Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Samuel H. Maslak"'
Autor:
Wesley Lee, Katherine K. Minton, James J. Perez, Alfred Abuhamad, Joseph R. Wax, Samuel H. Maslak, Bryann Bromley, Peter M. Doubilet, John S. Pellerito, Eric Savitsky, Carol B. Benson, Norman A. Scarborough, Brian D. Coley, Beryl R. Benacerraf
Publikováno v:
Journal of Ultrasound in Medicine. 37:7-18
The Beyond Ultrasound First Forum was conceived to increase awareness that the quality of obstetric and gynecologic ultrasound can be improved, and is inconsistent throughout the country, likely due to multiple factors, including the lack of a standa
Publikováno v:
The Journal of the Acoustical Society of America. 115:965
An ultrasound imaging system is programmed to acquire first ultrasonic image frames intermittently. These first frames, typically triggered frames synchronized with a selected portion of an ECG cycle, are optimized for high image quality of a contras
Publikováno v:
The Journal of the Acoustical Society of America. 113:2967
A medical diagnostic ultrasound imaging method fires a sequence of pulses into a body and then receives, beamforms, weights and sums the resulting echo signals to suppress first order echoes. The sequence of pulses includes at least two pulses that d
Publikováno v:
The Journal of the Acoustical Society of America. 113:697
A three-state, pulse width modulated, bipolar waveform is constructed by summing a first component with an inverted, time-shifted version of the first component. By properly selecting the time interval for the time shift of the second component, freq
Publikováno v:
The Journal of the Acoustical Society of America. 112:363
The invention is directed to improvements in diagnostic medical ultrasound contrast agent imaging. In a preferred embodiment, high pulse repetition frequency (HPRF) destruction pulses are fired at a rate higher than necessary for receiving returning
Publikováno v:
The Journal of the Acoustical Society of America. 112:806
Ultrasound data is generated by a receive beamformer. Ultrasound image processing is applied to the ultrasound data for presentation of an image. Various ones of the ultrasound image processing steps may be reversed. For example, persistence processi
Publikováno v:
The Journal of the Acoustical Society of America. 102:27
There is provided a transducer array with a plurality of piezoelectric elements having a minimum and maximum thickness. In one embodiment, the maximum thickness is less than or equal to 140 percent of the minimum thickness. In an alternate embodiment
Publikováno v:
The Journal of the Acoustical Society of America. 101:3239
An ultrasonic receive beamformer includes transducers forming receive signals that are applied to sub-array processors. Each sub-array processor includes at least one phase shifter and a summer, and each phase shifter is responsive to at least one of
Publikováno v:
The Journal of the Acoustical Society of America. 101:3238
A method and an apparatus are provided for dynamic, real-time adaptive focusing for ultrasound imaging. Aberration delay correction values, corresponding to an aberration region in an imaged subject, are measured concurrently during B-mode imaging sc
Publikováno v:
The Journal of the Acoustical Society of America. 101:2431
Method for scanning a field of view using a scan format, wherein the carrier frequency of the imaging pulse is higher in the center of the field of view than at the edges. The frequency variation can be accomplished on transmit by modulating appropri