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Front Cover IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-12-23
Presents the front cover for this issue of the publication.
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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-12-23
Presents a listing of the editorial board, board of governors, current staff, committee members, and/or society editors for this issue of the publication.
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Table of contents IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-12-23
Presents the table of contents for this issue of the publication.
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Guest Editorial Introduction to the Special Issue on Recent Advances in Ultrasound Technology for Brain Imaging and Therapy IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-12-23 Weibao Qiu; Ayache Bouakaz; Elisa E. Konofagou; Hairong Zheng
The emergence of new technologies has dramatically accelerated our understanding of the human brain function. Over the past decade, ultrasound has become a valuable tool in preclinical animal studies and clinical practice in many areas of the brain. This is because it can not only provide information about the structure and function of brain tissues but also constitute a potential treatment tool for
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Front Cover IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-11-24
Presents the front cover for this issue of the publication.
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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-11-24
Presents a listing of the editorial board, board of governors, current staff, committee members, and/or society editors for this issue of the publication.
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Table of contents IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-11-24
Presents the table of contents for this issue of the publication.
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Deep Learning in Medical Ultrasound—From Image Formation to Image Analysis IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-11-24 Massimo Mischi; Muyinatu A. Lediju Bell; Ruud J. G. van Sloun; Yonina C. Eldar
Over the past years, deep learning has established itself as a powerful tool across a broad spectrum of domains. While deep neural networks initially found nurture in the computer vision community, they have quickly spread over medical imaging applications, ranging from image analysis and interpretation to—more recently—image formation and reconstruction. Deep learning is now rapidly gaining attention
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Unidirectional Shear Horizontal Wave Generation With Side-Shifted Periodic Permanent Magnets Electromagnetic Acoustic Transducer IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-28 Alan C. Kubrusly; Lei Kang; Steve Dixon
Periodic permanent magnet (PPM) array electromagnetic acoustic transducers (EMATs) can efficiently generate and receive shear horizontal (SH) ultrasonic waves. Conventional PPM EMATs typically generate waves which simultaneously propagate both forward and backward. This can complicate the received signals and make it difficult to locate the position of scatterers. Unidirectional generation of ultrasounds
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In Vivo Assessment of Pulmonary Fibrosis and Pulmonary Edema in Rodents Using Ultrasound Multiple Scattering IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-14 Kaustav Mohanty; Yasamin Karbalaeisadegh; John Blackwell; Mir Ali; Behrooz Masuodi; Thomas Egan; Marie Muller
Idiopathic pulmonary fibrosis (IPF) affects 200 000 patients in the United States of America. IPF is responsible for changes in the micro-architecture of the lung parenchyma, such as thickening of the alveolar walls, which reduces compliance and elasticity. In this study, we verify the hypothesis that changes in the microarchitecture of the lung parenchyma can be characterized by exploiting multiple
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Front Cover IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-10-23
Presents the front cover for this issue of the publication.
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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-10-23
Presents a listing of the editorial board, board of governors, current staff, committee members, and/or society editors for this issue of the publication.
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Table of contents IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-10-23
Presents the table of contents for this issue of the publication.
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Ultrasound Imaging: A Silent Hero in COVID-19 and Lung Diagnostics IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-10-23 Alfred C. H. Yu; Libertario Demi; Marie Muller; Qifa Zhou
In the wake of the novel coronavirus (COVID-19) pandemic, the world has been engaged in a protracted battle against a deadly infectious disease. As of October 2020, the COVID-19 virus has struck over 37 million people globally and has taken over 1 million lives. Since the onset of the COVID-19 outbreak, ultrasound imaging has played a major role in facilitating primary diagnosis and in managing the
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Application of Critical Care Ultrasound in Patients With COVID-19: Our Experience and Perspective IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-01 Tongjuan Zou; Wanhong Yin; Yan Kang
Up to April 4, 2020, the novel coronavirus disease-2019 COVID-19 has affected more than 1 099000 patients and has become a major global health concern. World Health Organization (WHO) has defined COVID-19 as a global pandemic. Critical care ultrasound (CCUS) can rapidly acquire the image of lung and other organs and demonstrate the pathophysiological changes to guide precise therapy in COVID-19 pneumonia
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Current Ultrasound Technologies and Instrumentation in the Assessment and Monitoring of COVID-19 Positive Patients IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-28 Xuejun Qian; Robert Wodnicki; Haochen Kang; Junhang Zhang; Hisham Tchelepi; Qifa Zhou
Since the emergence of the COVID-19 pandemic in December of 2019, clinicians and scientists all over the world have faced overwhelming new challenges that not only threaten their own communities and countries but also the world at large. These challenges have been enormous and debilitating, as the infrastructure of many countries, including developing ones, had little or no resources to deal with the
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Pilot Study of Robot-Assisted Teleultrasound Based on 5G Network: A New Feasible Strategy for Early Imaging Assessment During COVID-19 Pandemic IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-03 Shengzheng Wu; Dudu Wu; Ruizhong Ye; Keyan Li; Yuehua Lu; Jufen Xu; Linfei Xiong; Yuanyuan Zhao; Ailin Cui; Yaqing Li; Chengzhong Peng; Faqin Lv
Early diagnosis is critical for the prevention and control of the coronavirus disease 2019 (COVID-19). We attempted to apply a protocol using teleultrasound, which is supported by the 5G network, to explore the feasibility of solving the problem of early imaging assessment of COVID-19. Four male patients with confirmed or suspected COVID-19 were hospitalized in isolation wards in two different cities
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Ultrasound Elastography for Lung Disease Assessment IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-24 Boran Zhou; Xiaofeng Yang; Xiaoming Zhang; Walter J. Curran; Tian Liu
Ultrasound elastography (US-E) is a noninvasive, safe, cost-effective and reliable technique to assess the mechanical properties of soft tissue and provide imaging biomarkers for pathological processes. Many lung diseases such as acute respiratory distress syndrome, chronic obstructive pulmonary disease, and interstitial lung disease are associated with dramatic changes in mechanical properties of
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Transcranial Low-Intensity Pulsed Ultrasound Stimulation Induces Neuronal Autophagy IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-10-05 Xiaowei Huang; Lili Niu; Long Meng; Zhengrong Lin; Wei Zhou; Xiufang Liu; Jiqing Huang; Derek Abbott; Hairong Zheng
Autophagy, or cellular self-digestion, is an essential process for eliminating abnormal protein in mammalian cells. Accumulating evidence indicates that increased neuronal autophagy has a protective effect on neurodegenerative disorders. It has been reported that low-intensity pulsed ultrasound (LIPUS) can noninvasively modulate neural activity in the brain. Yet, the effect of LIPUS on neuronal autophagy
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Front Cover IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-25
Presents the front cover for this issue of the publication.
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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-25
Presents a listing of the editorial board, board of governors, current staff, committee members, and/or society editors for this issue of the publication.
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Table of contents IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-25
Presents the table of contents for this issue of the publication.
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Special Issue on Histotripsy: approaches, mechanisms, hardware, and applications IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-25
Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.
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Imaging With Therapeutic Acoustic Wavelets–Short Pulses Enable Acoustic Localization When Time of Arrival is Combined With Delay and Sum IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-25 Harry J. Davies; Sophie V. Morse; Matthew J. Copping; Krit Sujarittam; Victor D. Bourgin; Meng-Xing Tang; James J. Choi
Passive acoustic mapping (PAM) is an algorithm that reconstructs the location of acoustic sources using an array of receivers. This technique can monitor therapeutic ultrasound procedures to confirm the spatial distribution and amount of microbubble activity induced. Current PAM algorithms have an excellent lateral resolution but have a poor axial resolution, making it difficult to distinguish acoustic
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A Low Phase Noise All Cryogenic Microwave Oscillator Based on a Superconductor Resonator IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-14 David Chaudy; Olivier Llopis; Bruno Marcilhac; Yves Lemaître; Olivier d’Allivy Kelly; Jean-Michel Hode; Jean-Marc Lesage
A 1-GHz full cryogenic oscillator is presented. The oscillator is based on a planar superconductor resonator featuring a loaded ${Q}$ factor of 200 000 at low microwave input power (unloaded ${Q}$ of 400 000) and on amplifying parts realized with SiGe bipolar transistors. The circuit is designed with a harmonic balance software and realized on an alumina substrate. A nonlinear model is extracted at
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Modeling Ultrasound Propagation in the Moving Brain: Applications to Shear Shock Waves and Traumatic Brain Injury IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-09-07 Sandhya Chandrasekaran; Bharat B. Tripathi; David Espíndola; Gianmarco F. Pinton
Traumatic brain injury (TBI) studies on the living human brain are experimentally infeasible due to ethical reasons and the elastic properties of the brain degrade rapidly postmortem. We present a simulation approach that models ultrasound propagation in the human brain, while it is moving due to the complex shear shock wave deformation from a traumatic impact. Finite difference simulations can model
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Ultrasound for the Brain: A Review of Physical and Engineering Principles, and Clinical Applications IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-31 Weibao Qiu; Ayache Bouakaz; Elisa E. Konofagou; Hairong Zheng
The emergence of new ultrasound technologies has improved our understanding of the brain functions and offered new opportunities for the treatment of brain diseases. Ultrasound has become a valuable tool in preclinical animal and clinical studies as it not only provides information about the structure and function of brain tissues but can also be used as a therapy alternative for brain diseases. High-resolution
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Uniformization of Mass Sensitivity Distribution of Silver Electrode QCM IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-13 Wei Pan; Xianhe Huang; Qiao Chen
Quartz crystal microbalance (QCM) is a highly sensitive mass sensor and has been widely used in many fields. However, the nonuniform distribution of mass sensitivity will lead to poor reproducibility of QCM, which is not conducive to the application of QCM in some fields. Considering the effect of electrode shape, size, and material on mass sensitivity distribution, we found that for an AT-cut QCM
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Deep Network for Scatterer Distribution Estimation for Ultrasound Image Simulation IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-21 Lin Zhang; Valery Vishnevskiy; Orcun Goksel
Simulation-based ultrasound (US) training can be an essential educational tool. Realistic US image appearance with typical speckle texture can be modeled as convolution of a point spread function with point scatterers representing tissue microstructure. Such scatterer distribution, however, is in general not known and its estimation for a given tissue type is fundamentally an ill-posed inverse problem
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Full-Matrix Phase Shift Migration Method for Transcranial Ultrasonic Imaging IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-14 Chen Jiang; Ying Li; Kailiang Xu; Dean Ta
A spectrum-domain method, called full-matrix phase shift migration (FM-PSM), is presented for transcranial ultrasound phase correction and imaging with ideal synthetic aperture focusing technology. The simulated data obtained using the pseudospectral time-domain method are used to evaluate the feasibility of the method. The experimental data measured from a 3-D printed skull phantom are used to evaluate
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Detection of Line Artifacts in Lung Ultrasound Images of COVID-19 Patients Via Nonconvex Regularization IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-12 Oktay Karakuş; Nantheera Anantrasirichai; Amazigh Aguersif; Stein Silva; Adrian Basarab; Alin Achim
In this article, we present a novel method for line artifacts quantification in lung ultrasound (LUS) images of COVID-19 patients. We formulate this as a nonconvex regularization problem involving a sparsity-enforcing, Cauchy-based penalty function, and the inverse Radon transform. We employ a simple local maxima detection technique in the Radon transform domain, associated with known clinical definitions
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Spatial Response Identification for Flexible and Accurate Ultrasound Transducer Calibration and its Application to Brain Imaging IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-10 Carlos Cueto; Javier Cudeiro; Òscar Calderón Agudo; Lluis Guasch; Meng-Xing Tang
Accurate wave-equation modeling is becoming increasingly important in modern imaging and therapeutic ultrasound methodologies, such as ultrasound computed tomography, optoacoustic tomography, or high-intensity-focused ultrasound. All of them rely on the ability to accurately model the physics of wave propagation, including accurate characterization of the ultrasound transducers, the physical devices
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Fine-Tuning U-Net for Ultrasound Image Segmentation: Different Layers, Different Outcomes IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-07 Mina Amiri; Rupert Brooks; Hassan Rivaz
One way of resolving the problem of scarce and expensive data in deep learning for medical applications is using transfer learning and fine-tuning a network which has been trained on a large data set. The common practice in transfer learning is to keep the shallow layers unchanged and to modify deeper layers according to the new data set. This approach may not work when using a U-Net and when moving
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An Ultrasonic Tweezer With Multiple Manipulation Functions Based on the Double-Parabolic-Reflector Wave-Guided High-Power Ultrasonic Transducer IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-05 Qingyang Liu; Kang Chen; Junhui Hu; Takeshi Morita
The development of ultrasonic tweezers with multiple manipulation functions is challenging. In this work, multiple advanced manipulation functions are implemented for a single-probe-type ultrasonic tweezer with the double-parabolic-reflector wave-guided high-power ultrasonic transducer (DPLUS). Due to strong high-frequency (1.49 MHz) linear vibration at the manipulation probe’s tip, which is excited
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New Method for 100-MHz High-Frequency Temperature-Compensated Crystal Oscillator IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-08-03 Feng Tan; Shuang Liao; Lin Xu; Duyu Qiu; Lianping Guo; Peng Ye
The implementation of high-performance and high-frequency temperature-compensated crystal oscillator (HFTCXO) still faces great challenges. In this article, a new temperature-compensation method for HFTCXO with closed-loop architecture is described. The sample of 100-MHz HFTCXO with the measured temperature stability of ±0.22ppm/–40 °C ~ +85 °C and the phase noise of −151 dBc/Hz@1 kHz and −163 dBc/Hz@10
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A High-Frequency Phased Array System for Transcranial Ultrasound Delivery in Small Animals IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-29 Saba Rahimi; Ryan Matthew Jones; Kullervo Hynynen
Existing systems for applying transcranial focused ultrasound (FUS) in small animals produce large focal volumes relative to the size of cerebral structures available for interrogation. The use of high ultrasonic frequencies can improve targeting specificity; however, the aberrations induced by rodent calvaria at megahertz frequencies severely distort the acoustic fields produced by single-element
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Front Cover IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24
Presents the front cover for this issue of the publication.
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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24
Presents a listing of the editorial board, board of governors, current staff, committee members, and/or society editors for this issue of the publication.
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Table of contents IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24
Presents the table of contents for this issue of the publication.
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Special Issue on Histotripsy: approaches, mechanisms, hardware, and applications IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24
Prospective authors are requested to submit new, unpublished manuscripts for inclusion in the upcoming event described in this call for papers.
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Stereotactic Transcranial Focused Ultrasound Targeting System for Murine Brain Models IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-27 Sang Won Choi; Tyler I. Gerhardson; Sarah E. Duclos; Rachel K. Surowiec; Ulrich M. Scheven; Stefanie Galban; Fred T. Lee; Joan M. Greve; James M. Balter; Timothy L. Hall; Zhen Xu
An inexpensive, accurate focused ultrasound stereotactic targeting method guided by pretreatment magnetic resonance imaging (MRI) images for murine brain models is presented. An uncertainty of each sub-component of the stereotactic system was analyzed. The entire system was calibrated using clot phantoms. The targeting accuracy of the system was demonstrated with an in vivo mouse glioblastoma (GBM)
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Quantitative Lung Ultrasound Spectroscopy Applied to the Diagnosis of Pulmonary Fibrosis: The First Clinical Study IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-27 Federico Mento; Gino Soldati; Renato Prediletto; Marcello Demi; Libertario Demi
The application of ultrasound imaging to the diagnosis of lung diseases is nowadays receiving growing interest. However, lung ultrasound (LUS) is mainly limited to the analysis of imaging artifacts, such as B-lines, which correlate with a wide variety of diseases. Therefore, the results of LUS investigations remain qualitative and subjective, and specificity is obviously suboptimal. Focusing on the
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Doppler Passive Acoustic Mapping IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24 Antonios N. Pouliopoulos; Cameron A. B. Smith; James H. Bezer; Ahmed El Ghamrawy; Krit Sujarittam; Charlotte J. Bouldin; Sophie V. Morse; Meng-Xing Tang; James J. Choi
In therapeutic ultrasound using microbubbles, it is essential to drive the microbubbles into the correct type of activity and the correct location to produce the desired biological response. Although passive acoustic mapping (PAM) is capable of locating where microbubble activities are generated, it is well known that microbubbles rapidly move within the ultrasound beam. We propose a technique that
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High-Power Phased-Array Transducer Module for the Construction of a System for the Treatment of Deep Vein Thrombosis IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24 Maryam Motmaen Dadgar; Kullervo Hynynen
Blood clot can be disintegrated by high-intensity focused ultrasound alone through inertial cavitation. There are limitations in using single-element ultrasound transducers for this purpose such as lack of steerability and control of the focus in terms of shape and location. Phased-array transducers being able to rapidly scan over the clots can alleviate this problem. A full 3-D control of the ultrasound
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Development of Sputter Epitaxy Technique of Pure-Perovskite (001)/(100)-Oriented Sm-Doped Pb(Mg1/3, Nb2/3)O3–PbTiO3 on Si IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-24 Xuanmeng Qi; Shinya Yoshida; Shuji Tanaka
We have developed a unique sputter deposition technique for a pure-perovskite (001)/(100)-oriented samarium-doped Pb(Mg 1/3 , Nb 2/3 )O 3 –PbTiO 3 (Sm-PMN-PT) epitaxial thin film on Si as a future piezoelectric transducer thin film in microelectromechanical systems (MEMSs). This technique bases on the use of a “Pb(Zr,Ti)O 3 (PZT)-based seed layer” and “separate sputter deposition.” Undesired orientations
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Tunable Electromechanical Properties of a Barium Strontium Titanate Ferroelectric Film Under a Uniaxial Stress IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-23 Vladimir Borisovich Shirokov; Pavel Evgenjevich Timoshenko; Artyom Vital'yevich Pan'kin; Anna Grigoryevna Razumnaya
The possibility of the development of MEMS devices based on the tunable ferroelectric film Ba 0.8 Sr 0.2 O 3 properties under uniaxial deformation was studied theoretically. The thermodynamic model of the phase transitions for the film under uniaxial stress was constructed. The behavior of the material constants for the film in various phase states was investigated. The propagation properties of the
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Characterization of a Partially Covered AM-MPT and Its Application to Damage Scans of Small Diameter Pipes Based on Analysis of the Beam Directivity of the MHz Lamb Wave IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-23 Zhou Fang; Peter W. Tse; Xu Fan
To perform a complete scan of a small diameter pipe is difficult for two reasons. First, the beam directivity of the Lamb wave within a small diameter pipe is worse than that within a large diameter pipe. Second, the circumferential range of the small diameter pipe is so limited that it can allow less transducer to be attached on its surface. That means the signals from various circumferential positions
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Low-Loss Unidirectional Acoustic Focusing Transducer in Thin-Film Lithium Niobate IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-23 Ruochen Lu; Yansong Yang; Songbin Gong
In this work, we present gigahertz low-loss unidirectional acoustic focusing transducers in thin-film lithium niobate. The design follows the anisotropy of fundamental symmetric (S0) waves in X-cut lithium niobate. The implemented acoustic delay line testbed consisting of a pair of the proposed transducers shows a low insertion loss of 4.2 dB and a wide fractional bandwidth of 7.5% at 1 GHz. The extracted
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Blood Flow Imaging in the Neonatal Brain Using Angular Coherence Power Doppler IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-20 Marko Jakovljevic; Byung Chul Yoon; Lotfi Abou-Elkacem; Dongwoon Hyun; You Li; Erika Rubesova; Jeremy J. Dahl
Using ultrasound to image small vessels in the neonatal brain can be difficult in the presence of strong clutter from the surrounding tissue and with a neonate motion during the scan. We propose a coherence-based beamforming method, namely the short-lag angular coherence (SLAC) beamforming that suppresses incoherent noise and motion artifacts in Ultrafast data, and we demonstrate its applicability
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Training Variational Networks With Multidomain Simulations: Speed-of-Sound Image Reconstruction IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-20 Melanie Bernhardt; Valery Vishnevskiy; Richard Rau; Orcun Goksel
Speed-of-sound (SoS) has been shown as a potential biomarker for breast cancer imaging, successfully differentiating malignant tumors from benign ones. SoS images can be reconstructed from time-of-flight measurements from ultrasound images acquired using conventional handheld ultrasound transducers. Variational networks (VNs) have recently been shown to be a potential learning-based approach for optimizing
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In Vivo Assessment of Lung Ultrasound Features Mimicking Viral Pneumonia Using a Large Animal Model IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-20 Frank Wolfram; Conny Braun; Holger Gutsche; Thomas Guenther Lesser
Lung ultrasound (LUS) is a practical tool for lung diagnosis when computer tomography (CT) is not available. Recent findings suggest that LUS diagnosis is highly advantageous because of its mobility and correlation with radiological findings for viral pneumonia. Simple models for both educational evaluation and technical evaluation are needed. Therefore, this work investigates the usability of a large
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Anisotropic Longitudinal Wave Propagation in Swine Skull IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-16 Nagomi Murashima; Itsuki Michimoto; Daisuke Koyama; Mami Matsukawa
To understand the in-plane elastic character of ultrasonic waves in the skull, longitudinal wave velocities were studied in the MHz range using a conventional pulse technique. Taking advantage of the thickness of swine skulls, anisotropic in-plane wave velocity changes in the outer and diploe layers were experimentally investigated using structural information measured by X-ray computer tomography
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Correction for Hydrophone Spatial Averaging Artifacts for Circular Sources IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-10 Keith A. Wear; Anant Shah; Christian Baker
This article reports an investigation of an inverse-filter method to correct for experimental underestimation of pressure due to spatial averaging across a hydrophone sensitive element. The spatial averaging filter (SAF) depends on hydrophone type (membrane, needle, or fiber-optic), hydrophone geometrical sensitive element diameter, transducer driving frequency, and transducer ${F}$ number (ratio of
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Lamb Waves and Adaptive Beamforming for Aberration Correction in Medical Ultrasound Imaging IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-06 Moein Mozaffarzadeh; Claudio Minonzio; Nico de Jong; Martin D. Verweij; Simone Hemm; Verya Daeichin
Phase aberration in transcranial ultrasound imaging (TUI) caused by the human skull leads to an inaccurate image reconstruction. In this article, we present a novel method for estimating the speed of sound and an adaptive beamforming technique for phase aberration correction in a flat polyvinylchloride (PVC) slab as a model for the human skull. First, the speed of sound of the PVC slab is found by
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Design, Development, and Operation of a Low-Intensity Focused Ultrasound Pulsation (LIFUP) System for Clinical Use IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-02 Mark E. Schafer; Norman M. Spivak; Alexander S. Korb; Alexander Bystritsky
Noninvasive low-intensity focused ultrasound pulsation (LIFUP) neuromodulation provides a unique approach to both investigating and treating the brain. This work describes a well-calibrated, simple-to-use ultrasound stimulation system for neuromodulation studies. It provides a single-element 650-kHz transducer design and a straightforward control mechanism, with extensive calibration and internal electronic
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Design Considerations for Frequency Shifts in a Laterally Finite FBAR Sensor in Contact With the Newtonian Liquid IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-07-01 Zinan Zhao; Bin Wang; Zhenghua Qian; Iren Kuznetsova; Tingfeng Ma; Yook-Kong Yong
Mode-coupled vibrations in a thickness-shear (TSh) mode and laterally finite film bulk acoustic resonator (FBAR) with one face in contact with Newtonian (linearly viscous and compressional) liquid are investigated. With boundary conditions and interface continuity conditions, exact dispersion curves in FBAR sensors contacting with two kinds of liquids are obtained, and they are compared with the dispersion
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Front Cover IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-06-29
Presents the front cover for this issue of the publication.
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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-06-29
Presents a listing of the editorial board, board of governors, current staff, committee members, and/or society editors for this issue of the publication.
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Table of contents IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-06-29
Presents the table of contents for this issue of the publication.
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Transcranial Focused Ultrasound for Noninvasive Neuromodulation of the Visual Cortex IEEE Trans. Ultrason. Ferroelectr. Freq. Control. (IF 2.812) Pub Date : 2020-06-29 Gengxi Lu; Xuejun Qian; Johnny Castillo; Runze Li; Laiming Jiang; Haotian Lu; K. Kirk Shung; Mark S. Humayun; Biju B. Thomas; Qifa Zhou
Currently, blindness cannot be cured and patients’ living quality can be compromised severely. Ultrasonic (US) neuromodulation is a promising technology for the development of noninvasive cortical visual prosthesis. We investigated the feasibility of transcranial focused ultrasound (tFUS) for noninvasive stimulation of the visual cortex (VC) to develop improved visual prosthesis. tFUS was used to successfully