Theoretical Foundations of the Echo Envelope Statistical Modeling: A Tutorial [0.03%]
回声包络统计建模理论基础教程
Francois Destrempes,Guy Cloutier
Francois Destrempes
The purpose of this Methods and Concepts tutorial is to present the homodyned K-distribution (HKD) statistical modeling of the echo envelope of received radiofrequency (RF) signals in the context of medical quantitative ultrasound (QUS) ima...
Practical Demonstrations of FR3-Band Thin-Film Lithium Niobate Acoustic Filter Design [0.03%]
FR3频段薄膜锂钛酸声学滤波器设计的实践验证
Taran Anusorn,Omar Barrera,Jack Kramer et al.
Taran Anusorn et al.
This article presents an approach to control the operating frequency and fractional bandwidth (FBW) of miniature acoustic filters in thin-film lithium niobate (TFLN). More specifically, we used first-order antisymmetric (A1) mode lateral-fi...
Real-time Heterogeneous Helical Wave Spectrum Method for Trans-abdominal Passive Acoustic Mapping [0.03%]
用于经腹被动声学制图的实时非均匀螺旋波谱法
Yifei Li,Hui Zhu,Yi Zeng et al.
Yifei Li et al.
In focused ultrasound (FUS) therapy, passive acoustic mapping (PAM) with convex arrays is often employed to monitor the cavitation activity in human abdomen given their large acoustic window. However, phase aberration caused by the speed-of...
Cascaded Plane Wave Ultrasound Velocity Vector Imaging: In Vivo Feasibility in Carotid Arteries [0.03%]
基于平面波成像的声速矢量成像在颈动脉内的可行性研究
Joosje M K De Bakker,Janna Ruisch,Chris L De Korte et al.
Joosje M K De Bakker et al.
Cascaded Dual-Polarity Wave (CDW) imaging enhances signal-to-noise ratio (SNR) by transmitting polarity-alternating pulse sequences, followed by decoding to reinforce coherent signals. This study assesses the in vivo feasibility of CDW for ...
Quantitative Acoustic Attenuation Scanning Using a Phase-Insensitive Ultrasound Computed Tomography System [0.03%]
一种相位无关的超声计算机断层扫描衰减成像系统及其量化研究
Daniel Sarno,Christian Baker,Bajram Zeqiri
Daniel Sarno
False-positive indications in breast cancer screening cause pain and anxiety for patients and are a time and cost waste to healthcare systems. New quantitative ultrasound scanners aim to measure intrinsic acoustic properties of soft tissues...
FPGA-Accelerated CNN Reconstruction for Low-Power Sparse-Array Ultrasound Imaging [0.03%]
低功耗稀疏阵列超声成像的FPGA加速CNN重建方法
Rouzbeh Molaei Imenabadi,Gregory R Thoreson,Katherine G Brown et al.
Rouzbeh Molaei Imenabadi et al.
Imaging of targeted organs, such as the urinary bladder, could be transformative for preventive healthcare and early disease diagnosis when used to assess their real-time function. However, wearable and portable ultrasound imaging systems o...
Novel low-voltage silicon MEMS resonators with high f × Q product inspired from bell plates [0.03%]
受振铃板启发的新型低压高f×Q产品的硅MEMS谐振器
T Zhu,E Lefeuvre,A Bosseboeuf et al.
T Zhu et al.
This paper presents the design, simulation, fabrication, and characterization of the first "bell plate" micro-electromechanical resonators in silicon-on-insulator (SOI) technology. These resonators are actuated by electrostatic force and ex...
UltraFlex: Iterative Model-Based Ultrasonic Flexible-Array Shape Calibration [0.03%]
UltraFlex：迭代模型驱动的超声柔性阵列形变校准算法
Benjamin N Frey,Dongwoon Hyun,Walter Simson et al.
Benjamin N Frey et al.
UltraFlex is an iterative model-based ultrasonic flexible-array shape calibration framework that uses automatic differentiation. This work evaluates array shape calibration model performance while examining multiple image quality metrics: s...
Theory and Analysis of High-sensitivity Acceleration Sensing Based on Two-dimensional Phononic Crystals [0.03%]
基于二维声子晶体的高灵敏度加速度传感的理论与分析研究
Xu Guo,Kunyang Zhang,Jintao Ni et al.
Xu Guo et al.
Acceleration sensing is widely applied from consumer electronics to inertial navigation. Conventional accelerometers are mainly based on capacitive or optical principles. However, these approaches either suffer from limited sensitivity or f...
Anet Sanchez Perez,Jacob Spainhour,Nazli Javadi Eshkalak et al.
Anet Sanchez Perez et al.
Achieving higher resolution for deeper tissue structures remains a significant challenge in ultrasound imaging due to the inherent limitations of diffraction. Swept Synthetic Aperture (SSA) techniques, which utilize the motion of a single t...