Bojan Mrazovac

Bojan Mrazovac
University of Novi Sad · Department of Robotics, Mechatronics and Automation

Ph. D.

About

50
Publications
21,607
Reads
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327
Citations
Citations since 2017
6 Research Items
148 Citations
2017201820192020202120222023051015202530
2017201820192020202120222023051015202530
2017201820192020202120222023051015202530
2017201820192020202120222023051015202530
Additional affiliations
November 2016 - present
NTT DATA Corporation
Position
  • Senior Embedded Developer
September 2008 - present
University of Novi Sad
Position
  • Research Assistant
Description
  • Teaching assistant: 2008/2009. – “Logical modeling of computer based systems 2”; 2012/2013. – “Computer based systems design”; 2013./now – “Architecture of digital signal processors” Mentoring and supervision: MSc - 2011.; BSc - 2012. and 2014.
January 2007 - October 2016
RT-RK Computer Based Systems
Position
  • Software Design Engineer

Publications

Publications (50)
Article
Potreba ljudi za sigurnošću uslovljava razvoj sigurnosnih sistema koji se primjenjuju za kontrolu ulaska osoba u određene prostorije. Iztraživanje se fokusira na mogućnosti primjene modernih tehnologija kako bi se razvio pouzdan i efikasan sigurnosni sistem. U okviru ovog rada, predstavlja se primjena Blokčejn tehnologije za razvoj decentralizovane...
Article
Bezbednost predstavlja jednu od osnovnih potreba čoveka. Zahvaljujući razvoju tehnologije došlo i do napredka u polju bezbednosti. U okviru ovog rada vršena je implementacija modernih tehnologija u svrhu povećanja sigurnost zaštićene zone. Izvršena je implementacija programske podrške za prepoznavanje izgovorene kodne fraze od strane korisnika koji...
Article
U ovom radu predstavljena je upotreba mašinskog vida, na namenskim računarskim platformama korišćenjem neuronskih mreža za prepoznavanje lica.U radu su dati određeni teoretski uvodi iz oblasti koje su korišćene u izradi projekta, takođe je prikazana i implementacija i dobijeni rezultati na namenskim platformama Minnowboard [1], Raspberry Pi [2] i M...
Conference Paper
Full-text available
Things connected to the internet may not be connected only to servers on the cloud. Its usefulness can be unleashed only if they are interconnected as well. This interconnection is recognized as communication between services of the Internet of Things. Due to the nature of the things on the web, spatial overhead for any data exchanged needs to be k...
Conference Paper
Full-text available
Things connected to the internet may not be connected only to servers on the cloud. Its usefulness can be unleashed only if they are interconnected as well. This interconnection is recognized as communication between services of the Internet of Things. Due to the nature of the things on the web, spatial overhead for any data exchanged needs to be k...
Conference Paper
Full-text available
Device-free human presence (DFHP) detection is a novel technique, mainly applicable to wireless sensor networks in which a human does not need to carry a wireless transceiver to be detected. Irregularities in the radio signal propagation pattern, expressed in a form of received signal strength indicator’s (RSSI) variations can indicate possible pre...
Conference Paper
Full-text available
In this paper we propose a novel concept for the street lighting automation, with the primary goal to decrease the level of light pollution and the electric energy waste. The concept enables the street lights, equipped for wireless communica-tion, to be automatically switched on or off according to a presence of humans or moving vehicles. As oppose...
Conference Paper
This paper describes an approach to a full vertical smart building solution. The concept relies on identification of distinct layers, selection of optimal technologies for each, and their seamless integration into a unified service. The solution uses low-cost, energy efficient Zigbee for the most massive device layer, embedded solution for the laye...
Conference Paper
Device-free human presence (DFHP) detection is a technique in which a human does not need to carry any form of wireless transceiver to be detected. The technique is mainly applicable to ‘RF sensor network’ which refers to a wireless network that is the sensor itself, using radio frequency (RF) signals to probe the environment. The human presence de...
Article
Full-text available
At microwave frequencies, absorption by molecular resonance is a major factor affecting radio propagation. Irregularities in the radio propagation pattern, expressed in a form of the received signal strength indicator's (RSSI) variations, can indicate the possible presence of a human within the radio network. The proposed human presence detection m...
Conference Paper
Full-text available
The presence of a human in the vicinity of radio transceivers results in radio signal strength variations at the receiver’s input. Therefore, human presence in an indoor environment can be recognized by analyzing and quantifying irregularities in the radio signature. In order to quantify the information in terms of human presence, we present a nove...
Article
As the number of computer-based systems and consumer gadgets is growing, users are becoming increasingly overwhelmed by the requests for attention coming from this variety of devices. In addition, technology has quickened the pace of life and work to the extent that interaction between people has become more frequent. Dealing with both social and d...
Article
Full-text available
Radio irregularity phenomenon is often considered as a shortcoming of wireless sensor networks. In this paper, the radio irregularity is regarded as a benefit of wireless networks. The proposed novel method for human presence detection, applied to the monitoring system for residential energy management, utilizes radio irregularity for an efficient...
Conference Paper
Efficient wireless networks have significantly motivated the use of radio signals for intrusion detection and surveillance. While moving through an area covered with 2.4GHz radio network, a human body interferes with radio signals, resulting in strong variations of the signal strength. In this paper, we propose the method which recognizes human pre...
Conference Paper
This paper presents concepts and implementation of a software safety module for use in the development of embedded software for smart home actuators. Presented solution preserves low CPU overhead and facilitates software development towards meeting various safety requirements for safety certifications.
Conference Paper
This paper proposes the use of the incremental method for principal components analysis, designed for human presence detection. The algorithm extracts principal components from the matrix of signal strength samples retrieved from the pre-existing wireless electrical infrastructure, based on smart outlets and smart light switches. By proposing the a...
Conference Paper
Full-text available
Efficient wireless sensor nodes have significantly motivated the usage of wireless sensor networks for intrusion detection and surveillance. A passive wireless surveillance network has the ability to detect humans by analyzing only the variations of the signal strength with respect to distance and alignment between nodes. When a human passes throug...
Article
Full-text available
The paper presents a novel method for human detection that is applied to the automatic control of home appliances' power consumption. The method uses a wireless smart outlets network and changes of received signal strength indicator (RSSI) between stationary communication nodes (2.4 GHz smart outlets). The main idea is to monitor the changes of RSS...
Conference Paper
In this paper we present a solution of a gateway device for smart homes with the ability to interact with IPv6-enabled home devices over 6LoWPAN, answering to the need for the creation of ubiquitous, energy-saving home networks. The gateway also supports the traditional IPv4 interfacing over WiFi and Ethernet. UPnP over IPv6 is fully enabled so tha...
Conference Paper
Full-text available
The paper presents a human detection method applied to the intelligent device-level software platform for residential energy management. The proposed solution increases user awareness and automates the power control, with the primary goal to contribute in energy savings. Instead of using conventional presence sensors as inputs for automated power m...
Article
Full-text available
Radio irregularity phenomenon is often considered as a shortcoming of wireless networks. In this paper we present the method of using radio irregularity as an efficient human presence detection sensor which increases user awareness in smart homes. The idea is based on monitoring the received signal strength indicator (RSSI) between stationary wirel...
Conference Paper
The most recent requests for interoperability between the different devices within a home automation system have brought IP-based protocols to the attention in this area. However, a number of hurdles need to be overcome so that the IP connection to home devices could become enabled, the most important being the requests for a large address space an...
Conference Paper
This paper presents interactivity enhancements applicable for the applications for modern TV receivers, using the example of TV communication application. Context-aware functionalities for TV applications are presented, including the automatic operation profile selection and the announcement of the selected profile by the use of RGB lighting effect...
Article
This paper presents a solution that exploits changes in radio signal strength (RSSI) to detect a movement or presence of a person within a particular environment. The performance of the proposed scheme is experimentally evaluated. Based on the results, we belive that the proposed scheme is particularly suitable for application in the future intelli...
Conference Paper
Ever increasing demand for the solutions that can help automate everyday tasks inside a household has resulted in various systems, devices and applications working towards the fulfilment of that goal. The majority of systems use scripting languages to define the behaviour of automated devices in the home. In this paper we present the results of the...
Conference Paper
Full-text available
This paper presents the design and implementation of a simple software-based home control platform used for the intelligent automatic control of audio/video devices. The system facilitates integration of various residential sensors, with an accent on users’ localization and presence detection. For the presence detection and localization we utilize...
Conference Paper
Full-text available
In a world of accessible information the pace of everyday living is quickening. This coupled with the increasing interest in personal healthcare and well-being issues has resulted in new solutions being arrived at. Existing consumer electronics and home automation solutions need to evolve to capture these developing customer needs. In the scope of...
Conference Paper
Full-text available
In this paper we present an intelligent device-level residential energy monitoring and controlling platform based on interactive outlets and light dimmer-switches. The platform allows users to monitor, control and compare electricity consumption of appliances connected to the residential power network. In our prototype we are able to perform contro...
Article
Full-text available
The introduction of IP-based services to the realm of television broadcasting, television receivers and set-top boxes, opened possibilities for different, new applications for the users in front of their TV screens. IPTV, IP-based communications, social networking and web browsing are among the newest add-ons to the traditional digital TV concepts....
Conference Paper
Full-text available
Modern technologies and connectivity enable users to perform their tasks faster than ever before. Overall performance no longer depends upon barriers imposed by the tools used for the work, but by the speed of the worker himself. Trying to compete with their electronic “helpers”, such as computers, PDAs and mobile phones, people perform multitaskin...
Conference Paper
In this paper we present a system for mediating social interruptions in home or office environment, based on the use of a novel technique of light-based busy flags. The system uses a scalable set of sensors to estimate user availability and to announce this information to possible interrupters (e.g. workplace colleagues) by using dynamic, programma...
Conference Paper
Full-text available
This paper presents a multi-sensorial platform that estimates person availability, and alerts others by using light effects and a web portal. Using cameras, microphones and events from home/office equipment, the platform decides the light scheme to illuminate the foyer in front of the monitored room using the color corresponding to occupant’s avail...
Conference Paper
Full-text available
This paper presents a simple Ambient Intelligence system design and implementation. The system is based on 3D user localization within a room using the 3D camera and responding through an array of UPnP/DLNA rendering devices. The way the system responds to users’ location is controllable and changeable, and it is defined by executing an XML documen...
Conference Paper
Full-text available
This paper presents a solution of a UPnP/DLNA control library for the use within a distributed multimedia system. Apart from standard playback control functions, library supports execution of scripts that define time transitions and response to external events, faster response to play command and better playback synchronization across multiple rend...
Conference Paper
Full-text available
This paper presents an optimized software solution for fast video decoding, which can be easily integrated into systems that lack hardware support for parallel video processing. These systems are usually based on a single low processing power hardware decoder, which is in charge of processing one video stream. If it is required to decode two differ...
Conference Paper
Full-text available
One of the most important enablers when assembling a modern ubiquitous computing system is distribution of multimedia content throughout a home and control of its playback. Additionally, ambient intelligence requirements include playback timeline programming, interaction with sensors and event-based playback triggering. Normally there is a central...
Conference Paper
Full-text available
In this paper we present an idea, concept and implementation of a system for distributed multimedia presentation playback, using a standard web browser that is remotely controlled in real time. Presentations are defined in SMIL language, whereas multimedia content is fetched from a central server. There is no need for presentation authoring and all...
Conference Paper
Full-text available
In this paper we present an idea, concept and implementation of a novel interactive 3D light control. The device is made as a “sensing glove” which recognizes certain hand gestures using one accelerometer and responds through the commands sent to a remote lighting source, at the same time allowing natural hand positions without impact to the contro...
Article
This paper presents an approach in software realization of Picture-in-Picture decoder (PIP decoder). Advantage of introduced PIP decoder is that it can be easily integrated into systems without hardware support for Picture-in-Picture functionality. These systems are usually based on a single low processing power hardware decoder, which is in charge...

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Project (1)
Project
ADAS platform for the self-driving, autonomous car.