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View article: Spatial Coherence Adaptive Clutter Filtering in Color Flow Imaging—Part I: Simulation Studies
Spatial Coherence Adaptive Clutter Filtering in Color Flow Imaging—Part I: Simulation Studies Open
The appropriate selection of a clutter filter is critical for ensuring the accuracy of velocity estimates in ultrasound color flow imaging. Given the complex spatio-temporal dynamics of flow signal and clutter, however, the manual selectio…
View article: Spatial Coherence Adaptive Clutter Filtering in Color Flow Imaging—Part II: Phantom and In Vivo Experiments
Spatial Coherence Adaptive Clutter Filtering in Color Flow Imaging—Part II: Phantom and In Vivo Experiments Open
Conventional color flow processing is associated with a high degree of operator dependence, often requiring the careful tuning of clutter filters and priority encoding to optimize the display and accuracy of color flow images. In a compani…
View article: Structure-based charge calculations for predicting isoelectric point, viscosity, clearance, and profiling antibody therapeutics
Structure-based charge calculations for predicting isoelectric point, viscosity, clearance, and profiling antibody therapeutics Open
The effect of hydrophobicity on antibody aggregation is well understood, and it has been shown that charge calculations can be useful for high-concentration viscosity and pharmacokinetic (PK) clearance predictions. In this work, structure-…
View article: Coherence-based quantification of acoustic clutter sources in medical ultrasound
Coherence-based quantification of acoustic clutter sources in medical ultrasound Open
The magnitudes by which aberration and incoherent noise sources, such as diffuse reverberation and thermal noise, contribute to degradations in image quality in medical ultrasound are not well understood. Theory predicting degradations in …
View article: Incoherent Clutter Suppression Using Lag-One Coherence
Incoherent Clutter Suppression Using Lag-One Coherence Open
The lag-one coherence (LOC), derived from the correlation between the nearest-neighbor channel signals, provides a reliable measure of clutter which, under certain assumptions, can be directly related to the signal-to-noise ratio of indivi…
View article: UltraDuke Version 1
UltraDuke Version 1 Open
DukeUltrasound is an ultrasound dataset collected at Duke University with a Verasonics c52v probe. It contains delay-and-sum (DAS) beamformed data as well as data post-processed with Siemens Dynamic TCE for speckle reduction, contrast enha…
View article: Lag-One Coherence as a Metric for Ultrasonic Image Quality
Lag-One Coherence as a Metric for Ultrasonic Image Quality Open
Reliable assessment of image quality is an important but challenging task in complex imaging environments such as those encountered in vivo. To address this challenge, we propose a novel imaging metric, known as the lag-one coherence (LOC)…
View article: Feasibility of Swept Synthetic Aperture Ultrasound Imaging
Feasibility of Swept Synthetic Aperture Ultrasound Imaging Open
Ultrasound image quality is often inherently limited by the physical dimensions of the imaging transducer. We hypothesize that, by collecting synthetic aperture data sets over a range of aperture positions while precisely tracking the posi…