Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Mobile robot control and guidance using computer vision
Granát, Michal ; Jílek, Tomáš (oponent) ; Mišík, Štefan (vedoucí práce)
Products of theory of control are almost everywhere around us beginning with temperature controller in our houses through modeling of market behavior to spaceship control. The reason of its widespread is its performance and beauty hidden in mathematical approach. Wheeled mobile robots are also widely used in industry because of their loading capability which is necessary. High accuracy path-tracking is very important for the mobile robots to precisely follow the designed path. One of the easiest way how to mark the path is to use line with different optical features than background. There are several methods to detect line and most powerful and efficient is camera usage. Subsequently, there is need to use digital image processing which demanding for computational performance but there is possibility to obtain huge amount of data. Although this principle could look obsolete (guide line) it is still used in many solutions because of its simplicity and cheapness. What is more, using camera to navigate robot global (without using line) is sort of modern technology and it is still in development. Objective of this work is to assembly small mobile robot, create its mathematical model, design several controllers and use camera and computer vision for robot guidance using guide line.
Objective methods for evaluation of the audio signal quality
Granát, Michal ; Rajmic, Pavel (oponent) ; Rášo, Ondřej (vedoucí práce)
This diploma thesis deals with the objective methods of audio-signal qualification. In detail have been described algorithms to the reader which are used in individual methods. Individual methods are analyzed from computational intensity, ability to predict precisely subjective quality of audio-signals, point of view. There have been described basic variables by which audio-signals are described in further parts of this thesis. Second part has been dedicated to theoretical description of individual methods – their advantages and disadvantages and practical forms of usage. Third part has been dedicated to implementation of two chosen methods in graphical interface of MATLAB program. All the functions are described in detail which these applications offer. In the last part of the thesis there are in detail described results obtained by practical testing of audio-signals with different character in created applications and evaluated quality of reached results as an outcome.

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2 Granát, Michael
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