"A Locally Quadratic Model of the Motion Estimation Error Criterion Function and Its Application to Subpixel Interpolations", Xiaoming Li and Cesar Gonzales, IEEE Transactions On Circuits And Systems For Video Technology, vol. 6, No. 1, Feb. 1996, pp. 118-122. |
"A Novel Method for Angle Independent Ultrasonic Imaging of Blood Flow and Tissue Motion", Laurence N. Bohs and Gregg E. Trahey, IEEE Transactions On Biomedical Engineering, vol. 38, No. 3, Mar. 1991, pp. 280-286. |
B. Schrope, et al., "Simulated Capillary Blood Flow Measurement Using A Nonlinear Ultrasonic Contrast Agent," Ultrasonic Imaging 14 (1992). |
Chandra M. Sehgal, PhD., et al., "Sonographic Enhancement of Renal Cortex by Contrast Media." J. Ultrasound Med, 14; pp. 741-748 (1995). |
Chandra M. Sehgal, PhD., et al., "Influence of Postprocessing Curves on Contrast-Echographic Imaging: Preliminary Studies" J. Ultrasound Med, 14; pp. 735-740 (1995). |
Chiang C. Mei, et al., "Parametric resonance of a spherical bubble." J. Fluid Mech. (1991) vol. 229. |
Deborah J. Rubens, M.D., "Sonoelasticity Imaging of Prostate Cancer: In Vitro Results." Radiology, vol. 195, No. 2, 1995. |
Eric J. Chen, et al., "Young's Modulus Measurements of Soft Tissues with Application to Elasticity Imaging." IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 43, No. 1, Jan. 1996. |
Fred Lee, Jr., M.D., "Sonoelasticity Imaging: Results in in Vitro Tissue Specimens." Radiology, vol. 181, No. 1, Oct. 1991. |
H. Edward Karrer, et al., "A Phased Array Acoustic Imaging System for Medical Use." 1980 Ultrasonics Symposium. |
"HP Ultrasound Technologies--Viability." About HP Ultrasound Imaging, WWW document 1997. |
Image Sequence Analysis, T.S. Huang, Springer Series in Information Sciences, New York 1981, vol. 5, pp. 229-309. |
"Interframe Interpolation of Cinematic Sequences", J. Ribas-Corbera and J. Sklansky, Journal Of Visual Communication And Image Representation, vol. 4, No. 4, Dec. 1993, pp. 392-406. |
J. Ophir, et al., "Elastography: A Quantitative Method for Imaging the Elasticity of Biological Tissues." Ultrasonic Imaging 13, (1991). |
J. W. Norris, "The non-linear oscillation of radially symmetric bubble in a time periodic pressure field." Dynamics and Stability of Systems, vol. 9, No. 1 (1994). |
J.A. Hossack, et al., "Improving transducer performance using multiple active layers." SPIE vol. 1733 (1992). |
Janet B. Jones-Oliveira, et al., "Transient fluid--solid interaction of submerged spherical shells revisited: Proliferation of frequencies and acoustic radiation effects." Acoustical Society of America, 96(2) Pt. 1, Aug. 1994. |
John A. Hossack, et al., "Improving the Characteristics of a Transducer Using Multiple Piezoelectric Layers." IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 40, No. 2, Mar. 1993. |
K.J. Parker, et al., "Tissue Response to Mechanical Vibrations for `Sonoelasticity Imaging`." Ultrasound in Med. & Biol., vol. 16, No. 3, (1990). |
Ken Ishihara et al., "New Approach to Noninvasive Manometry Based on Pressure Dependent Resonant Shift of Elastic Microcapsules in Ultrasonic Frequency Characteristics." Japanese J. of Applied Physics, vol. 2 (1988). |
Kevin J. Parker, PhD, et al., "Sonoelasticity of Organs: Shear Waves Ring a Bell." J. Ultrasound Med. 11 (1992). |
Kotaro Sato, et al., "Numerical analysis of a gas bubble near a rigid boundary in an oscillatory pressure field." J. Acoustical Society of America, 95(5), May 1994. |
L.W. Anson et al., "Ultrasonic scattering from spherical shells including viscous and thermal effects." J. Acoustical Society of America, 93(4), Apr. 1993. |
Marc Gensane, "Bubble population measurements with a parametric array." 1994 Acoustical Society of America, 95 (6) Jun. |
Michael S. Longuet-Higgins, Resonance in nonlinear bubble oscillations. J. Fluid Mech. (1991) vol. 224. |
Michalakis A. Averkiou, et al., "Self-demodulation of amplitude-and frequency-modulated pulses in a thermoviscous fluid." J. Acoustical Society of America, 94 (5), Nov. 1993. |
Nico de Jong, "Physical properties and technical aspects of ultrasound contrast agents." |
Pi Hsien Chang, et al., "Second Harmonic Imaging and Harmonic Doppler Measurements with Albunex." IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 42, No. 6, Nov. 1996. |
"Restoration of the Velocity Field of the Heart from Two-Dimensional Echocardiograms", Guy E. Mailloux, Francis Langlois, Patrice Y. Simard, and Michel Bertrand, IEEE Transactions On Medical Imaging, vol. 8, No. 2, Jun. 1989, pp. 143-153. |
Robert M. Lerner, et al., "`Sonoelasticity` Images Derived from Ultrasound Signals in Mechanically Vibrated Tissues." Ultrasound in Med. and Biol., vol. 16, No. 3, 1990. |
Sharon L. Mulvagh, M.D., et al., "Abstract Session IV Contrast and Ischemia." Journal of the American Society of Echocardiography, vol. 8, No. 3, May 1995. |
Shmuel Gottlieb, M.D. et al., "Effect of Pressure on Echocardiographic Videodensity from Sonicated Albumin: An In Vitro Model." J. Ultrasound Med. 14 (1995). |
"Supplement to Journal of the American College of Cardiology." American College of Cardiology, 45.sup.th Annual Scientific Session, Mar. 24-27, 1996 pp. 21A, 63A, 239-240A. |
T.G. Leighton, "Transient excitation of isonated bubbles." Research Notes. |
Ted Christopher, "Finite Amplitude Distortion-Based Inhomogeneous Pulse Echo Ultrasonic Imaging." IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 44, No. 1, Jan. 1997. |
V.L. Newhouse et al., "Bubble size measurements using the nonlinear mixing of two frequencies." J. Acoust. Soc. Am. 75 (5), May 1984. |
Vokmar Uhlendorf, et al., "Nonlinear Acoustical Response of Coated Microbubbles in Diagnostic Ultrasound." IEEE 1994 Ultrasonics Symposium. |
William Armstrong, M.D., et al., "American Society of Echocardiography Position Paper on Contrast Echocardiography." draft 1--Jun. 6, 1994. |
Yang-Sub Lee, et al., "Time-domain modeling of pulsed finite-amplitude sound beams." J. Acoustical Society of America, 97 (2), Feb. 1995. |