Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Zaegyoo Hah"'
Autor:
Thomas J Marini, Benjamin Castaneda, Kevin Parker, Timothy M Baran, Stefano Romero, Radha Iyer, Yu T Zhao, Zaegyoo Hah, Moon Ho Park, Galen Brennan, Jonah Kan, Steven Meng, Ann Dozier, Avice O'Connell
Publikováno v:
PLOS Digital Health, Vol 1, Iss 11, p e0000148 (2022)
Breast ultrasound provides a first-line evaluation for breast masses, but the majority of the world lacks access to any form of diagnostic imaging. In this pilot study, we assessed the combination of artificial intelligence (Samsung S-Detect for Brea
Externí odkaz:
https://doaj.org/article/ae4a21bcf7bf4dd1a8fd573370c2a1e0
Autor:
Jonghyon Yi, Ho Kyung Kang, Jae-Hyun Kwon, Kang-Sik Kim, Moon Ho Park, Yeong Kyeong Seong, Dong Woo Kim, Byungeun Ahn, Kilsu Ha, Jinyong Lee, Zaegyoo Hah, Won-Chul Bang
Publikováno v:
Ultrasonography, Vol 40, Iss 1, Pp 7-22 (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.
Externí odkaz:
https://doaj.org/article/a9b787e67d6f4e6686ae249719be4e01
Autor:
Brian S. Garra, Pengfei Song, Timothy J. Hall, Todd N. Erpelding, Stephen J. Rosenzweig, Stephen A. McAleavey, Mark L. Palmeri, Matthew W. Urban, Richard L. Ehman, Gilles Guenette, Glen McLaughlin, Mathieu Couade, Véronique Miette, Shigao Chen, Ted Lynch, Michael MacDonald, Hua Xie, Paul L. Carson, Manish Dhyani, D. Cody Morris, Lindsey C. Carlson, Yoko Okamura, Derek Y. Chan, Yufeng Deng, Arinc Ozturk, Michael H. Wang, Zaegyoo Hah, Nancy A. Obuchowski, Richard G. Barr, Ned C. Rouze, Jun Chen, Anthony E. Samir, Vijay Shamdasani, Shana Fielding, Keith A. Wear, Andy Milkowski, David J. Napolitano, Bo Qiang, Kathryn R. Nightingale, Ravi Managuli, Siyun Yang, Gee Albert, Kingshuk Roy Choudhury, Yuling Chen
Publikováno v:
J Ultrasound Med
OBJECTIVES—: To quantify the bias of shear wave speed (SWS) measurements between different commercial ultrasonic shear elasticity systems and a magnetic resonance elastography (MRE) system in elastic and viscoelastic phantoms. METHODS—: Two elast
Autor:
Won-Chul Bang, Byungeun Ahn, Kilsu Ha, Zaegyoo Hah, Moon Ho Park, Jonghyon Yi, Ho Kyung Kang, Dong Woo Kim, Kang-Sik Kim, Yeong-kyeong Seong, Jinyong Lee, Jae-Hyun Kwon
Publikováno v:
Ultrasonography
Ultrasonography, Vol 40, Iss 1, Pp 7-22 (2021)
Ultrasonography, Vol 40, Iss 1, Pp 7-22 (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.
Autor:
Kevin J. Parker, Deborah J. Rubens, Daniel C. Oppenheimer, Joseph Reis, Ashwani K. Sharma, Zaegyoo Hah, Juvenal Ormachea
Publikováno v:
Ultrasound in Medicine & Biology. 45:895-901
Shear wave propagation in the liver has been a robust subject of research, with shear wave speed receiving the most attention. The correlation between increased shear wave speed and increased fibrosis in the liver has been established as a useful dia
Publikováno v:
Ultrasound in Medicine & Biology. 44:1504-1515
The propagation of shear waves from impulsive forces is an important topic in elastography. Observations of shear wave propagation can be obtained with numerous clinical imaging systems. Parameter estimations of the shear wave speed in tissues, and m
Autor:
Zaegyoo Hah, Ashley Baer, Deborah J. Rubens, Kai Erik Thomenius, Kevin J. Parker, Joyce R. McLaughlin, Christopher Robert Hazard, Kui Lin
Publikováno v:
Inverse Problems in Science and Engineering. 26:1155-1177
In this paper, we present a linear marching scheme to recover frequency-dependent complex shear moduli in viscoelastic models utilizing two sets of single component displacement data. The proposed method is designed to provide stable and accurate est
Publikováno v:
Ultrasonic imaging. 40(6)
Across the varieties of waves that have been studied in physics, it is well established that group velocities can be significantly greater than or less than phase velocities measured within comparable frequency bands, depending on the particular mech
Autor:
Zaegyoo Hah, Alexander Partin, Gang Cheng, Kevin J. Parker, Christopher T. Barry, Kuang-Hsiang Chuang, Robert A. Mooney, Christopher Robert Hazard, Wenqing Cao, Deborah J. Rubens
Publikováno v:
Journal of Ultrasound in Medicine. 34:1123-1129
Objectives The precise measurement of fat accumulation in the liver, or steatosis, is an important clinical goal. Our previous studies in phantoms and mouse livers support the hypothesis that, starting with a normal liver, increasing accumulations of
Publikováno v:
Ultrasonic Imaging. 36:277-290
This article demonstrates the measurement of shear wave speed and shear speed dispersion of biomaterials using a chirp signal that launches waves over a range of frequencies. A biomaterial is vibrated by two vibration sources that generate shear wave