancer imaging to better detect and/or characterize breast lesions. Scanning a…”
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Rapid 3D Imaging of Contrast Flow: Application in a Perfused Kidney Phantom by Chen, NG, Fowlkes, JB, Carson, PL, Schipper, MJ, LeCarpentier, GL

“…Previous studies indicate imaging of ultrasound contrast in 3D is potentially superior to 2D imaging for vascular characterization. A dual beam, dynamic refill…”
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Computerized characterization of breast masses on three-dimensional ultrasound volumes by Sahiner, Berkman, Chan, Heang-Ping, Roubidoux, Marilyn A., Helvie, Mark A., Hadjiiski, Lubomir M., Ramachandran, Aditya, Paramagul, Chintana, LeCarpentier, Gerald L., Nees, Alexis, Blane, Caroline

“…We are developing computer vision techniques for the characterization of breast masses as malignant or benign on radiologic examinations. In this study, we…”
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Rapid 3D Imaging of Contrast Flow: Demonstration of a Dual Beam Technique by Chen, Nelson G, Fowlkes, J. Brian, Carson, Paul L, LeCarpentier, Gerald L

“…Abstract Perfusion imaging in a 3D volume using ultrasound contrast agent may improve vascular characterization compared with 2D imaging. Conventional 3D…”
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Combination of Digital Mammography with Semi-automated 3D Breast Ultrasound by Kapur, Ajay, Carson, Paul L., Eberhard, Jeffrey, Goodsitt, Mitchell M., Thomenius, Kai, Lokhandwalla, Murtuza, Buckley, Donald, Roubidoux, Marilyn A., Helvie, Mark A., Booi, Rebecca C., LeCarpentier, Gerald L., Erkamp, Ramon Q., Chan, Heang-Ping, Fowlkes, J. Brian, Thomas, Jerry A., Landberg, Cynthia E.

“…This paper describes work aimed at combining 3D ultrasound with full-field digital mammography via a semi-automatic prototype ultrasound scanning mechanism…”
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Sonographic Evaluation of Early-Stage Breast Cancers That Undergo Neoadjuvant Chemotherapy by Roubidoux, Marilyn A, LeCarpentier, Gerald L, Fowlkes, J. Brian, Bartz, Brett, Pai, Deepa, Gordon, Sasha P, Schott, Anne F, Johnson, Timothy D, Carson, Paul L

“…Objective We prospectively evaluated low‐stage breast cancers treated with neoadjuvant chemotherapy using whole‐volume sonography and color Doppler imaging…”
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Dual sided automated ultrasound system in the mammographic geometry by Carson, P. L., Zafar, F., Verweij, S. A. M., Won Mean Lee, Goodsitt, M. M., LeCarpentier, G. L., Sinha, S., Fong Ming Hooi, Roubidoux, M., Fowlkes, J. B.

“…This paper reports design and performance of an ultrasound system for automated breast imaging from both sides of the breast in standard mammographic views. A…”
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Rapid image registration for 3D ultrasound compounding by Kucker, J.F., Carson, P.L., LeCarpentier, G.L., Fowlkes, J.B., Meyer, C.R.

“…A Subvolume-based algorithm for Ultrasound REgistration (SURE) has been developed and tested using artificially deformed in vivo ultrasound scans. SURE works…”
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The effect of wavelength on ablation mechanisms during CW laser irradiation: argon versus Nd:YAG (1.32 mu m) by LeCarpentier, G.L., Motamedi, M., McMath, L.P., Welch, A.J.

“…Some of the wavelength-dependent physical phenomena associated with continuous wave (CW) laser ablation are studied. Porcine aortae were irradiated with CW…”
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