World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
51
Citations
13636
World Ranking
5253
National Ranking
2421

Nicholas Petrick publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Nicholas Petrick sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 262 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Nicholas Petrick D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Nicholas Petrick sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 51 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Research.com Recognitions

  • 2019 - Fellow of the Indian National Academy of Engineering (INAE)
  • 2018 - SPIE Fellow

Overview

Nicholas Petrick is affiliated with the US Food and Drug Administration in the United States. Their work primarily spans the fields of Medicine and Computer Science, focusing on specialized subfields such as Radiology, Nuclear Medicine and Imaging, Artificial Intelligence, Health Informatics, Pulmonary and Respiratory Medicine, and Biomedical Engineering.

Their research involves several main topics, including:

  • Radiomics and Machine Learning in Medical Imaging
  • Artificial Intelligence in Healthcare and Education
  • AI in cancer detection
  • Advanced X-ray and CT Imaging
  • Lung Cancer Diagnosis and Treatment
  • Machine Learning in Healthcare
  • COVID-19 diagnosis using AI

The scientist has contributed to numerous publications in both journals and conference venues. Frequent publication venues where their work appears include:

  • arXiv (Cornell University)
  • Journal of Medical Imaging
  • Medical Physics
  • The Journal of Open Source Software
  • npj Digital Medicine

Recent papers authored or co-authored by Nicholas Petrick include:

  • "Data drift in medical machine learning: implications and potential remedies", 2023, British Journal of Radiology
  • "AAPM task group report 273: Recommendations on best practices for AI and machine learning for computer-aided diagnosis in medical imaging", 2022, Medical Physics
  • "Transparency of artificial intelligence/machine learning-enabled medical devices", 2024, npj Digital Medicine
  • "SPIE-AAPM-NCI BreastPathQ challenge: an image analysis challenge for quantitative tumor cellularity assessment in breast cancer histology images following neoadjuvant treatment", 2021, Journal of Medical Imaging
  • "Artificial intelligence in medicine: mitigating risks and maximizing benefits via quality assurance, quality control, and acceptance testing", 2024, BJR|Artificial Intelligence

Frequent co-authors collaborating with Nicholas Petrick include:

  • Berkman Sahiner
  • H. Kenny
  • Ravi K. Samala
  • Mohammad Mehdi Farhangi
  • Gene Pennello

Nicholas Petrick has received several honors, including the Fellow of the Indian National Academy of Engineering (INAE) awarded in 2019 and the SPIE Fellow designation in 2018.

Best Publications

  • The Lung Image Database Consortium (LIDC) and Image Database Resource Initiative (IDRI): a completed reference database of lung nodules on CT scans.

    Samuel G. Armato;Geoffrey McLennan;Luc Bidaut;Michael F. McNitt-Gray

  • Classification of mass and normal breast tissue: a convolution neural network classifier with spatial domain and texture images

    B. Sahiner;Heang-Ping Chan;N. Petrick;Datong Wei

  • Lung nodule detection on thoracic computed tomography images: Preliminary evaluation of a computer-aided diagnosis system

    Metin N. Gurcan;Berkman Sahiner;Nicholas Petrick;Heang Ping Chan

  • Quantitative imaging biomarkers: a review of statistical methods for technical performance assessment.

    David L Raunig;Lisa M McShane;Gene Pennello;Constantine Gatsonis

  • Comparing two correlated C indices with right-censored survival outcome: a one-shot nonparametric approach

    Le Kang;Weijie Chen;Nicholas A. Petrick;Brandon D. Gallas

  • Improvement of radiologists' characterization of mammographic masses by using computer-aided diagnosis: an ROC study.

    Heang-Ping Chan;Berkman Sahiner;Mark A. Helvie;Nicholas Petrick

  • An adaptive density-weighted contrast enhancement filter for mammographic breast mass detection

    N. Petrick;Heang-Ping Chan;B. Sahiner;Datong Wei

  • Computer-aided classification of mammographic masses and normal tissue: linear discriminant analysis in texture feature space

    Heang-Ping Chan;Datong Wei;Mark A. Helvie;Berkman Sahiner

  • Computerized analysis of mammographic microcalcifications in morphological and texture feature spaces

    Heang Ping Chan;Berkman Sahiner;Kwok Leung Lam;Nicholas Petrick

  • Computerized characterization of masses on mammograms: The rubber band straightening transform and texture analysis

    Berkman Sahiner;Heang Ping Chan;Nicholas Petrick;Mark A. Helvie

  • Computerized image analysis: estimation of breast density on mammograms.

    Chuan Zhou;Heang-Ping Chan;Nicholas Petrick;Mark A. Helvie

  • Improvement of mammographic mass characterization using spiculation measures and morphological features

    Berkman Sahiner;Heang-Ping Chan;Nicholas Petrick;Mark A. Helvie

  • Computer-aided characterization of mammographic masses: accuracy of mass segmentation and its effects on characterization

    B. Sahiner;N. Petrick;Heang-Ping Chan;L.M. Hadjiiski

  • System and Method of Identifying a Potential Lung Nodule

    Heang-Ping Chan;Berkman Sahiner;Lubomir M. Hadjiyski;Chuan Zhou

  • Image feature selection by a genetic algorithm: application to classification of mass and normal breast tissue.

    Berkman Sahiner;Heang Ping Chan;Datong Wei;Nicholas Petrick

  • Noncalcified Lung Nodules: Volumetric Assessment with Thoracic CT

    Marios A. Gavrielides;Lisa M. Kinnard;Kyle J. Myers;Nicholas Petrick

  • Computerized classification of malignant and benign microcalcifications on mammograms: texture analysis using an artificial neural network.

    Heang-Ping Chan;Berkman Sahiner;Nicholas A. Petrick;Mark A. Helvie

  • Automated detection of breast masses on mammograms using adaptive contrast enhancement and texture classification

    Nicholas Petrick;Heang Ping Chan;Datong Wei;Berkman Sahiner

  • Classification of mass and normal breast tissue on digital mammograms: Multiresolution texture analysis

    Datona Wei;Heana Pina Chan;Mark A. Helvie;Berkman Sahiner

  • Combined adaptive enhancement and region-growing segmentation of breast masses on digitized mammograms.

    Nicholas Petrick;Heang Ping Chan;Berkman Sahiner;Mark A. Helvie

Frequent Co-Authors

Berkman Sahiner
Berkman Sahiner United States Food and Drug Administration
Heang Ping Chan
Heang Ping Chan University of Michigan–Ann Arbor
Lubomir M. Hadjiiski
Lubomir M. Hadjiiski University of Michigan–Ann Arbor
Mark A. Helvie
Mark A. Helvie University of Michigan–Ann Arbor
Kyle J. Myers
Kyle J. Myers Texas A&M University
Ronald M. Summers
Ronald M. Summers National Institutes of Health
Jianhua Yao
Jianhua Yao Tencent (China)
Metin N. Gurcan
Metin N. Gurcan Wake Forest University
Neal H. Clinthorne
Neal H. Clinthorne University of Michigan–Ann Arbor
Alfred O. Hero
Alfred O. Hero University of Michigan–Ann Arbor

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