World's Best Scientists 2026 revealed!
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Computer Science
Czechia
2026

D-Index & Metrics

Computer Science

D-Index
48
Citations
8644
World Ranking
6211
National Ranking
10

Ondrej Krejcar 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 Ondrej Krejcar 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: 476 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Ondrej Krejcar 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 Ondrej Krejcar 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: 48 D-Index — 58th percentile

58% 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

  • 2026 - Research.com Computer Science in Czechia Leader Award

Overview

Ondrej Krejcar is affiliated with the University of Hradec Králové in the Czech Republic. Their research primarily spans the fields of Computer Science and Engineering, with a substantial focus on subfields such as Computer Vision and Pattern Recognition, Artificial Intelligence, Electrical and Electronic Engineering, Cognitive Neuroscience, and Computer Networks and Communications.

Their work covers several specialized topics including EEG and Brain-Computer Interfaces, Network Security and Intrusion Detection, Fractal and DNA sequence analysis, Advanced Malware Detection Techniques, Neural dynamics and brain function, Brain Tumor Detection and Classification, and Face and Expression Recognition.

Krejcar has contributed extensively to the scientific literature with notable recent papers such as:

  • Future Trends and Current State of Smart City Concepts: A Survey, 2020, IEEE Access
  • DeprNet: A Deep Convolution Neural Network Framework for Detecting Depression Using EEG, 2021, IEEE Transactions on Instrumentation and Measurement
  • Facial Expression Recognition Using Local Gravitational Force Descriptor-Based Deep Convolution Neural Networks, 2020, IEEE Transactions on Instrumentation and Measurement
  • Multiclass Prediction Model for Student Grade Prediction Using Machine Learning, 2021, IEEE Access
  • Deep Learning for Phishing Detection: Taxonomy, Current Challenges and Future Directions, 2022, IEEE Access

Krejcar frequently publishes in venues such as:

  • Fractals
  • IEEE Access
  • IEEE Transactions on Instrumentation and Measurement
  • Sensors
  • Fluctuation and Noise Letters

Collaboration has formed a significant part of their research efforts, with recurring co-authors including Ali Selamat, Hamidreza Namazi, Ayan Seal, Vimal Bhatia, and Debotosh Bhattacharjee.

Best Publications

  • Future Trends and Current State of Smart City Concepts: A Survey

    Ayca Kirimtat;Ondrej Krejcar;Attila Kertesz;M. Fatih Tasgetiren

  • Breast Cancer Detection Using Infrared Thermal Imaging and a Deep Learning Model.

    Sebastien Jean Mambou;Petra Maresova;Ondrej Krejcar;Ali Selamat

  • Consequences of Industry 4.0 in Business and Economics

    Petra Maresova;Ivan Soukal;Libuse Svobodova;Martina Hedvicakova

  • Industry 4.0 for the construction industry: how ready is the industry?

    Raihan Maskuriy;Ali Selamat;Kherun Nita Ali;Petra Maresova

  • DeprNet: A Deep Convolution Neural Network Framework for Detecting Depression Using EEG

    Ayan Seal;Rishabh Bajpai;Jagriti Agnihotri;Anis Yazidi

  • Deep Learning for Phishing Detection: Taxonomy, Current Challenges and Future Directions

    Unknown

  • Industry 4.0 for the Construction Industry: Review of Management Perspective

    Raihan Maskuriy;Ali Selamat;Petra Maresova;Ondrej Krejcar

  • Facial Expression Recognition Using Local Gravitational Force Descriptor-Based Deep Convolution Neural Networks

    Karnati Mohan;Ayan Seal;Ondrej Krejcar;Anis Yazidi

  • Multiclass Prediction Model for Student Grade Prediction Using Machine Learning

    Siti Dianah Abdul Bujang;Ali Selamat;Roliana Ibrahim;Ondrej Krejcar

  • Understanding Deep Learning Techniques for Recognition of Human Emotions Using Facial Expressions: A Comprehensive Survey

    Unknown

  • A review of infrared thermography for the investigation of building envelopes: Advances and prospects

    Ayca Kirimtat;Ondrej Krejcar

  • A combined negative selection algorithm-particle swarm optimization for an email spam detection system

    Ismaila Idris;Ali Selamat;Ali Selamat;Ngoc Thanh Nguyen;Sigeru Omatu

  • Multi-objective energy and daylight optimization of amorphous shading devices in buildings

    Ayca Kirimtat;Ondrej Krejcar;Berk Ekici;M. Fatih Tasgetiren

  • Modified frequency-based term weighting schemes for text classification

    Thabit Sabbah;Thabit Sabbah;Ali Selamat;Ali Selamat;Hafiz Selamat;Fawaz S. Al-Anzi

  • Digital Learning Demand for Future Education 4.0—Case Studies at Malaysia Education Institutions

    Siti Dianah Abdul Bujang;Ali Selamat;Ondrej Krejcar;Petra Maresova

  • Multilayer Framework for Botnet Detection Using Machine Learning Algorithms

    Wan Nur Hidayah Ibrahim;Syahid Anuar;Ali Selamat;Ondrej Krejcar

  • Polyp-Net: A Multimodel Fusion Network for Polyp Segmentation

    Debapriya Banik;Kaushiki Roy;Debotosh Bhattacharjee;Mita Nasipuri

  • FLEPNet: Feature Level Ensemble Parallel Network for Facial Expression Recognition

    Unknown

  • A deep CNN model for anomaly detection and localization in wireless capsule endoscopy images.

    Samir Jain;Ayan Seal;Aparajita Ojha;Anis Yazidi

  • Use of mobile phones as intelligent sensors for sound input analysis and sleep state detection.

    Ondrej Krejcar;Jakub Jirka;Dalibor Janckulik

  • LieNet: A Deep Convolution Neural Networks Framework for Detecting Deception

    Mohan Karnati;Ayan Seal;Anis Yazidi;Ondrej Krejcar

  • Complex Biomedical System with Mobile Clients

    Ondrej Krejcar;Dalibor Janckulik;Leona Motalova

  • Mobile Monitoring Stations and Web Visualization of Biotelemetric System - Guardian II

    Ondrej Krejcar;Dalibor Janckulik;Leona Motalova;Jan Kufel

  • Problem solving of low data throughput on mobile devices by artefacts prebuffering

    Ondrej Krejcar

  • Modern smart device-based concept of sensoric networks

    Miroslav Behan;Ondrej Krejcar

Frequent Co-Authors

Ali Selamat
Ali Selamat University of Technology Malaysia
Kamil Kuca
Kamil Kuca University of Hradec Králové
Enrique Herrera-Viedma
Enrique Herrera-Viedma University of Granada
Hamido Fujita
Hamido Fujita University of Technology Malaysia
Mita Nasipuri
Mita Nasipuri Jadavpur University
Kamel A. Abd-Elsalam
Kamel A. Abd-Elsalam Agricultural Research Center
Vaclav Snasel
Vaclav Snasel Technical University of Ostrava
Mohammed Rafiq Abdul Kadir
Mohammed Rafiq Abdul Kadir University of Technology Malaysia
João Paulo Teixeira
João Paulo Teixeira University of Porto
Dumitru Baleanu
Dumitru Baleanu Lebanese American University

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