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Huong Nguyen Minh, Marie Muller and Kay Raum
Delay-and-sum (DAS) beamforming of backscattered echoes is used for conventional ultrasound imaging. Although DAS beamforming is well suited for imaging in soft tissues, refraction, scattering, and absorption, porous mineralized tissues cause phase aberr...
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Damian Cacko and Marcin Lewandowski
Ultrasound shear wave elastography (SWE) has emerged as a promising technique that enables the quantitative estimation of soft tissue stiffness. However, its practical implementation is complicated and presents a number of engineering challenges, includi...
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Laith R. Sultan, Theodore W. Cary, Maryam Al-Hasani, Mrigendra B. Karmacharya, Santosh S. Venkatesh, Charles-Antoine Assenmacher, Enrico Radaelli and Chandra M. Sehgal
Machine learning for medical imaging not only requires sufficient amounts of data for training and testing but also that the data be independent. It is common to see highly interdependent data whenever there are inherent correlations between observations...
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Jonathan J. Carroll-Nellenback, R. James White, Ronald W. Wood and Kevin J. Parker
Ultrasound imaging of the liver is an everyday, worldwide clinical tool. The echoes are produced by inhomogeneities within the interrogated tissue, but what are the mathematical properties of these scatterers? In theory, the spatial correlation function ...
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Kevin J. Parker, Jonathan J. Carroll-Nellenback and Ronald W. Wood
The fractal branching vasculature within soft tissues and the mathematical properties of the branching system influence a wide range of important phenomena from blood velocity to ultrasound backscatter. Among the mathematical descriptors of branching net...
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Alexander V. Goncharsky,Sergey Y. Romanov,Sergey Y. Seryozhnikov
Pág. 41 - 66
Currently, tomographic imaging is widely used in medical and industrial non-destructive testing applications. X-ray tomography is the prevalent imaging technology. Modern medical X-ray CT scanners provide up to 1 mm spatial resolution. The disadvant...
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Anika Tun Naziba, Mohammad Nasir Uddin
Pág. 89 - 97
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Jun-Seong Kim, Kun-Woo Kim, Se-Ro Kim, Tae-Gyeong Woo, Joong-Wha Chung, Seong-Won Yang and Seong-Yong Moon
Echocardiography is a medical examination that uses ultrasound to assess and diagnose the structure and function of the cardiac. Through the use of ultrasound waves, this examination allows medical professionals to create visualizations of the cardiac mu...
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Weiliang Tao, Yan Liu, Zhimin Ma and Wenbin Hu
This paper proposes a novel particle image velocimetry (PIV) technique to generate an instantaneous two-dimensional velocity field for sediment-laden fluid based on the optical flow algorithm of ultrasound imaging. In this paper, an ultrasonic PIV (UIV) ...
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Giorgia Fiori, Fabio Fuiano, Andrea Scorza, Jan Galo, Silvia Conforto and Salvatore Andrea Sciuto
The present work is aimed at providing a novel image analysis-based method for the maximum depth of penetration (DOP) measurement in Quality Assessment (QA) of medical ultrasound systems.
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Masaaki Komatsu, Akira Sakai, Reina Komatsu, Ryu Matsuoka, Suguru Yasutomi, Kanto Shozu, Ai Dozen, Hidenori Machino, Hirokazu Hidaka, Tatsuya Arakaki, Ken Asada, Syuzo Kaneko, Akihiko Sekizawa and Ryuji Hamamoto
Artificial Intelligence (AI) technologies have recently been applied to medical imaging for diagnostic support. With respect to fetal ultrasound screening of congenital heart disease (CHD), it is still challenging to achieve consistently accurate diagnos...
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Kuo-Yuan Huang, Chih-Hsiung Chang, Young-Fo Chang, Jia-Wei Liu and Jer-Wei Chang
At present, there is no relevant research which explores possible lesions in ultrasound images that may exist in acoustic shadow; only a differential diagnosis can be made. This current work addresses the use of a reliable posterior restoration algorithm...
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Igor Bondarenko, Oleg Avrunin
Pág. 106 - 112
The subject of the study in the article is to study the method of excitation of human body tissues using an electric current. The purpose of the work is to develop a method for exciting local current in a human body affecting the microcirculation of bloo...
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Shuangyi Wang, Richard James Housden, Yohan Noh, Anisha Singh, Lukas Lindenroth, Hongbin Liu, Kaspar Althoefer, Joseph Hajnal, Davinder Singh and Kawal Rhode
This paper describes the analysis of a customized spring-loaded ball clutch specifically designed to limit the maximum force that a newly developed ultrasound robot can apply to patients mechanically. The proposed design can be potentially used for other...
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Ammar Odeh, Anas Abu Taleb, Tareq Alhajahjeh and Francisco Navarro
Securing medical imaging poses a significant challenge in preserving the confidentiality of healthcare data. Numerous research efforts have focused on fortifying these images, with encryption emerging as a primary solution for maintaining data integrity ...
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Laith R. Sultan, Allison Haertter, Maryam Al-Hasani, George Demiris, Theodore W. Cary, Yale Tung-Chen and Chandra M. Sehgal
With the 2019 coronavirus disease (COVID-19) pandemic, there is an increasing demand for remote monitoring technologies to reduce patient and provider exposure. One field that has an increasing potential is teleguided ultrasound, where telemedicine and p...
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Chang Liu, Binzhen Zhang, Chenyang Xue, Guojun Zhang, Wendong Zhang and Yijun Cheng
In order to better detect information about a mass in breast tissue, an ultrasound tomography algorithm based on adaptive time gain compensation (TGC) was designed. Field II was utilized to automatically evaluate the phantom attenuation coefficient and c...
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Alexander V. Goncharsky,Sergey Y. Seryozhnikov
Pág. 111 - 115
The paper considers the use of supercomputers in design of medical ultrasound tomography devices. The mathematical models describing the wave propagation in ultrasound tomography should take into account such physical phenomena as diffraction, multiple s...
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Haoyang Wang, Yuchen Sun, Yuxin Wang, Ying Chen, Yun Ge, Jie Yuan and Paul Carson
Hyperthermia therapy (HT) is used to treat diseases through heating of high temperature usually in conjunction with some other medical therapeutics such as chemotherapy and radiotherapy. In this study, we propose a promising temperature-controlled hypert...
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Salman Lari, Sang Wook Han, Jong Uk Kim and Hyock Ju Kwon
High-intensity focused ultrasound (HIFU) is a non-invasive medical procedure, which is mainly used to ablate tumors externally by focusing on them with high-frequency ultrasound. Because a single ablation can process only a small volume of tissue, a succ...
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