izv. prof. dr. sc. Tomislav Hrkać

Associate professor, Department of Electronics, Microelectronics, Computer and Intelligent Systems

Location:
D-344
Public phone number:
6129-926
Internal phone number:
426
E-mail:
E-mail
  Journal articles and review articles in CC journals
 

1. Brkić, Karla; Hrkać, Tomislav; Kalafatić, Zoran.
Protecting the Privacy of Humans in Video Sequences using a Computer Vision-Based De- Identification Pipeline. // Expert systems with applications. 87 (2017) ; 41-55 (journal article).

2. Brkić, Karla; Hrkać, Tomislav; Kalafatić, Zoran; Sikirić, Ivan.
Face, hairstyle and clothing colour de- identification in video sequences. // IET signal processing. 11 (2017) , 9; 1062-1068 (journal article).

3. Ribarić, Slobodan; Hrkać, Tomislav.
A model of fuzzy spatio-temporal knowledge representation and reasoning based on high-level Petri nets. // Information systems. 37 (2012) , 3; 238-256 (journal article).

4. Ribarić, Slobodan; Hrkać, Tomislav.
TeMAS - a multi-agent system for temporally rich domains. // Knowledge and information systems. 15 (2008) , 1; 1-30 (journal article).
 
  Scientific papers in other journals
 

1. Hrkać, Tomislav; Brkić, Karla.
Iterative Automated Foreground Segmentation in Video Sequences Using Graph Cuts. // Lecture Notes in Computer Science : Pattern Recognition / 37th German Conference, GCPR 2015, Aachen, Germany, October 7–10, 2015, Proceedings. 9358 (2015) ; 308-319 (journal article).

2. Hrkać, Tomislav; Kalafatić, Zoran; Krapac, Josip.
Infrared-Visual Image Registration Based on Corners and Hausdorff Distance. // Lecture notes in Computer Science : Image Analysis. 4522 (2007) ; 383-392 (journal article).

3. Ribarić, Slobodan; Hrkać, Tomislav.
Object-Oriented Simulator of Multi-Agent System for Temporally Rich Domains. // CIT. 11 (2003) , 3; 201-207 (journal article).
 
  Scientific conference papers with international peer-review
 

1. Brkić, Karla; Sikirić, Ivan; Hrkać, Tomislav; Kalafatić, Zoran.
I Know That Person: Generative Full Body and Face De-identification of People in Images // Computer Vision and Pattern Recognition Workshops (CVPRW), 2017 IEEE Conference on.
IEEE, 2017. 1319-1328 (poster,international peer-review,published,scientific).

2. Hrkać, Tomislav; Brkić, Karla; Kalafatić, Zoran.
Multi-Class U-Net for Segmentation of Non-biometric Identifiers // IMVIP 2017 Irish Machine Vision and Image Processing Conference Proceedings / McDonald, John ; Markham, Charles ; Winslanley, Adam, editor(s).
Maynooth : Irish Pattern Recognition & Classification Society, 2017. 131-138 (lecture,international peer-review,published,scientific).

3. Brkić, Karla; Hrkać, Tomislav; Sikirić, Ivan; Kalafatić, Zoran.
Towards Neural Art-based Face De-identification in Video Data // Sensing, Processing and Learning for Intelligent Machines (SPLINE), 2016 First International Workshop on.
Aalborg, Denmark : IEEE, 2016. 11-15 (lecture,international peer-review,published,scientific).

4. Brkić, Karla; Sikirić, Ivan; Hrkać, Tomislav; Kalafatić, Zoran.
De-identifying people in videos using neural art // Proc. Image Processing Theory Tools and Applications (IPTA), 2016 6th International Conference on.
IEEE, 2016. 1-6 (poster,international peer-review,published,scientific).

5. Filković, Ivan; Kalafatić, Zoran; Hrkać, Tomislav.
Deep Metric Learning for Person Re-Identification and De-Identification // Proceedings of the 39th International Convention MIPRO 2016 / Biljanović, Petar, editor(s).
Rijeka : MIPRO, 2016. 1454-1458 (lecture,international peer-review,published,scientific).

6. Hrkać, Tomislav; Brkić, Karla; Kalafatić, Zoran.
Tattoo Detection for Soft Biometric De-identification Based on Convolutional Neural Networks // 1st OAGM-ARW Joint Workshop - Vision Meets Robotics / Kurt Niel, Peter M. Roth, Markus Vincze, editor(s).
Austria : OeAGM/AAPR, 2016. 131-138 (lecture,international peer-review,published,scientific).

7. Hrkać, Tomislav; Brkić, Karla; Ribarić, Slobodan; Marčetić, Darijan.
Deep Learning Architectures for Tattoo Detection and De- identification // Sensing, Processing and Learning for Intelligent Machines (SPLINE), 2016 First International Workshop on.
Aalborg, Denmark : IEEE, 2016. 45-49 (lecture,international peer-review,published,scientific).

8. Marčetić, Darijan; Hrkać, Tomislav; Ribarić, Slobodan.
Two-stage cascade model for unconstrained face detection // First International Workshop on Sensing, Processing and Learning for Intelligent Machines (SPLINE), 2016 / Zheng - Hua Tan, editor(s).
Aalborg : Curran Associates, Inc., 2016. 21-24 (lecture,international peer-review,published,scientific).

9. Blažević, Martin; Brkić, Karla; Hrkać, Tomislav.
Towards Reversible De-Identification in Video Sequences Using 3D Avatars and Steganography // Proceedings of the Croatian Computer Vision Workshop, Year 3 / Lončarić, Sven ; Krapac, Josip, editor(s).
Zagreb : University of Zagreb Faculty of Electrical Engineering and Computing, 2015. 9-15 (lecture,international peer-review,published,scientific).

10. Brkić, Karla; Hrkać, Tomislav; Kalafatić, Zoran.
Detecting Humans in Videos by Combining Heterogeneous Detectors // Proceedings of the 38th International Convention on Information and Communication Technology, Electronics and Microelectronic MIPRO 2015, Intelligent Systems (CIS) / Biljanović, Petar, editor(s).
Rijeka : Croatian Society for Information and Communication Technology, Electronics and Microelectronics - MIPRO, 2015. (lecture,international peer-review,published,scientific).

11. Čupić, Marko; Brkić, Karla; Hrkać, Tomislav; Mihajlović, Željka; Kalafatić, Zoran.
Automatic recognition of handwritten corrections for multiple-choice exam answer sheets // Proceedings of the 37th International Convention on Information and Communication Technology, Electronics and Microelectronic MIPRO 2014, Intelligent Systems (CIS) / Biljanović, Petar, editor(s).
Rijeka, 2014. 1386-1391 (lecture,international peer-review,published,scientific).

12. Lipovac, Igor; Hrkać, Tomislav; Brkić, Karla; Kalafatić, Zoran; Šegvić, Siniša.
Experimental Evaluation of Vehicle Detection Based on Background Modelling in Daytime and Night-Time Video // CCVW 2014 Proceedings of the Croatian Computer Vision Workshop / Lončarić, Sven ; Subašić, Marko, editor(s).
Zagreb : University of Zagreb, Faculty of Electrical Engineering and Computing, 2014. 3-8 (lecture,international peer-review,published,scientific).

13. Čupić, Marko; Brkić, Karla; Hrkać, Tomislav; Kalafatić, Zoran.
Supporting automated grading of formative multiple choice exams by introducing student identifier matrices // 34th International Convention on Information and Communication Technology, Electronics and Microelectronics, Proceedings Vol. III Computers in Technical Systems & Intelligent Systems / Bogunović, Nikola ; Ribarić, Slobodan, editor(s).
Zagreb : DENONA, 2011. 393-398 (lecture,international peer-review,published,scientific).

14. Ribarić, Slobodan; Hrkać, Tomislav.
A Knowledge Representation and Reasoning Based on Petri Nets with Spatio-Temporal Tokens // Proceedings of the IEEE Region 8 EUROCON 2007 : The International Conference on Computer as a Tool.
2007. 793-800 (poster,international peer-review,published,scientific).

15. Hrkać, Tomislav; Kalafatić, Zoran.
Corner-Based Infrared-Visual Image Registration. // Zbornik petnajste mednarodne Elektrotehniške in računalniške konference (ERK 2006) = Proceedings of the Fifteenth International Electrotechnical and Computer Science Conference. Vol. B / Zajc, Baldomir ; Trost, Andrej, editor(s).
Ljubljana : IEEE Region 8, Slovenska sekcija IEEE, 2006. 217-220 (lecture,international peer-review,published,scientific).

16. Ribarić, Slobodan; Hrkać, Tomislav; Pavešić, Nikola.
Hierarchical Model of Multi-Agent System for Spatio-Temproal Rich Domains // Proceedings of the 6th International Conference on Intelligent Engineering Systems : INES 2002 / Lovrenčić, Alen ; Rudas, Imre J., editor(s).
Zagreb : Faculty of Organization and Informatics, 2002. 321-326 (lecture,international peer-review,published,scientific).

17. Ribarić, Slobodan; Hrkać, Tomislav; Dalbelo Bašić, Bojana.
Model of Multi-agent System for Temporally Rich Domains // 10th International Conference on Microelectronics, Electronics and Electronic Technologies (MEET) ; 7th International Conference on Multimedia and Hypermedia Systems MMHS) ; 24th International Convention (MIPRO 2001) : proceedings conferences / Biljanovic, Petar ; Skala, Karolj, editor(s).
Rijeka : MIPRO, 2001. 20-25 (lecture,international peer-review,published,scientific).
 
  Abstracts in Book of abstracts
 

1. Brkić, Karla; Hrkać, Tomislav.
De-identifying People in Videos Using Graph Cuts and Neural Art // CVPR 2016 Women in Computer Vision Workshop.
(poster,international peer-review,abstract).
 
  Dissertations
 

1. Hrkać, Tomislav.
Fuzzy spatio-temporal knowledge representation based on high-level Petri nets / doctoral thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 25.02. 2009., 237 pages. Mentor: Ribarić, Slobodan.
 
  Master thesis
 

1. Hrkać, Tomislav.
Multiagent system simulator for temporally rich domains / pre-Bologna master thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 24.11. 2004., 152 pages. Mentor: Ribarić, Slobodan.
 
  Graduation thesis
 

1. Hrkać, Tomislav.
Using neural nets for generating depth maps by stereo vision / pre-Bologna graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 08.07. 1999, 72 pages. Mentor: Ribarić, Slobodan.
 
  Mentoring
 

1. Čulo, Ante.
Control of Physical System Computer Model Based on Artificial Intelligence Algorithms / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 26.06. 2017, 17 pages. Mentor: Tomislav Hrkac.

2. Dania, Filip.
Simulation and Analysis of Emotional Response of BDI Agents with Personality Modeling Support / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 29.06. 2017, 69 pages. Mentor: Tomislav Hrkać.

3. Kontić, Filip.
Detection of Players in Video Recordings of Sports Matches / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 03.02. 2017, 34 pages. Mentor: Tomislav Hrkać.

4. Križaj, Lovro.
Implementation of Neural Network Using Programable Devices / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 29.06. 2017, 25 pages. Mentor: Tomislav Hrkać.

5. Larva, Mislav.
Product Recommendation System Based on Graph Database / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 29.06. 2017, 42 pages. Mentor: Tomislav Hrkać.

6. Mandić, Josip.
Detection and Localization of Persons in Images Using Convolutional Neural Networks / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 29.06. 2017, 44 pages. Mentor: Tomislav Hrkać.

7. Paun Jarallah, Josip Salaheddin.
Detection and Tracking of Players in Video Sequences of Sport Matches / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 29.06. 2017, 34 pages. Mentor: Tomislav Hrkać.

8. Matošević, Luka.
Parallel Implementation of Computer Vision Algorithms for Object Detection / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 01.07. 2016, 29 pages. Mentor: Tomislav Hrkać.

9. Savić, Bojana.
Controlable Virtual Human Model for De- identification in Video Sequences / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 01.07. 2016, 51 pages. Mentor: Tomislav Hrkać.

10. Blažević, Martin.
Reversible de-identification in video sequences / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 14.07. 2015, 45 pages. Mentor: Hrkać, Tomislav.

11. Srebot, Mateo.
Person detection in images and video sequences based on machine learning / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 30.06. 2015, 45 pages. Mentor: Tomislav Hrkać.

12. Bogović, Mate.
Application development using XPages technology / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 30.06. 2014, 32 pages. Mentor: Tomislav Hrkać.

13. Domazet, Filip.
Detection and recognition of handwritten characters / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 28.06. 2013, 23 pages. Mentor: Tomislav Hrkać.

14. Orešković; Ivan.
Agent-based simulation of group formations / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 28.06. 2013, 35 pages. Mentor: Tomislav Hrkać.

15. Tomac, Antonio.
Drum sound recognition in digital audio files / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 28.06. 2013, 45 pages. Mentor: Tomislav Hrkać.

16. Zrilić, Joso.
Mobile application for user motion tracking / graduate thesis.
Zagreb : Fakultet elektrotehnike i računarstva, 28.06. 2013, 35 pages. Mentor: Tomislav Hrkać.
 

Teaching duties

University undergraduate

University graduate

Postgraduate doctoral study programme

Competences

  • Circuits and systems
    Logic arrays Logic circuits Microprocessors Programmable circuits Logic devices
  • Computers and information processing
    Computer architecture Image processing Image analysis Image recognition Image registration Image segmentation Machine vision Pattern recognition 
  • Imaging
    Stereo vision
  • Computational and artificial intelligence
    Learning (artificial intelligence) Backpropagation Semisupervised learning Supervised learning Unsupervised learning Machine learning Artificial neural networks Convolutional neural networks Multi-layer neural network
  • Robotics and automation
    Computer vision