World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
62
Citations
14040
World Ranking
1903
National Ranking
612

Research.com Recognitions

  • 1992 - Fellow of the Indian National Academy of Engineering (INAE)
  • 1989 - IEEE Fellow For technical and administrative contributions to ultrasonic bio-engineering.

Overview

William D. O'Brien is affiliated with the University of Illinois at Urbana-Champaign in the United States. Their research primarily focuses on the field of Medicine, with significant contributions to Epidemiology, Biomedical Engineering, Radiology, Nuclear Medicine and Imaging, Hepatology, and Public Health, Environmental and Occupational Health. The subfields reflect a strong interdisciplinary approach linking medical imaging and disease diagnosis.

The scientist's research topics cover a range of areas including Preterm Birth and Chorioamnionitis, Ultrasound and Hyperthermia Applications, Ultrasound Imaging and Elastography, Liver Disease Diagnosis and Treatment, Hepatocellular Carcinoma Treatment and Prognosis, Pregnancy-related medical research, and Cancer, Lipids, and Metabolism.

Frequent coauthors include Aiguo Han, Barbara L. McFarlin, Douglas G. Simpson, Michelle Villegas-Downs, and John W. Erdman, indicating collaborative work across multiple research projects.

They have published extensively in several key journals. The prominent publication venues are:

  • The Journal of the Acoustical Society of America
  • Journal of Ultrasound in Medicine
  • Radiology
  • Ultrasound in Medicine & Biology
  • IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control

Some of their recent papers include:

  • Noninvasive Diagnosis of Nonalcoholic Fatty Liver Disease and Quantification of Liver Fat with Radiofrequency Ultrasound Data Using One-dimensional Convolutional Neural Networks, 2020, Radiology
  • Assessment of Hepatic Steatosis in Nonalcoholic Fatty Liver Disease by Using Quantitative US, 2020, Radiology
  • Liver Fat Assessment in Multiview Sonography Using Transfer Learning With Convolutional Neural Networks, 2021, Journal of Ultrasound in Medicine
  • Direct Comparison of Quantitative US versus Controlled Attenuation Parameter for Liver Fat Assessment Using MRI Proton Density Fat Fraction as the Reference Standard in Patients Suspected of Having NAFLD, 2022, Radiology
  • BeeLive: The IoT platform of Beemon monitoring and alerting system for beehives, 2023, Smart Agricultural Technology

William D. O'Brien has received recognition including the Fellow of the Indian National Academy of Engineering (INAE) in 1992 and IEEE Fellow status in 1989 for technical and administrative contributions to ultrasonic bio-engineering.

Best Publications

  • Ultrasound—biophysics mechanisms

    William D. O'Brien

  • Young's modulus measurements of soft tissues with application to elasticity imaging

    E.J. Chen;J. Novakofski;W.K. Jenkins;W.D. O'Brien

  • Current time-domain methods for assessing tissue motion by analysis from reflected ultrasound echoes-a review

    I.A. Hein;W.D. O'Brien

  • Quantitative assessment of the germicidal efficacy of ultrasonic energy.

    G Scherba;R M Weigel;W D O'Brien

  • Synthetic aperture techniques with a virtual source element

    C.H. Frazier;W.D. O'Brien

  • Flow velocity profile via time-domain correlation: error analysis and computer simulation

    S.G. Foster;P.M. Embree;W.D. O'Brien

  • Differentiation and characterization of rat mammary fibroadenomas and 4T1 mouse carcinomas using quantitative ultrasound imaging

    M.L. Oelze;W.D. O'Brien;J.P. Blue;J.F. Zachary

  • Blind estimation of reverberation time.

    Rama Ratnam;Douglas L. Jones;Bruce C. Wheeler;William D. O’Brien

  • Noninvasive Diagnosis of Nonalcoholic Fatty Liver Disease and Quantification of Liver Fat Using a New Quantitative Ultrasound Technique

    Steven C. Lin;Elhamy Heba;Tanya Wolfson;Brandon Ang

  • Interlaboratory comparison of ultrasonic backscatter, attenuation, and speed measurements.

    E. L. Madsen;Fang Dong;G. R. Frank;B. S. Garra

  • Detection of lines and boundaries in speckle images-application to medical ultrasound

    R.N. Czerwinski;D.L. Jones;W.D. O'Brien

  • Characterization of tissue microstructure using ultrasonic backscatter: theory and technique for optimization using a Gaussian form factor.

    Michael L. Oelze;James F. Zachary;William D. O’Brien

  • Intrabody communication with ultrasound

    William D. O'brien;Albert S. Feng;Bruce C. Wheeler;Charissa R. Lansing

  • Pulse-echo field distribution measurement technique for high-frequency ultrasound sources

    K. Raum;W.D. O'Brien

  • Interlaboratory comparison of ultrasonic backscatter coefficient measurements from 2 to 9 MHz.

    Keith A. Wear;Timothy A. Stiles;Gary R. Frank;Ernest L. Madsen

  • Volumetric blood flow via time-domain correlation: experimental verification

    P.M. Embree;W.D. O'Brien

  • Line and boundary detection in speckle images

    R.N. Czerwinski;D.L. Jones;W.D. O'Brien

  • Binaural-signal-processing techniques

    Albert S. Feng;Chen Liu;Robert C. Bilger;Douglas L. Jones

  • Localization of multiple sound sources with two microphones.

    Chen Liu;Bruce C. Wheeler;William D. O’Brien;Robert C. Bilger

  • Measurement of Attenuation and Speed of Sound in Soils

    Michael L. Oelze;William D. O'Brien;Robert G. Darmody

  • Ultrasonic propagation properties of articular cartilage at 100 MHz

    Diane H. Agemura;William D. O’Brien;John E. Olerud;Lawrence E. Chun

  • 2003 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM

    James F. Greenleaf;William D. O'Brien;Helen Routh

Frequent Co-Authors

Michael L. Oelze
Michael L. Oelze University of Illinois at Urbana-Champaign
John W. Erdman
John W. Erdman University of Illinois at Urbana-Champaign
Douglas L. Jones
Douglas L. Jones University of Illinois at Urbana-Champaign
Bruce C. Wheeler
Bruce C. Wheeler University of Florida
Albert S. Feng
Albert S. Feng University of Illinois at Urbana-Champaign
Rohit Loomba
Rohit Loomba University of California, San Diego
Claude B. Sirlin
Claude B. Sirlin University of California, San Diego
Timothy J. Hall
Timothy J. Hall University of Wisconsin–Madison
James A. Zagzebski
James A. Zagzebski University of Wisconsin–Madison
Ernest L. Madsen
Ernest L. Madsen University of Wisconsin–Madison

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