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A novel method for angle independent ultrasonic imaging of blood flow and tissue motion
  • L. N. Bohs, G. Trahey
  • Computer Science, Medicine
  • IEEE Transactions on Biomedical Engineering
  • 1 March 1991
A simple algorithm for angle independent motion imaging is described. Expand
  • 476
  • 18
Speckle tracking for multi-dimensional flow estimation.
Speckle tracking methods overcome the major limitations of current Doppler methods for flow imaging and quantification: angle dependence and aliasing. Expand
  • 248
  • 10
  • PDF
A real time system for quantifying and displaying two-dimensional velocities using ultrasound.
This paper describes a system that has been developed for measuring two-dimensional velocities in real time using ultrasound using ultrasound. Expand
  • 113
  • 5
Experimental velocity profiles and volumetric flow via two-dimensional speckle tracking.
The performance of a two-dimensional speckle tracking system in measuring in vitro laminar flow is evaluated. The system uses a pattern matching algorithm to track subresolution-sized speckle regionsExpand
  • 101
  • 4
Ensemble tracking for 2D vector velocity measurement: Experimental and initial clinical results
We describe a new method, called ensemble tracking, for estimating two-dimensional velocities with ultrasound. Compared to previous speckle tracking techniques, ensemble tracking measures motion overExpand
  • 46
  • 3
Speckle decorrelation due to two-dimensional flow gradients
The performance of ultrasonic velocity estimation methods is degraded by speckle decorrelation, the change in received echoes over time. Because ultrasonic speckle is formed by the complex sum ofExpand
  • 77
  • 2
2-D motion estimation using two parallel receive beams
We describe a method for estimating 2-D target motion using ultrasound. The method is based on previous ensemble tracking techniques, which required at least four parallel receive beams and 2-DExpand
  • 24
  • 1
Phase Aberration Correction Using Echo Signals from Moving Targets I: Description and Theory
Inhomogeneous acoustic velocity in human tissue introduces phase aberration in ultrasonic imaging systems and degrades image quality. A novel technique that employs echo signals from moving diffuseExpand
  • 11
  • 1
Three-dimensional flow images by reconstruction from two-dimensional vector velocity maps.
A method for constructing three-dimensional images of flow is described. The technique involves the acquisition of numerous closely spaced planes, each comprised of a map of the two-dimensionalExpand
  • 19
Real-time system for angle-independent US of blood flow in two dimensions: initial results.
The authors developed an ultrasound system that enables the speckle patterns produced by echoes from moving blood to be tracked in real time. Unlike current color Doppler flow imagers, this systemExpand
  • 21