Hand Gesture Signatures Acquisition and Processing by Means of a Novel Ultrasound System. [PDF]
Bioengineering (Basel), 2022 Hand gestures represent a natural way to express concepts and emotions which are peculiar to each culture. Several studies exploit biometric traits, such as fingerprint, iris or face for subject identification purposes.
Franceschini S +3 more
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Changes in Transversus Abdominis Muscle Thickness, Low Back Pain, and Standing Balance after Foam Roller Exercise in Female Adults: A Randomized Controlled Trial [PDF]
Exercise Medicine, 2023 OBJECTIVES The purpose of this study was to compare transversus abdominis muscle thickness and exercise performance before and after foam roller exercise (FRex). METHODS This was a randomized controlled trial (RCT). Twenty-four adult female subjects were
Kazumasa Nakagawa, Himeno Shimizu
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An Inverse Class-E Power Amplifier for Ultrasound Transducer
Sensors, 2023 An inverse Class-E power amplifier was designed for an ultrasound transducer. The proposed inverse Class-E power amplifier can be useful because of the low series inductance values used in the output matching network that helps to reduce signal ...
Hojong Choi
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A Mathematically Generated Noise Technique for Ultrasound Systems
Sensors, 2022 Ultrasound systems have been widely used for consultation; however, they are susceptible to cyberattacks. Such ultrasound systems use random bits to protect patient information, which is vital to the stability of information-protecting systems used in ...
Hojong Choi, Seung-Hyeok Shin
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Power Amplifier Design for Ultrasound Applications
Micromachines, 2023 A design analysis of the power amplifiers developed for ultrasound applications was conducted because ultrasound applications require different types of power amplifiers, which are one of the most critical electronic components in ultrasound systems.
Hojong Choi
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Technology trends and applications of deep learning in ultrasonography: image quality enhancement, diagnostic support, and improving workflow efficiency [PDF]
Ultrasonography, 2021 In this review of the most recent applications of deep learning to ultrasound imaging, the architectures of deep learning networks are briefly explained for the medical imaging applications of classification, detection, segmentation, and generation ...
Jonghyon Yi +11 more
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Wide Bandwidth Class-S Power Amplifiers for Ultrasonic Devices
Sensors, 2020 Wide bandwidth ultrasonic devices are a necessity in high-resolution ultrasonic systems. Therefore, constant output voltages need to be produced across the wide bandwidths of a power amplifier.
Kiheum You, Hojong Choi
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Guidelines for immunological analyses following focused ultrasound treatment
Journal for ImmunoTherapy of Cancer, 2023 Focused ultrasound (FUS) is a powerful emerging tool for non-invasive, non-ionizing targeted destruction of tumors. The last two decades have seen a growing body of preclinical and clinical literature supporting the capacity of FUS to increase nascent ...
Natasha D Sheybani +4 more
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Frontiers in Physics, 2020 Type 1 diabetes (T1D) is an incurable disease that affects 1. 25 million Americans. Diabetic patients typically rely on subcutaneous insulin infusions to regulate their glucose levels.
Ye Zhan +5 more
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Acute neuro-biochemical changes induced by nitrogen-tungsten co-doped titanium dioxide nanoparticles
Applied Biological Chemistry, 2023 Nitrogen-tungsten co-doped titanium dioxide nanoparticles (W-N-doped TiO2 NPs) are employed for the photocatalytic degradation of environmental pollutants.
Hafiz Muhammad Umer Farooqi +7 more
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