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High-speed ultrasound volumetric imaging system. I. Transducer design and beam steering
Transducer design and phased array beam steering are developed for a volumetric ultrasound scanner that enables the 3-D visualization of dynamic structures in real time. The authors describe theExpand
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Speckle Pattern Correlation with Lateral Aperture Translation: Experimental Results and Implications for Spatial Compounding
In order to design improved spatial compounding ultra- sound scanning systems it is necessary to determine the correlation of speckle patterns as a function of aperture translation. We have con-Expand
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High-speed ultrasound volumetric imaging system. II. Parallel processing and image display
For pt.I see ibid., vol.38, no.2, p.100-8 (1991). The authors describe the design, application, and evaluation of parallel processing to the high-speed volumetric ultrasound imaging system. TheExpand
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Theory and operation of 2-D array piezoelectric micromachined ultrasound transducers
Piezoelectric micromachined ultrasound transducers (pMUTs) are a new approach for the construction of 2-D arrays for forward-looking 3-D intravascular (IVUS) and intracardiac (ICE) imaging.Expand
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FLASH correlation: a new method for 3-D ultrasound tissue motion tracking and blood velocity estimation
We report a new method for tracking tissue motion and blood flow in three dimensions (3-D) using successive volumetric ultrasound scans. The method is based on combining the concepts of featureExpand
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Angular Response of Piezoelectric Elements in Phased Array Ultrasound Scanners
Abstruct-In the design of phased linear array sector scanners for medical applications, it is important to preserve uniform response at each angle throughout the sector scan of k45". Examination ofExpand
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Two-Dimensional Arrays for Medical Ultrasound
The design, fabrication and evaluation of two-dimensional transducer arrays are described for medical ultrasound imaging. A 4 × 32, 2.8 MHz array was developed to use new signal processing techniquesExpand
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5I-4 Piezoelectric Micromachined Ultrasound Transducer (pMUT) Arrays for 3D Imaging Probes
Piezoelectric micromachined ultrasound transducers (pMUTs) have been fabricated and characterized in this work as a new approach for manufacture of 2D arrays for forward-looking 3D intravascularExpand
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Interactive volume rendering of real-time three-dimensional ultrasound images
Real-time, three-dimensional (RT3D) ultrasound allows video frame rate volumetric imaging. The ability to acquire full three-dimensional (3-D) image data in real-time is particularly helpful forExpand
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A multiple frequency array for improved diagnostic imaging
Cost and complexity of phased array diagnostic ultrasound imaging systems is related to the number of parallel channels during both transmit and receive. If the total numberofa ctive elements withinExpand
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