World's Best Scientists 2026 revealed!
William F. Walker

William F. Walker

D-Index & Metrics

Engineering and Technology

D-Index
36
Citations
7099
World Ranking
8593
National Ranking
2379

William F. Walker publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where William F. Walker sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 134 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 117 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 59 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 181 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

William F. Walker D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where William F. Walker sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 128 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 349 scientists 41 D-Index: 362 scientists 42 D-Index: 425 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 94 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 24 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 36 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

William F. Walker is affiliated with Duke University in the United States. Their research spans multiple intersections of medicine and engineering, with a focus on imaging techniques and applications.

The main fields of study that Walker has contributed to include:

  • Medicine
  • Engineering

Their work is further specialized into subfields such as:

  • Radiology, Nuclear Medicine and Imaging
  • Biomedical Engineering
  • Mechanics of Materials
  • Radiation

Walker's research topics cover several aspects of imaging technology and wave propagation, namely:

  • Ultrasound Imaging and Elastography
  • Photoacoustic and Ultrasonic Imaging
  • Ultrasonics and Acoustic Wave Propagation
  • Medical Imaging Techniques and Applications
  • Advanced X-ray Imaging Techniques

Their recent publications reflect these topics and have appeared predominantly in the IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control and the Proceedings of the Water Environment Federation.

Recent papers include:

  • "Synthetic Aperture Focusing for Multi-Covariate Imaging of Sub-Resolution Targets" (2020), IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
  • "Intrinsic Tradeoffs in Multi-Covariate Imaging of Sub-Resolution Targets" (2020), IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
  • "Adaptive Models for Multi-Covariate Imaging of Sub-Resolution Targets (MIST)" (2022), IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control
  • "BSA Queen City Clean Waters: Leveraging Infrastructure Projects into Community Investment" (2025), Proceedings of the Water Environment Federation

Walker has collaborated frequently with other researchers in their fields, including:

  • Matthew R. Morgan
  • Gregg E. Trahey
  • Nick Bottenus
  • Rifat Ahmed
  • Katelyn Flint

These collaborations underscore a focus on ultrasound and acoustic imaging technologies, as demonstrated by the recurring venues and co-authors linked to this research area. Walker's contributions engage with both theoretical modeling and practical applications of advanced imaging and environmental infrastructure.

Best Publications

  • Quantitative Comparison of Algorithms for Tracking Single Fluorescent Particles

    Michael K. Cheezum;William F. Walker;William H. Guilford

  • Bioabsorbable stent and method of making the same

    Richard S. Stack;Howard G. Clark;William F. Walker;James H. McElhaney

  • A fundamental limit on delay estimation using partially correlated speckle signals

    W.F. Walker;G.E. Trahey

  • A comparison of the performance of time-delay estimators in medical ultrasound

    F. Viola;W.F. Walker

  • A spline-based algorithm for continuous time-delay estimation using sampled data

    F. Viola;W.F. Walker

  • A method of imaging viscoelastic parameters with acoustic radiation force

    William F Walker;Francisco J Fernandez;Laura A Negron

  • Comparison of PSGL-1 microbead and neutrophil rolling: microvillus elongation stabilizes P-selectin bond clusters.

    Eric Y.H. Park;McRae J. Smith;Emily S. Stropp;Karen R. Snapp

  • A fundamental limit on the performance of correlation based phase correction and flow estimation techniques

    W.F. Walker;G.E. Trahey

  • A constrained adaptive beamformer for medical ultrasound: initial results

    J.A. Mann;W.F. Walker

  • An intuitive ultrasonic imaging system and related method thereof

    William F. Walker;John A. Hossack;Travis N. Blalock

  • Method and apparatus for abberation correction in the presence of a distributed aberrator

    Gregg E. Trahey;Gary C-H Ng;William F. Walker;Paul D. Freiburger

  • A 32Gb/s wireline receiver with a low-frequency equalizer, CTLE and 2-tap DFE in 28nm CMOS

    S. Parikh;T. Kao;Y. Hidaka;Jian Jiang

  • The application of k-space in pulse echo ultrasound

    W.F. Walker;G.E. Trahey

  • Speckle coherence and implications for adaptive imaging

    William F. Walker;Gregg E. Trahey

  • Radiation force imaging of viscoelastic properties with reduced artifacts

    F. Viola;W.F. Walker

  • INTERNAL DEFORMATION OF A UNIFORM ELASTIC SOLID BY ACOUSTIC RADIATION FORCE

    William F. Walker

  • Efficient ultrasound system for two-dimentional c-scan imaging and related method thereof

    John A. Hossack;William F. Walker;Travis N. Blalock

  • A novel ultrasonic technique for differentiating cysts from solid lesions: preliminary results in the breast.

    Kathryn R. Nightingale;Phyllis J. Kornguth;William F. Walker;Bruce A. McDermott;Bruce A. McDermott

  • Sonorheometry: a noncontact method for the dynamic assessment of thrombosis.

    Francesco Viola;Margaret D. Kramer;Michael B. Lawrence;James P. Oberhauser

  • A speckle target adaptive imaging technique in the presence of distributed aberrations

    G.C. Ng;P.D. Freiburger;W.F. Walker;G.E. Trahey

Frequent Co-Authors

John A. Hossack
John A. Hossack University of Virginia
Gregg E. Trahey
Gregg E. Trahey Duke University
Cynthia A. Toth
Cynthia A. Toth Duke University
Kathryn R. Nightingale
Kathryn R. Nightingale Duke University
Arthur Garson
Arthur Garson University of Virginia
Jason P. Sheehan
Jason P. Sheehan University of Virginia
Neal F. Kassell
Neal F. Kassell Focused Ultrasound Foundation
Max Wintermark
Max Wintermark Stanford University
Scott L. Diamond
Scott L. Diamond University of Pennsylvania
Eben Alsberg
Eben Alsberg University of Illinois at Chicago

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