ZINC 2024 Conference Program

Tuesday, May 21

Tuesday, May 21 9:00 - 17:00

S0: South-East Europe Automotive Conference (partner of ZINC 2024)

Room: Crowne Plaza, Belgrade

Wednesday, May 22

Wednesday, May 22 8:00 - 9:00

H1: Registration

Room: Hall
Chair: Jelena Gajic (NIT Institute, Serbia)

Wednesday, May 22 9:00 - 17:00

DT: Industry Demos Tour

Room: Hall

Wednesday, May 22 9:00 - 10:20

S1: Session 1: AI in Health

Room: Main room
Chair: Jelena Kovacevic (University of Novi Sad, Serbia & RT-RK, Serbia)
Feature extraction procedures for chronic wound tissue classification
Bruno Zorić (Computer Science and Information Technology Osijek, Croatia); Dražen Bajer (Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, Croatia); Mario Dudjak (Josip Juraj Strossmayer University of Osijek, FERIT Osijek, Croatia)
Generative Adversarial Network for Data Augmentation and Substitution
Marko Stankovic, Luka Jovanovic, Nebojsa Bacanin, Miodrag Zivkovic, Marko Sarac and Milos Antonijevic (Singidunum University, Serbia)
Combined TOF and High-Resolution Video Solution for Medical Rehabilitation of a Remote Patient while Performing a Set of Exercises
Matvey Sevastianov (MIPT, Russia); Eugenia A Tsybul'ko (INTC Intelligent Electronics-Valdai, Russia); Ivan Chevychelov (MIPT, Russia); Aleksander V Khelvas (AtFrame DOO, Russia); Nikolay Zezyulinskiy (RUDN University, Russia); Roman Pavlovich (AtFrame DOO, Serbia); Ruslan Pashkov and Alla Zaitseva (MIPT, Russia)
Learning Localization of Body and Finger Animation Skeleton Joints on Three-Dimensional Models of Human Bodies
Stefan Novaković and Vladimir Risojević (Faculty of Electrical Engineering, University of Banja Luka, Bosnia and Herzegovina)

Wednesday, May 22 9:00 - 10:00

S2: Session 2: Automotive and Safety

Room B
Chair: Momčilo Krunić (LabSoft, Serbia)
A tool for detecting memory interference between AUTOSAR software components of different ASIL
Anja Obradov (University of Novi Sad, Serbia); Bogdan Pavkovic (University of Novi Sad, Serbia & University of California San Diego, Division of Extended Studies, USA)
Advancing Urban Transit: Gepard and CAR projects - Innovations in Trolleybus Technology
Mikołaj Bartłomiejczyk (Gdańsk University of Technology & Faculty of Electrical and Control Engineering, Poland)
A review of the approaches for enhancing driver safety through camera-based monitoring
Maksim Egelja (University of Novi Sad, Serbia); Bogdan Pavkovic (University of Novi Sad, Serbia & University of California San Diego, Division of Extended Studies, USA)

Wednesday, May 22 10:20 - 10:40

C1: Coffee break

Room: Canteen

Wednesday, May 22 10:40 - 11:00

OP: Opening

Room: Main room
Chair: Milan Z. Bjelica (NIT Institute, Serbia & University of California San Diego, USA)

Welcome address by Wen-Chung Kao, a chair professor with the Department of Electrical Engineering, National Taiwan Normal University, New Taipei, Taiwan.

Wednesday, May 22 11:00 - 11:40

K1: Invited talk: Towards Responsible and Trustworthy AI - Global Initiatives and the Outlook for Serbia

Room: Main room
Chair: Milan Z. Bjelica (NIT Institute, Serbia & University of California San Diego, USA)

Responsible and Trustworthy Artificial Intelligence (AI) has become a critical topic in policy, industry, and the sciences, as it is crucial for the adoption and acceptance of AI systems in various applications such as healthcare, business, government, and education. A trustworthy AI requires a range of properties such as safety, justice, explainability, human-centeredness, beneficence, autonomy, robustness, fairness, transparency, non-discrimination, promotion of social and environmental well-being, non-maleficence, and sustainability. Global initiatives put the aspect of responsible AI development at the focus of their efforts, and Dubravko will provide an overview of these initiatives and Serbia's role in AI.

Towards Responsible and Trustworthy AI - Global Initiatives and the Outlook for Serbia
Dubravko Culibrk (The Institute for Artificial Intelligence Research and Development of Serbia, Serbia)

Wednesday, May 22 11:40 - 12:20

K2: Invited talk: "(Ctrl+Alt+RAG: Resetting AI Expectations).join('EthicalAI')"

Room: Main room
Chair: Ivan Kastelan (University of Novi Sad, Serbia)

"AI is about to change how you use computers completely", said Bill Gates on November 09, 2023. Today, we are witnessing that such change is near. We are confident that the Retrieval Augmented Generation (RAG) method will advance this discourse greatly. The integration of retrieval mechanisms with generative capacities is a significant step toward the mentioned change, amplifying AI's ability to produce responses that are relevant to the context. Having said such strong averment, we will explore the principles of RAG in a discussion aimed at clarifying the complexities of developing RAG-based applications. The talk will debunk these applications, offering insights into the use of both proprietary and open-source large language models, and highlighting areas where RAG technology could play a transformative role. It will also detail the development lifecycle, identify industry areas suited for RAG application, and share success stories from our innovation hub. The talk will also address ethical considerations in RAG application engineering, focusing on the ethical aspects of AI and dissecting relevant regulations, such as the notorious EU AI Act. This talk is designed as a synthesis of practical experience, academic insights, and industry knowledge, aiming to connect these domains. It is ideal for those interested in AI development and the societal impact of AI applications. Attendees will gain a comprehensive understanding of RAG's role in GenAI, exploring the intersection of industry practices and ethical frameworks. So, has AI changed how we use computers in just as little time as three months? Yes. Will it continue to do so henceforward? Yes. And we need to (light)talk about it.

"(Ctrl+Alt+RAG: Resetting AI Expectations).join('EthicalAI')"
Tamara Zavisic (IWConnect, Macedonia, the former Yugoslav Republic of); Miodrag Cekikj (Faculty of Computer Science and Engineering, Ss. Cyril and Methodius University, Skopje & IWConnect, Macedonia, the former Yugoslav Republic of)

Wednesday, May 22 12:20 - 13:20

L1: Lunch

Room: Canteen

Wednesday, May 22 13:20 - 14:00

K3: Keynote expert address: Quality at scale across an OEMs ecosystem

Sponsored by RT-RK Tech Day
Room: Main room
Chair: Marijan Herceg (Josip Juraj Strossmayer University of Osijek, Croatia)

We will discuss the challenges of delivering an OS to an ecosystem of OEMs including ensuring the quality for 400+ commercial brands spanning across 10+ manufacturers. From code management, individual customization to final certifications.

Quality at scale across an OEMs ecosystem
Gaëtan Delcroix (Google, USA)

Wednesday, May 22 14:00 - 14:40

K4: Invited talk: Infrastructure for the Age of Software

Room: Main room
Chair: Marijan Herceg (Josip Juraj Strossmayer University of Osijek, Croatia)

We live in a world being redefined by software. In the past, connecting endpoints over a distance was the big challenge. The telephone system is the high point of that generation. The endpoints were just microphones and speakers, which are dependent upon the network to preserve the waveform.

Today we live in a very different world in which our devices are smart, and we no longer depend on a network provider's smarts. In fact, those smarts create problems such as buffer bloat. We now implement systems as a collection of devices and are no longer confined to a single box. The components can be scattered across the world and can be part of multiple systems.

This new way of thinking is at odds with an infrastructure that puts barriers in the path (subscriptions) and second-guesses innovation by trying to "add value". This is even more the case as AI has accelerated the pace of innovation.

Infrastructure for the Age of Software
Bob Frankston (IEEE Consumer Electronics Society, USA)

Wednesday, May 22 14:40 - 15:00

C2: Coffee break

Room: Canteen

Wednesday, May 22 15:00 - 15:40

E1: Expert talk: Does Matter matter?

Sponsored by RT-RK Tech Day
Room: Main room
Chair: Marija Antic (University of Novi Sad, Serbia)

The Matter protocol, formerly known as Project CHIP (Connected Home over IP), represents a significant advancement in smart home technology standardization. By unifying various smart devices under a common communication standard, Matter aims to simplify device setup, enhance cross-compatibility, and bolster data privacy for consumers.

This presentation aims to provide a comprehensive overview of this emerging standard and its implications for the future of smart home technology (and possibly wider). We will explore the key technical details of the Matter protocol, various communication standards it uses, standardized device profiles, and security mechanisms. The potential benefits of Matter, such as seamless device integration across different ecosystems, improved user experience, and increased market adoption of smart home devices will be tackled. However, alongside its promising features, the Matter protocol also faces challenges that need to be addressed, like user experience, maintaining backward compatibility with existing smart home ecosystems, and ensuring the maturity and evolution of the Matter ecosystem.

Does Matter matter?
Istvan Papp (OBLO Living, Serbia)

Wednesday, May 22 15:00 - 16:20

S3: Session 3: AI in Image and Video Processing

Room B
Chair: Mario Vranjes (University of Osijek, Croatia)
The Integration of Artificial Intelligence and Computer Vision in Large-Scale Video Surveillance of Railway Stations
Velibor Ilic (The Institute for Artificial Intelligence Research and Development of Serbia, Serbia)
Tool for image annotation in context of modern object detection
Stjepan Prakljačić (TTTech Auto Central and Eastern Europe, Croatia); Ratko Grbić (University of Osijek, Faculty of Electrical Enginneering, Croatia); Mario Vranjes (University of Osijek, Croatia); Marijan Herceg (Josip Juraj Strossmayer University of Osijek, Croatia)
Implementation of parallel K-means algorithm for image classification using OpenMP and MPI libraries
Anja Tanović and Vuk Vranjković (University of Novi Sad, Serbia)
Algorithm for Extracting Signposts from the Scene and Understanding Text on Them
Ivan Čordašić (TTTech Auto, Croatia); Mario Vranjes (University of Osijek, Croatia); Ratko Grbić (University of Osijek, Faculty of Electrical Enginneering, Croatia); Marijan Herceg (FERIT, Croatia)

Wednesday, May 22 15:40 - 16:20

E2: Expert talk: Diagnostic potential of the exploitation of the SAE J1939 protocol in industrial IoT

Sponsored by RT-RK Tech Day
Room: Main room
Chair: Marija Antic (University of Novi Sad, Serbia)

SAE J1939 is the backbone of heavy-duty vehicles, such as trucks, construction equipment, and other off-road machinery. It offers a transmission ranging from 250 Kbps up to 1 Mbps of highly structured data about all aspects of the machinery.

SAE J1939 is a high-layer protocol modelled on the ISO/OSI network protocol stack with the physical layer functionalities being realized by the CAN protocol. CAN protocol, which relies on the shielded twisted-pair wiring has brought in the reduced wiring combined with the prevention of message collision (no data lost). The SAE J1939 keeps building atop it.

Thanks to its structure, the SAE J1939 protocol is easy to integrate with various diagnostic tools.

The protocol has already proven itself on many levels within the machines' inter-communications, as well as off-duty diagnostics. But, in the era of the Internet of Things, what are the potential fruits of this protocol propagated to the Cloud? The already known fact is that the protocol is about smart communication - enabling filtering methods such as source address, parameter group filters, and message ID, leading to efficient data traffic. But, what are the benefits of the remote diagnostics in industrial IoT that SAE J1939 protocol brings in?

Diagnostic potential of the exploitation of the SAE J1939 protocol in industrial IoT
Srđan Popić (RT-RK, Bosnia & Herzegovina)

Wednesday, May 22 16:20 - 16:40

C3: Coffee break

Room: Canteen

Wednesday, May 22 16:40 - 17:20

K5: Keynote expert address: Overcoming challenges in the European automotive industry: The role of systems engineering and continuous integration and verification

Sponsored by RT-RK Tech Day
Room: Main room
Chair: Istvan Papp (University of Novi Sad, Serbia)

The presentation will delve into the challenges faced by the European automotive industry, highlighting the lack of software expertise and complex supplier interdependencies. It will propose continuous software integration and verification (CX) as a solution to improve software KPIs and enhance competitiveness in the Software Defined Vehicle (SDV) race. The insights are drawn from Pickhard's extensive practical experience rather than academic theory.

Overcoming challenges in the European automotive industry: The role of systems engineering and continuous integration and verification
Friedhelm Pickhard (TTTech Auto, Austria)

Wednesday, May 22 17:20 - 18:00

E3: Expert talk: Unleashing Container Technologies in Industrial IoT: From Edge to Cloud

Sponsored by RT-RK Tech Day
Room: Main room
Chair: Istvan Papp (University of Novi Sad, Serbia)

Software container technologies, such as containers and Kubernetes, are revolutionizing the way applications are developed, deployed, and managed. This presentation provides a concise introduction to containerization, discussing its benefits, such as increased portability, scalability, and security. We will explore the key concepts of containerization, including container images, registries, and orchestration tools. Moreover, this presentation will delve into the practical applications of containers within the domain of Industrial IoT. From edge computing devices to the cloud, containers play a pivotal role in enabling seamless deployment and management of IoT applications across diverse environments. We will discuss how containers facilitate the encapsulation of IoT software components into lightweight, portable units, ensuring consistency and reliability across the entire IoT ecosystem. In addition to discussing the benefits of containers in Industrial IoT, we will also address the unique challenges and considerations associated with containerizing IoT applications. From resource-constrained edge devices to stringent security requirements, we will explore strategies for overcoming these challenges and optimizing the deployment of container-based IoT solutions.

Unleashing Container Technologies in Industrial IoT: From Edge to Cloud
Dejan Stefanovic (RT-RK, Serbia)

Wednesday, May 22 17:20 - 18:00

K6: Keynote expert address: AI Solutions for E-Mobility

Room B
Chair: Vladimir Marinkovic (Faculty of Technical Sciences at University of Novi Sad, Serbia)

Keynote expert address by Dr Sven Laemmermann, Functional Algorithm and Software Development Group Lead in ZF Serbia.

AI Solutions for E-Mobility
Sven Laemmermann (ZF Group, Serbia)

Wednesday, May 22 18:00 - 18:40

E4: Expert talk: Exploring Diverse Paths for running Android as In-Vehicle Infotainment OS

Sponsored by RT-RK Tech Day
Room: Main room
Chair: Istvan Papp (University of Novi Sad, Serbia)

In recent years, car manufacturers have been refining their in-vehicle infotainment systems to offer unique user experiences. Traditionally, these systems relied heavily on Linux. However, with the rise of Android's popularity mostly because of its rich ecosystem of apps, there's a growing interest in incorporating Android into these systems. There are three primary approaches to integrating Android into in-vehicle infotainment: Complete replacement of Linux with Android, Hypervisor solutions, and Containerized approach. The pros and cons of the approaches mentioned will be discussed along with the Company's experiences with each of them. Some of the metrics would be time to market, resource consumption, architecture, etc. Additionally, the most common implementation technologies would be given. What do You think? Which solution will prevail in the market?

Exploring Diverse Paths for running Android as In-Vehicle Infotainment OS
Milena Milosevic (RT-RK Computer Based Systems LLC, Serbia)

Wednesday, May 22 18:00 - 18:40

E5: Expert talk: State of the art OTT player to reduce live latency

Sponsored by RT-RK Tech Day
Room B
Chair: Vladimir Marinkovic (Faculty of Technical Sciences at University of Novi Sad, Serbia)

OTT technology is slowly taking over and becoming massively used for streaming on various multimedia platforms. In today's modern era streaming is possible on almost every device which has internet connection (e.g. mobile phones, TV/STB, personal computers, cars equipped with infotainment systems).

The presentation aims to explain challenges in the industry with latency while watching live OTT content. It highlights complexity of the issue to reduce live latency and presents one of the solutions how OTT player was extended to solve the problem. Technology can make significant impact on every day's life in some specific fields / areas. Examples are live events broadcasting (e.g. sport events, concerts), online betting. However, there are many challenges handling the issue, especially in times where still different transportation medias (RF signal, IPTV and OTT) are used for same content distribution. Complexity of the solution requires improvements that need to be made in every node of an AV pipe - from source, encoders, etc., down to user's device and player on it.

State of the art OTT player to reduce live latency
Vladimir Živkov (RT-RK, Serbia)

Wednesday, May 22 20:00 - 23:00

DN: Conference dinner

Restaurant Piknik, Ribarsko ostrvo bb; Access with dinner ticket only
Room: Restaurant

Thursday, May 23

Thursday, May 23 9:00 - 10:00

H2: Registration

Room: Hall
Chair: Jelena Gajic (NIT Institute, Serbia)

Thursday, May 23 10:00 - 11:20

R1: Session R1: TV, Image and Video Processing

Room B
Chair: Milos Subotic (University of Novi Sad, Serbia)
Visual Monitoring of Mice Wellness by Tiny Detectors
Danilo Pietro Pau (STMicroelectronics, Italy); Marco Garzola (Italy); Beshoy Guirges (Universita Degli Studi di Pavia, Italy)
Detecting Mice Depth Shapes with Deployable Tiny Neural Networks in Small Cages
Danilo Pietro Pau (STMicroelectronics, Italy); Gioele Fiorenza (University of Milano-Bicocca, Italy); Marco Garzola (Italy)
Design and Evaluation of a Real-Time Gesture controlled Television
Kunal Kishore (PES University, India); Manikandan J (PES University (PESU), India)
Comparative Analysis of Modern Methods for Surface Type Identification in RGB Image Data
Katerina Prihodova and Jakub Jech (University of Pardubice, Czech Republic)

Thursday, May 23 10:00 - 11:20

S4: Session 4: Hardware in Consumer Technology

Room: Main room
Chair: Nebojsa Pjevalica (University of Novi Sad, Serbia)
Tailored Raspberry Pi 3B+ Software for the Implementation of Hardware Security Primitives Based on Commercial Off-the-Shelf Devices
Nico Mexis (University of Passau, Germany); Shuai Chen (Southeast University, China); Stefan Katzenbeisser and Tolga Arul (University of Passau, Germany); Nikolaos Athanasios Anagnostopoulos (Universität Passau, Germany)
Design and testing of low-cost portable magnetometer for consumer applications
Nikola I Mitrović, Sandra Veljkovic and Zoran Prijić (University of Nis, Serbia); Danijel Dankovic (University of Nis, Faculty of Electronics Engineering, Serbia)
A 20GHz Radar Receiver RF front-end with Tx-to-Rx spillover cancellation circuit
Nikola Šormaz (University of Novi Sad, Serbia); Vojkan Vidojkovic (Eindhoven University of Technology, The Netherlands); Jelena Radić (University of Novi Sad, Serbia)
Advanced UVM-Based Verification Methodology for Consumer Electronics HW Design Evaluation and Validation
Marko Savić and Nebojsa Pjevalica (University of Novi Sad, Serbia)

Thursday, May 23 11:20 - 11:40

C4: Coffee break

Room: Canteen

Thursday, May 23 11:40 - 13:00

R2: Session R2: Social Implications of Consumer Technology

Room B
Chair: Nenad Cetic (University of Novi Sad, Serbia)
The role of multimedia in e-commerce: An analysis of Czech e-shop websites
Renáta Bílková and Miloslava Kašparová (University of Pardubice, Czech Republic)
Societal elements that impact the performance of Women Entrepreneurs in Tier-II Cities: A study of Rohilkhand Region of Uttar Pradesh
Darshneel Grover (RBMI Group of Institutions, India); Somesh Sharma, Preetnain Kaur and Amit Mittal (Graphic Era Hill University, India); Pradeep Kumar Sharma (Graphic Era Deemed to Be University, India)
Analysis of the Implementation of the UTAUT Model in Assessing Factors Influencing Consumer Loan Decisions on Online Loan Applications
Thariska Putri Wardani, I Gusti Made Karmawan and Setiani Putri Hendratno (Bina Nusantara University, Indonesia)
Micro Frontend Architecture
Vladimír Kunštár and Patrik Podhorský (Slovak University of Technology in Bratislava, Slovakia)

Thursday, May 23 11:40 - 13:00

S5: Session 5: Internet of Things

Room: Main room
Chair: Jelena Kovacevic (University of Novi Sad, Serbia & RT-RK, Serbia)
Discovering the potential of multi-assistant architecture in a smart home system
Dušan Mačkić (University of Novi Sad & OBLO Living LLC, Serbia); Marija Antic (University of Novi Sad, Serbia)
Managing IoT Data Transmission in Smart Home Environments with Zero-Knowledge Proof Protocol
Dušan Mačkić (University of Novi Sad & OBLO Living LLC, Serbia); Marija Antic (University of Novi Sad, Serbia)
Secure work from home: An exploration of OpenZiti's componential framework
Anastasija Pejkovic and Marija Antic (University of Novi Sad, Serbia)
A Solution for Management and Administration of Smart Home Systems
Ivana Krtolica and Marija Antic (University of Novi Sad, Serbia); Sandra Ivanovic (RT-RK LLC & University of Novi Sad, Serbia)

Thursday, May 23 13:00 - 14:00

L2: Lunch

Room: Canteen

Thursday, May 23 14:00 - 15:20

R3: Session R3: Artificial Intelligence & Hardware

Room B
Chair: Sandra Ivanovic (RT-RK LLC & University of Novi Sad, Serbia)
Battery Cluster Reverse Logistics Challenges
Petr Litera and Hana Kopackova (University of Pardubice, Czech Republic)
Design and development of an IoT based Signal Generator for Testing Equipments
Hrishikesh Milind Gawas (PES University, India); Manikandan J (PES University (PESU), India)
Resistance to shock analysis of Deep Reinforcement Learning
Ilya Pchelintsev (National Research University Higher School of Economics, Russia); Petr Lukianchenko (National Research University Higher School of Economics & Moscow Exchange MOEX, Russia)
Design and Development of Handloom Saree Testing System using Machine Learning
Mathiazhagan P, Prakash Bhat and Periyasamy S (Central Silk Technological Research Institute, India); Vibhav Tiwari, Samar Garg, Samarth Bhat, Badrisha R and Sanchit Kumar (PES University, India); Manikandan J (PES University (PESU), India)

Thursday, May 23 14:00 - 15:00

S6: Session 6: Software in Consumer Technology

Room: Main room
Chair: Miroslav Popovic (University of Novi Sad, Serbia)
Data Channel API: Middleware for Big Data Streaming in Automotive
Nemanja Trifunović (University of Novi Sad, Serbia & RT-RK Institute for Embedded Systems, Serbia); Miodrag Djukic (Faculty of Technical Sciences, Serbia)
Protection of CAN communication on embedded platform using symmetric encryption
Iva Horvat (TTTech Auto Central and Eastern Europe, Croatia); Ratko Grbić (University of Osijek, Faculty of Electrical Enginneering, Croatia); Mario Vranjes (University of Osijek, Croatia); Denis Vranješ (Computer Science and Information Technology Osije, Croatia)
An environment for orchestrating containers on a local ProxMox server
Aleksa Rajković (Serbia); Marija Antic (University of Novi Sad, Serbia)

Thursday, May 23 15:20 - 15:40

C5: Coffee break

Room: Canteen

Thursday, May 23 15:40 - 17:20

R4: Session R4: Consumer healthcare

Room B
Chair: Milan Z. Bjelica (NIT Institute, Serbia & University of California San Diego, USA)
YOLOv8 Utilization in Occupational Health and Safety
Pavle Jankovic, Mihajlo Protic, Luka Jovanovic, Nebojsa Bacanin, Miodrag Zivkovic and Jelena Kaljevic (Singidunum University, Serbia)
Securing Smart City Health Services Using Blockchain Technology
Suraj Belludi and Hana Kopackova (University of Pardubice, Czech Republic)
Enhancing Road Safety: Real-Time Distracted Driver Detection Using Nvidia Jetson Nano and YOLOv8
Osamah N. Neamah, Tarik Adnan Almohamad and Raif Bayir (Karabuk University, Turkey)

Thursday, May 23 15:40 - 16:40

S7: Session 7: Multimedia and Signal Processing

Room: Main room
Chair: Miodrag Djukic (Faculty of Technical Sciences, Serbia)
Optimization of Immersive Audio Technologies Start-up Time in Home Theatre Environment
Azra Samac (University of Novi Sad, Serbia); Jelena Kovacevic (University of Novi Sad, Serbia & RT-RK, Serbia); Nenad Pekez (Facutly of Technical Sciences & RT-RK, Serbia)
Use of Extended Kalman Filter in an UWB based Indoor Positioning System
Milorad Trifunović (RT-RK Institute for Embedded Systems & Faculty of Technical Sciences in Novi Sad, Serbia); Istvan Papp and Ilija Basicevic (University of Novi Sad, Serbia)
Enhancing Caching Efficiency of DSM-CC Data Carousel BIOP Messages for Android TV Broadcast Stack Virtual File System
Predrag Petković and Timur Valeev (RT-RK, Serbia); Ilija Basicevic (University of Novi Sad, Serbia)