World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
35
Citations
4628
World Ranking
9012
National Ranking
2520

Stephen G. Ritchie 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 Stephen G. Ritchie sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 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: 118 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: 60 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: 225 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Stephen G. Ritchie 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 Stephen G. Ritchie sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 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: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 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: 95 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: 25 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: 35 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Overview

Stephen G. Ritchie is affiliated with the University of California, Irvine in the United States. Their research primarily focuses on engineering, with an emphasis on automotive engineering, electrical and electronic engineering, building and construction, renewable energy, sustainability and the environment, as well as computer vision and pattern recognition.

Their recent publications cover a range of topics related to transportation, energy, and environmental policies, as well as advanced sensing and monitoring technologies. Notable papers include:

  • Factors influencing alternative fuel adoption decisions in heavy-duty vehicle fleets, 2022, Transportation Research Part D Transport and Environment
  • Gender differences in elderly mobility in the United States, 2021, Transportation Research Part A Policy and Practice
  • Driving California's Transportation Emissions to Zero, 2021, RePEc: Research Papers in Economics
  • A dense background representation method for traffic surveillance based on roadside LiDAR, 2022, Optics and Lasers in Engineering
  • LiDAR Vehicle Point Cloud Reconstruction Framework for Axle-Based Classification, 2023, IEEE Sensors Journal

The frequent co-authors working with Stephen G. Ritchie are:

  • Andre Tok
  • Yiqiao Li
  • Guoliang Feng
  • Suman Mitra
  • Craig R. Rindt

Their frequent publication venues include:

  • Transportation Research Record Journal of the Transportation Research Board
  • Transportation Research Part D Transport and Environment
  • Transportation Research Part A Policy and Practice
  • RePEc: Research Papers in Economics
  • IEEE Sensors Journal

The scientist's main research topics encompass:

  • Electric Vehicles and Infrastructure
  • Vehicle emissions and performance
  • Energy, Environment, and Transportation Policies
  • Remote Sensing and LiDAR Applications
  • Infrastructure Maintenance and Monitoring
  • Traffic Prediction and Management Techniques
  • Advanced Neural Network Applications

Best Publications

  • A method for identifying rear-end collision risks using inductive loop detectors

    Cheol Oh;Sohee Park;Stephen G. Ritchie

  • Automated detection of lane-blocking freeway incidents using artificial neural networks

    Ruey L. Cheu;Stephen G. Ritchie

  • A neural network-based methodology for pavement crack detection and classification

    Mohamed S. Kaseko;Stephen G. Ritchie

  • Freeway ramp metering using artificial neural networks

    H. Michael Zhang;Stephen G. Ritchie

  • Use of vehicle signature analysis and lexicographic optimization for vehicle reidentification on freeways

    Carlos Sun;Stephen G. Ritchie;Kevin Tsai;R. Jayakrishnan

  • Enhancing the universality and transferability of freeway incident detection using a Bayesian-based neural network

    Baher Abdulhai;Stephen G. Ritchie

  • Simulation Of Freeway Incident Detection Using Artificial Neural Networks

    Stephen G. Ritchie;Ruey L. Cheu

  • STOCHASTIC MODELING AND REAL-TIME PREDICTION OF VEHICULAR LANE-CHANGING BEHAVIOR

    Jiuh-Biing Sheu;Stephen G Ritchie

  • Some general results on the optimal ramp control problem

    Hongli Zhang;S G Ritchie;W W Recker

  • Coordinated traffic-responsive ramp control via nonlinear state feedback

    H.M. Zhang;Stephen G. Ritchie;R. Jayakrishnan

  • COMPARISON OF TRADITIONAL AND NEURAL CLASSIFIERS FOR PAVEMENT-CRACK DETECTION.

    Mohamed S. Kaseko;Zhen-Ping Lo;Stephen G. Ritchie

  • Real-Time Traffic Measurement from Single Loop Inductive Signatures

    Unknown

  • Real-time hazardous traffic condition warning system: framework and evaluation

    Unknown

  • Real-Time Estimation of Accident Likelihood for Safety Enhancement

    Unknown

  • Factors influencing alternative fuel adoption decisions in heavy-duty vehicle fleets

    Unknown

  • Vehicle Reidentification using multidetector fusion

    C.C. Sun;G.S. Arr;R.P. Ramachandran;S.G. Ritchie

  • Assessing air quality and health benefits of the Clean Truck Program in the Alameda corridor, CA

    Gunwoo Lee;Soyoung (Iris) You;Stephen G. Ritchie;Jean-Daniel Saphores

  • Macroscopic Modeling of Freeway Traffic Using an Artificial Neural Network

    Hongjun Zhang;Stephen G. Ritchie;Zhen-Ping Lo

  • Use of Ride-Hailing Services among Older Adults in the United States:

    Suman Kumar Mitra;Suman Kumar Mitra;Youngeun Bae;Stephen G. Ritchie

  • A multi-agent architecture for cooperative inter-jurisdictional traffic congestion management

    Filippo Logi;Stephen G Ritchie

  • Environmental Impacts of a Major Freight Corridor: A Study of I-710 in California

    Gunwoo Lee;Soyoung You;Stephen G Ritchie;Jean-Daniel Maurice Saphores

  • STATISTICAL AND NEURAL CLASSIFIERS TO DETECT TRAFFIC OPERATIONAL PROBLEMS ON URBAN ARTERIALS

    Sarosh I. Khan;Stephen G. Ritchie

  • Development and evaluation of a knowledge-based system for traffic congestion management and control

    Filippo Logi;Stephen G. Ritchie

  • Recognizing vehicle classification information from blade sensor signature

    Cheol Oh;Stephen G. Ritchie

  • INTELLIGENT TRANSPORTATION SYSTEMS: RESEARCH PRODUCTS FOR PUBLIC WORKS PROFESSIONALS

    Patrick Conroy;Steven Shladover;Joy Dahlgren;Pravin Varaiya

Frequent Co-Authors

Jean-Daniel Saphores
Jean-Daniel Saphores University of California, Irvine
Wilfred W. Recker
Wilfred W. Recker University of California, Irvine
Ruey Long Cheu
Ruey Long Cheu The University of Texas at El Paso
H.M. Zhang
H.M. Zhang University of California, Davis
Wen-Long Jin
Wen-Long Jin University of California, Irvine
Jiuh-Biing Sheu
Jiuh-Biing Sheu National Taiwan University
Pravin Varaiya
Pravin Varaiya University of California, Berkeley
Susan Shaheen
Susan Shaheen University of California, Berkeley
Daniel Sperling
Daniel Sperling University of Haifa
Mark A. Delucchi
Mark A. Delucchi University of California, Berkeley

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