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Subdivision Surfaces
Otočka, Dávid ; Španěl, Michal (referee) ; Sumec, Stanislav (advisor)
The object of my bachelor work was to create a library, that will realise the technique of Subdivision Surfaces and demonstrate the functionality of the library on different examples. The library as well as the program is written by using C++ language, for window creation is used WinAPI and for work with the graphics OpenGL. There are three implemented algorithms and those are Butterfly, Loop and Catmull-Clark. For demonstration are used few basic objects, that are implemented directly in the library.
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Time-Gathering Video
Kárníková, Pavlína ; Sumec, Stanislav (referee) ; Herout, Adam (advisor)
This bachelor essay describes problems of creating time-gathering video, image processing and the theory of photography. Purpose is created program, which can modify photos and after that create video. Program is implemented in the C and C++ language and uses the OpenCV library. Application can run in the operation system Windows.
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Conversion of Raster-Curve into Vector Representation
Král, Jiří ; Sumec, Stanislav (referee) ; Beran, Vítězslav (advisor)
In my process of tracing I deal with converting an input grayscale image into a vector one trying to keep as big similarity with the input image as possible. Tracing is carried out with the help of curve approximation even if the approximation is possible only with line elements, that is to say the curve in raster. Therefore it is necessary to extract the line elements from the input image. We can do it in two different ways according to two different objects in the image. The first group is represented by thin, ablong objects which are substituted by their skeleton. The second group is represented by large objects which are susbstituted by their contour. The found lines are then divided into such parts which can be easily curve approximated. Resulting curves are then only depicted into the output by suitable raster method.
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File Manager in 3D
Martinák, Ondřej ; Sumec, Stanislav (referee) ; Beran, Vítězslav (advisor)
This thesis concentrates on a design of 3D user interface for interaction with a file system. It presents a short description of 3D user interfaces and techniques used for their design and implementation. It also presents a brief description of libraries which might be used for development of virtual reality applications and a description od device which was used for graphical output and an acquisition of informations about user's head movements.
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Automatic Tagging of Presentations
Huška, Michal ; Sumec, Stanislav (referee) ; Černocký, Jan (advisor)
This thesis deals with a development of application running on mobile devices with Windows Mobile operating system. The main task of this application is observing canvas with running presentation and saving time marks, that inform about slide change or animation. Description of system requirements, system analysis using UML language, solutions on image processing level, decription of implementation in C++ language and application tests results are described in the text. Problems of mobile device software development are also outlined in the document. A great part is dedicated to work with multimedia on Windows Mobile 5.0 system, especially to problems linked with DirectShow technology.
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Solar Concentrator System with Automatic Tracking System
Žák, Martin ; Sumec, Stanislav (referee) ; Baxant, Petr (advisor)
This master’s thesis is focused on current possibilities of solar energy utilization – especially on concentrating solar power systems – and their optimization using solar tracking systems to maximize energy gain. The thesis also deals with solar position algorithm and offers an Arduino based automatic dual axis solar tracker design which provides various solar devices the ability to pivot using stepper motors, DC motors or servos. The motion might be driven by calculated solar position or by actual illuminance.
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Video Editing Tool
Krivda, Marian ; Herout, Adam (referee) ; Sumec, Stanislav (advisor)
This work consist of the design and implementation of the video editing core. It contains three general phases. The first of them is inspection of video editing tools. The video editing core design is second phase. Last phase is implementation.
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Description and testing of communication protocols IEC 60870-5-103 and 60870-5-104
Pekárek, Dominik ; Mičulka,, Petr (referee) ; Sumec, Stanislav (advisor)
This thesis is focused on testing of communication protocols IEC 60870-5-103 and IEC 60870-5-104. Theoretical part of the thesis describes basic principles, services and possibilities of both communication protocols. Practical part of the thesis deals with configuration of the IEC 60870-5-103 communication standard of protective terminal REF630. PCVDEW6 tool was used to test this communication protocol. Next part of the thesis is focused on convertion of the communication standard IEC 61850 to IEC 61870-5-104 using control system COM600. The testing of both communication protocols was carried out in the laboratory of the protection relays on the testing panels at ABB Brno.
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Fractals in Computer Graphics
Šelepa, Jan ; Venera, Jiří (referee) ; Sumec, Stanislav (advisor)
The goal of this work is to give introduction and specification of fractals. The first chapter presents the basics of fractal geometry. The second chapter maps the history of fractals and points out the most important people of fractal science. The third chapter presents fractal classification based on several criteria and gives basic examples. The fourth chapter is a summary of widely used applications for fractal creation. The last chapter describes the application that was made to demonstrate given algorithms and fractals mentioned in this thesis.
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