Active microwave sensors, especially high-frequency radar systems, are highly sensitive to snow pack parameters, including Snow Water Equivalent (SWE), which is a crucial parameter in the studies of hydrology and climatology. For example, studies using Ku-band observations from scatterometer QuickSCAT and POLSCAT have shown significant radar backscattering responses on SWE variations. It has be...

In this research we examine active and passive microwave to snow water equivalent (SWE) and to investigate the potential of combining active and passive microwaves to improve the estimation of SWE. The study area is located in Great Lakes area between the latitudes of 41N–49N and the longitudes of 87W–98W. Passive microwave are obtained from DMSP SSM/I sensors provided by NSIDC. Active microwav...

OBJECTIVE The purpose of this study was to evaluate the predictability of two-dimensional shear wave elastography (2D-SWE) for papillary thyroid microcarcinoma (PTMC). MATERIALS AND METHODS One hundred and eighteen patients with 137 thyroid nodules (46 benign nodules, 91 malignant nodules) were included in this study who received conventional ultrasound (US) and 2D-SWE before fine-needle aspi...

Determining plaque vulnerability is critical when selecting the most suitable treatment for patients with atherosclerotic plaque. Currently, clinical non-invasive ultrasound-based methods for plaque characterization are limited to visual assessment of plaque morphology and new quantitative methods are needed. In this study, shear wave elastography (SWE) was used to characterize hard and soft pl...

A strategy is proposed that accesses the quality of individual shear wave elastography (SWE) exams and the reliability of elasticity measurements in clinical practice. For that purpose, a confidence index based on temporal stability and SWE filling was defined to provide an automatic estimation of each scan quality: high (HG) or low (LG) grade. With this index, the intra-observer acquisition va...

Chapter abstract: Subcritical water extraction (SWE) is presented in this chapter as a potent and novel alternative to conventional solvent extraction processes for isolating bioactive components from algae. SWE is defined as the extraction with water at temperatures ranging from the boiling point to the critical point and at pressures high enough to keep the water in the liquid state throughou...

BACKGROUND AND AIMS 2D-shear wave elastography (2D-SWE) is a relatively new elastographic technique. The aim of the present study is to determine the values of the elasticity indexes (EI) measured by 2D-SWE in parathyroid benign lesions (adenomas or hyperplasia) and to establish if this investigation is helpful for the preoperative identification of the parathyroid adenoma. MATERIAL AND METHO...

BACKGROUND Shear Wave Elastography (SWE) imaging is a novel ultrasound technique for quantifying tissue elasticity. Studies have demonstrated that SWE is able to differentiate between diseased and normal tissue in a wide range clinical applications. However its applicability to atherosclerotic carotid disease has not been established. The aim of this study was to assess the feasibility and pote...

Estimating the spatial distribution of snow water equivalent (SWE) in mountainous terrain is currently the most important unsolved problem in snow hydrology. Several methods can estimate the amount of snow throughout a mountain range: (1) Spatial interpolation from surface sensors constrained by remotely sensed snow extent provides a consistent answer, with uncertainty related to extrapolation ...

Background: Shear wave elastography (SWE) is one of newly-developed methods. Our meta-analysis was aimed to clarify whether SWE could be used as a diagnostic biomarker of liver fibrosis. Methods: We searched the potential articles in databases of PubMed, EMbase and Google Scholar. The discrimination of F0 from F1/4 (F≥1), F0/1 from F2/4 (F≥2), F0/2 from F3/4 (F≥3), and F0/3 from F4 (F≥4) were t...