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Original title in Czech: TeleinformatikaFEKTAbbreviation: PP-TLIAcad. year: 2012/2013
Programme: Electrical Engineering and Communication
Length of Study: 4 years
Profile
The aim of the studies is to prepare top-class scientific personalities that will be able to provide solution to challenging problems of science and technology in the field of information technologies in telecommunications. Another aim is to teach graduates the methods of scientific work, to make their knowledge of higher mathematics and physics more profound, and to furnish students with theoretical, experimental and practical knowledge from the field of teleinformatics.
Key learning outcomes
Graduates of doctoral studies in the field of teleinformatics are fit to work as scientific and research workers in the development, design and operation departments of research and development institutes, and telecommunications companies, where they can make full creative use of their knowledge and skills. The graduate is capable of solving independently sophisticated problems of science and technology in the field of teleinformatics. In view of the scope of his theoretical education the graduate is capable of adapting to practice requirements in both fundamental and applied research.
Occupational profiles of graduates with examples
This field of study focuses on the science education of doctoral students with profound theoretical foundations in converging communication and in formation technologies. The main part of the study includes course in theoretical informatics and telecommunication technology. In the area of teleinformatics the student has much knowledge of communication and information technologies, data transmissions and their security, inclusive of using and designing the related software. He is well versed in operating systems, computer languages, database systems, distributed applications and the like. He can cope with the algorithmization of tasks on a high level and can propose new technological solutions of telecommunication devices, information systems and support services.
Guarantor
prof. Ing. Zdeněk Smékal, CSc.
Issued topics of Doctoral Study Program
The studying of the properties of sound intensity probe, which is also used for localization of sound source, will be first step. The research of the adaptive noise cancellation (ANC) algorithm used in two-channel speech enhancement systems will be the next step. The purpose is to design and test a new adaptive algorithm, which partially utilizing the directional properties of the sound intensity probe for speech quality enhancement.
Supervisor: Sysel Petr, doc. Ing., Ph.D.
Multitone modulations are today frequently used modulation techniques, e.g. in ADSL, VDSL, PLC, WLAN IEEE 802.11a, g, n technologies. In all the above mentioned systems the known and well described modulation DMT (Discrete MultiTone) or OFDM (Orthogonal Frequency Division Multiplexing) is used. The goal will be to optimize existing and to design, simulate, implement and test new alternative modulation techniques based on multicarrier modulation.
Supervisor: Šilhavý Pavel, doc. Ing., Ph.D.
The work will be focused on the research of utilization of modern noise source identification methods that combine near-field acoustic holography with beamforming for multimodal acoustic field analysis. Part of the solution will be also comparison of outputs of these methods with conventional simulation methods that use statistic and wave acoustic and research of possibility of utilization of concurrent processing in these methods.
Supervisor: Schimmel Jiří, doc. Ing., Ph.D.
People express their emotions on the basis of voice, movement, mien, etc. These days, text messages in the form of emails, SMSs, etc. are an equivalent communication way for expressing emotions. The thesis aim is to propose a new method for automatic recognition of emotion from text. For this purpose, in addition to a database of keywords, also the semantic meaning of words and phrases should be used.
Supervisor: Smékal Zdeněk, prof. Ing., CSc.
The thesis will be focused on analyses of speech signal with wrong pronunciation and on automatic detection of wrong pronunciation in speech. An analysis of particular pronunciation defects and their influence on speech parameters will be part of the work.
The topic is focused on broadband data communication systems over metallic lines, based on technologies using multi-carrier modulation technique (DMT, OFDM,...), like xDSL and Power Line Communication (PLC) systems.
Supervisor: Zeman Václav, doc. Ing., Ph.D.
The work is focused on the design of A/D and D/A converters working in the current mode. The aim is to design a suitable structure of number-current and current-number converters without internal current-voltage and voltage-current conversions with respect to enhancing the bandwidth in comparison with converters working in the voltage mode. Part of the work is also the design and analysis of current-mode antialiasing filters. The design will start from unconventional circuit element structures such as current conveyors (CCI, CCII, CCIII) with simple or floating output, current feedback amplifiers (CFA) or transconductance amplifiers (OTA, BOTA, DBTA). Requirements to be met by the candidate: the knowledge of circuit theory and simulation programs (MicroCap, PSpice).
Supervisor: Lattenberg Ivo, doc. Ing., Ph.D.
Research in the cryptographic security of electronic archives.
Telematic systems are particularly common in transport. Research into telematic systems based on the Internet protocol will be focused on the design of sophisticated, i.e. well-considered, formally well-developed and complicated methods that use IP systems in various areas. Surveillance and protection systems, systems of paying the fare, information systems and interactive applications, etc. are supposed in particular. Localization by GPS, vehicle diagnostics, and vehicle monitoring on ortho-maps in real situations are in the focus. Sophisticated telematic systems will be software simulated, optimized and subsequently hardware realized in the form of functional specimens.
Supervisor: Škorpil Vladislav, doc. Ing., CSc.
The thesis is focused on research of novel realizations of frequency filters, oscillators, synthetic inductors, etc. with minimal configuration only on transistor level. The aim is design of low-voltage and low-power applications by using of influences of transistor parasitics that are working in frequency range tens of MHz. The workability of proposed circuits will be proved by SPICE simulations and/or via experiments.
Supervisor: Herencsár Norbert, doc. Ing., Ph.D.
A trouble of VoIP technology are emergency calls when the caller is not able to report his/her location. A possible solution is to use IP geolocation methods based on communication delay. The research will deal with IP nodes geolocation related to VoIP technology. An experimental large-scale network PlanetLab (www.planet-lab.org) will be used for the research. PlanetLab consists of approx. 1000 servers around the whole world.
Supervisor: Komosný Dan, prof. Ing., Ph.D.
The aim of this work is, with the use of current computer vision algorithms and data mining tools, to propose and validate new algorithms and mathematical models, which will be able to train image processing algorithms for a given template. The problem of current methods is that they require human interaction and have high demands on the skills of people who should use them (e.g. for medics without technical education it is difficult to use computer vision algorithms). The task is to combine existing computer vision algorithms and methods for data mining and to propose new algorithms that will automate the process data analysis.
Supervisor: Burget Radim, prof. Ing., Ph.D.
The work is focused on the feature analysis of current-mode electronic frequency filters. The aim is to design algoritmizable methods that lead to finding features of filters generally defined by the schematic. It will be necessary to evaluate the available feature ranges, e.g. quality, pass-band current transfer, dynamic range within a defined supply voltage, sensitivity, etc. In the case of finding the quality range, the point is to find the extremes of a multi-variable non-linear function. Mathematical tools (e.g. Maple or MathCAD) will first be used for this purpose; afterwards the algorithm itself will be designed. Requirements to be met by the candidate: algorithm thinking, the knowledge of computer programming and circuit theory.
The thesis is focused on research of novel realizations of frequency filters that are designed to process fully-differential signals, especially current-mode solutions. Research of design methods used for design of these filters is also the goal of the thesis. Modern current-mode active elements are used as building blocks; current followers and amplifiers, various circuits consisting of transconductance degree, conveyors and their differential equivalents. The workability of designed solutions will be confirmed by simulations and also by experimental measurements.
Supervisor: Jeřábek Jan, doc. Ing., Ph.D.
Wireless sensor networks (WSNs) is rapidly developing technology impacting various areas such as military (battlefield monitoring) and environmental monitoring (wildfires, water floods, etc.). The Ph.D. student's research will deal with the investigation of geographical routing in WSNs. Geographical routing works with the knowledge of mote positions and it is used for delivering data to a specified geographical location. Geographical routing will be evaluated in a real experimental WSN with around 500 motes.
To the scientific audience, more often new active elements are presented that have the aim to supplement classical operational amplifier. Therefore, the goal of the work is deeper analysis and own computer aided design of mainly linear functional blocks with new currently presented active elements. Based on these application possibility analyses the aim of the work is the design of own active elements, that indeed will have the potential to supplement the operational amplifier in high-frequency applications.
Supervisor: Koton Jaroslav, prof. Ing., Ph.D.
The aim of thesis is to use methods of genetic programming for image analysis and image processing. The problem of automatic design of image operators lies in the definition of state space areas that are interesting for us. There is a contradiction between image analysis using low-level parameters and semantic image content. The task is to design, via evolutionary techniques, an automatic computer vision system that can locate and separate the desired object, with the semantic meaning being taken into consideration.
The goal of PhD. study is a research of methods for modelling and testing of mobile and wireless networks to work out methodology for design and optimization of mobile and wireless data network structures when input conditions are specified like traffic flows (input and output) of particular nodes, types of running services and their requirements.
Supervisor: Novotný Vít, doc. Ing., Ph.D.
The goal of the study would be modification of the state-of-the-art methods of modelling the trafic. The newly developed models shoul cover also the dynamic properties of various types of transmissions such as HTTP, FPT, VoIP.
Supervisor: Rajmic Pavel, prof. Mgr., Ph.D.
The work will be focused on the research of sound field rendering in horizontal plane and 3D space using the wavefield synthesis, ambisonics, SIRR (Spatial Impulse Response Rendering) and DirAC (Directional Audio Coding) and on their practical aspects (real reproduction devices). Part of the solution will be comparison of these methods regarding reproduction fidelity, computing demands, etc. and also finding of utilization of these methods for audio signal auralization.
The vulnerability of the IEEE 802.11, attacks on the security methods and the methods for its effectiveness. Wireless network security issues expected standards IEEE 802.11. A detailed introduction to these standards, describe the various types of wireless security, including their properties and the subsequent theoretical analysis. The implementation of the attacks on the various methods of modern security algorithms, emphasis will be placed on the identification of weaknesses of 802.11 protocols. On the basis of the findings will be designed and tested security more effective. Attention will be paid to the security quality of service QoS in 802.11 networks. The network will be subject to examination by appropriate programs and simulators (Opnet Modeler, NS2). Will also be examined according to modern services (IP phones, the transmission of video, voice, multimedia) to delay and to be performed, including an overall analysis to the QoS optimization.
The thesis will be concerned with the design of multimodal methods of images scanned by medical techniques. The main objective will be noise suppression, increase of accuracy and exploitability. The research will be based on cooperation with medical specialists in The University Hospital Brno, where MR and X-ray images will be scanned and evaluated. The theme of dissertation is connected with the projects supported by Czech grant agency, GAČR 102/07/0389 a 102/07/1086.
Supervisor: Gescheidtová Eva, prof. Ing., CSc.
The theme is focused on processing of static, dynamic or three-dimensional images produced by different medical acquisition techniques, namely the output of the sonographic examination, body slices acquisition using the magnetic resonance etc. The goal is to improve properties of single images, their segmentation, 2D object recognition, quantification of different object parameters, their dynamic or spatial analysis, or eventual 3D model reconstruction. The main result of the work will be a proposal of a novel method being utilizable for solving of concrete diagnostic problems in cooperation with doctors.
Supervisor: Říha Kamil, prof. Ing., Ph.D.
The aim of the study is to optimize the routing principles. The architecture of network element with priority routing will be designed. An original procedure will be proposed for modelling this problematic mathematically and also for implementing the mathematical model. The software simulation of a system that can be used to control the switching field designed for switching data units shall be extended with hardware implementation, e.g. via programmable logic fields of development system FPGA. The knowledge obtained will be generalized and related to the theory of high-speed network elements. The MATLAB program and the Visual C++ language in particular are expected to be used in software simulation.
Routing policies cause violations of the triangle inequality of communication latency between stations in IP networks. This violation results in problems when using IP services based on communication latency. The research will deal with study of the reasons causing the violation and with proposal of possible solutions of their elimination. An experimental large-scale network PlanetLab (www.planet-lab.org) will be used for the research. PlanetLab consists of approx. 1000 servers around the whole world.
Nowadays, there exist methods for segmentwise computation of the wavelet transform with no error. The goal of the study would be to modify such methods and devote them to processign of videosignals. The student should also consider optimal paralelization of the task in order to achieve the shortest computation times.
The goal of PhD study is the research of the influence of ambient conditions like temperature, pressure, mechanical vibrations on transmission characteristics of optical fibres, and the design of suitable methods and techniques of optical fibre usage as sensors of various physical quantities.
Analysis of transmission paths in energy networks and the management of the network elements (eg different transmission priorities, different volumes of transmitted data). Methods of massed data collection for power system. Design of intelligent massed data collection systems in the power network.
Supervisor: Mišurec Jiří, prof. Ing., CSc.
The work will be focused on research into softswitch incorporation into converged NGN networks. One of the goals will to link softswitches with the existing SS7 TDM network through the IP network. The goal will be to design, implement and test the protocol solution. Based on this groundwork the new approaches to solving these signalling systems will be introduced. Individual approaches will be tested in practical realizations.
Parkinson's disease is manifested by increasing of noise and hoarseness in speech utterance, monotone prosody and irregular speech rate. The aim of this thesis is to find significant attributes, their optimal selection and a design of the new method for automatic detection and monitoring of Parkinson's disease symptoms.
The fundamental frequency is the one of the important parameters of the speech signal. Its estimation is due to the nonstationary of speech signal quite difficult. Empirical mode decomposition is an advanced method for analyzing nonstationary signals based on signal decomposition into intrinsic mode functions adapted to the base signal content. The instantaneous frequency, among other parameters, can be determine using the Hilbert transform. The content of the dissertation research will be research of the basic method of detection frequency tone and its comparison with other known methods.
Specific points of face are necessary find in teleroentgen photography. There points are suitable for computing of design tratment for orthodontics. The file of rtg photogrphy is available for testing. The produce is method for exatly determination points of interest for automatic processing cephalometric analyses.
Active network elements now use for the management of queues and control of switching a series of powerful algorithms. The task is to implement selected algorithms of queues management into the development system equipped with an FPGA card, instrument performance and develop a custom algorithm that addresses the development of the management of queues in the respect of the standard of marking used for QoS solutions. The resolution will be the knowledge of languages C and VHDL, Matlab, or Verilog.
The topic is focused to direct and indirect A/D converters. The research work will be oriented to solve and analysis of converters using current and voltage conveyors. The main view is available rate and accuracy of conversion.
The aim of this work is, with the use of artificial intelligence algorithms and mathematical models, to propose and validate new algorithms, which will be able to automate image processing in three dimensions according to a given man-made template. The problem is that the calculations in three-dimensional space are often on the order of magnitude more demanding to CPU and memory space and therefore most of the 2D algorithms fail. The task is to combine existing computer vision algorithms and data mining methods in order to deliver automatic or semiautomatic.
Underdetermined systems of linear equations have a wide spectrum of applications in the field of image and audio processing (compressed sensing, inpainting removal, denoising, deblurring).