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Parental Mode in KDE
Mrázek, Petr ; Dittrich, Petr (referee) ; Mlích, Jozef (advisor)
This work describes the KAuthorized and KAuth authorization interfaces, which are based on the KConfig configuration system and PolicyKit authorization system, respectively. KAuth is integrated into KAuthorized and tests of this integration are implemented, along with a tool that converts the KConfig-based settings to PolicyKit. During the testing phase, a local Denial of Service attack on PolicyKit is discovered. The second part of the work decribes the port of the PolicyKit tool to KDE~4 and the improvement of its user interface.
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Night Sky on Mobile Device
Plešek, Jan ; Dittrich, Petr (referee) ; Koutný, Jiří (advisor)
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px Menlo} This thesis describes concept and implementation of the application designed to observate the night sky in the simple and intuitive way using the concept of augmented reality. Based on the brief specification of the most widespread mobile operation systems, the iOS system was chosen as the implementation platform. The thesis describes methods to calculate the position of celestial objects based on the data gathered from GPS module, magnetometer and accelerometer. Stars, planets and other objects are rendered by the stereographic projection. The user can see celestial objects trough the mobile device display and control the direction of the view by positioning and turning the device. The application could be used for quick orientation in night sky during astronomical observation or educational purposes.
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Visualization of Data from Flight Loggers
Martiš, Adam ; Rydlo, Karol (referee) ; Dittrich, Petr (advisor)
The present work is focused on the analysis of the flight logger from the theoretical as well as practical, using available materials and valid regulations. The aim of this thesis is to explore the issue of available flight recorders. Suggest a suitable method of data visualization as a basis for design and build an application that visualizes data from flight recorders done.
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AeroWorks: Mode Selection Panel for Autopilot
Cibula, Peter ; Dittrich, Petr (referee) ; Chudý, Peter (advisor)
This thesis deals with the implementation of the aplication for the autopilot mode selection panel. It describes automatic flight control systems from their origins to the present. It deals with the spacial model of aircraft motion. It also describes the hardware characteristics of the panel, the application in terms of implementation and functionality, testing on flight simulator SimStar and future plans.
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Electronic Flight Bag for IPad
Černý, Tomáš ; Dittrich, Petr (referee) ; Chudý, Peter (advisor)
This thesis deals with the EFB systems, its standards, types and modes of operation. It describes the design and implementation of an Apple iPad application, intended to be used as an EFB by the Czech general aviation pilots. The real utilization of such application allows for simplification of the preflight check and safe execution of flight while removing the usual load of paper documents from the cockpit. This is achieved through a SW im- plementation of operationally attractive functions. It could be for example: searching in regulations and pilot's handbooks, acquisition and viewing of meteorological informations and recent changes in air traffic, interactive calculation of important parameters or flight navigation.
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AeroWorks: Visual Identification of Aircraft Flight Regimes
Kardoš, Juraj ; Dittrich, Petr (referee) ; Chudý, Peter (advisor)
This Bachelor thesis deals with the visual identification of an aircraft flight's regimes. It describes the spatial motion of an airplane along with the visualization of flight parameters and also proposes a system for a flight regime visual identification. The system processes the input video on a frame by frame basis in two steps. Initially, the video is being stabilized and the system subsequently proceeds in identification of flight related quantities describing the current flight state. Video stabilization is based on feature points detection and an optical flow calculation. Video frames are transformed in order to achieve sufficient consecutive frames overlap and thus to minimize the parasitic oscillations of the video acquisition system. Identification of values indicated by flight instruments is based on the Hough line transform approach. The thesis also includes a description of an application that analyzes a video from the cockpit of an aircraft and is able to recognize the instrument values displayed on specified flight instruments.
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Classification of Testing Maneuvers from Flight Data
Funiak, Martin ; Dittrich, Petr (referee) ; Chudý, Peter (advisor)
Zapisovač letových údajů je zařízení určené pro zaznamenávání letových dat z různých senzorů v letadlech. Analýza letových údajů hraje důležitou roli ve vývoji a testování avioniky. Testování a hodnocení charakteristik letadla se často provádí pomocí testovacích manévrů. Naměřená data z jednoho letu jsou uložena v jednom letovém záznamu, který může obsahovat několik testovacích manévrů. Cílem této práce je identi kovat základní testovací manévry s pomocí naměřených letových dat. Teoretická část popisuje letové manévry a formát měřených letových dat. Analytická část popisuje výzkum v oblasti klasi kace založené na statistice a teorii pravděpodobnosti potřebnou pro pochopení složitých Gaussovských směšovacích modelů. Práce uvádí implementaci, kde jsou Gaussovy směšovací modely použité pro klasifi kaci testovacích manévrů. Navržené řešení bylo testováno pro data získána z letového simulátoru a ze skutečného letadla. Ukázalo se, že Gaussovy směšovací modely poskytují vhodné řešení pro tento úkol. Další možný vývoj práce je popsán v závěrečné kapitole.
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E-Shop
Šibřina, Ondřej ; Rogalewicz, Adam (referee) ; Dittrich, Petr (advisor)
This bachalor's thesis discusses design and implementation of internet-based sales system that allows ordering goods (such as traditional e-commerce) and keep all the work connected with the processing of orders. This system also implements features that help owner with leading this e-commerce (keeping stock records, billing, shipping). It deals with the design and implementation of SEO-friendly application, which is also fully localized. This thesis also deals with modern elements of web applications, which are base of this system (frameworks, database mappers, etc.)
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E-Shop
Šibřina, Ondřej ; Rogalewicz, Adam (referee) ; Dittrich, Petr (advisor)
This bachalor's thesis discusses design and implementation of internet-based sales system that allows ordering goods (such as traditional e-commerce) and keep all the work connected with the processing of orders. This system also implements features that help owner with leading this e-commerce (keeping stock records, billing, shipping). It deals with the design and implementation of SEO-friendly application, which is also fully localized. This thesis also deals with modern elements of web applications, which are base of this system (frameworks, database mappers, etc.)
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OLAP Data Storage Methods
Dittrich, Petr ; Kroulík, Jan (referee) ; Hruška, Tomáš (advisor)
The topic of the bachelor work is the OLAP core implementation for the data storage space. All theoretical facts about the data storage space are discussed at the start. The form of metadata elements storage and the OLAP cubes creating are described in the following part. And finally, in the last chapter, it is precisely shown how to create a cube in this system.
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