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Image interpolation
Hejdová, Martina ; Odstrčilík, Jan (referee) ; Kolář, Radim (advisor)
In this thesis, basics, attributes and usage of image interpolation are described. Multiple methods of interpolation are described in detail. Theoretical knowledge of interpolation are practicaly demonstrated in Matlab environment on selected methods of interpolation including my own implementation of quadratic and linear interpolation. Tests were run on different types of images, mostly on biomedicine ones. Single interpolations are also applied on histogram. Results are compered to each other and figure to the graphs.
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Application of Financial Analysis in a Company
Hejdová, Martina ; Beránek, Kamil (referee) ; Konečný, Miloš (advisor)
Master's thesis is focused on examination of financial health of a company from 2006-2008 with the usage of elementary methods of financial analysis. The aim of the submitted thesis is detection causes of financial standing of the company and according to gained knowledge, appropriate improving arrangements, which improve a financial position of company.
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Music player based on ARM
Hejdová, Martina ; Hanák, Pavel (referee) ; Fedra, Zbyněk (advisor)
This thesis is dedicated to the principles of a MP3 audio format decoding on available develpoment kits powered by ARM processors. It compares kit MCB2300 with LPC2378 microcontroller and kit Raspberry Pi with Debian operation system. The comparsion is focused on their suitability for MP3 decoder implementation. A complete design of support hardware modules, which complement the missing hardware of development kits is described in detail. Thesis includes the realization of an implementation of a MP3 decoder with additional visual effects in a form of an attached RGB LED strip developed on a Raspberry Pi development kit.
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The future of building societies in the Czech Republic
Tsis, Hanna ; Teplý, Petr (advisor) ; Hejdová, Martina (referee)
Building societies always show stable performance, but the situation can change because of new banking trends. This bachelor thesis deals with current problems of the building society sector in the Czech Republic and possibilities of future development. The analysis has shown that the current economic situation in the banking and financial markets has affected disadvantageously both the building society sector and the banking sector as a whole. Period of low mortgage rates together with reducing state aid have caused a decline in clients' interest in construction loans. One of the factors that greatly affects the future of the sector savings is the existence of state aid and its amount. Performed analysis of the historical development of building societies as a whole led to the conclusion that a gradual reduction in state aid resulted in the worsening of financial position of each building society, as evidenced by the decline in long-term indicators of return on equity, which, according to my predictions, by the end of 2020, will make up 7.8 %.
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Monte Carlo method and its usa in finance
Košina, Martin ; Hejdová, Martina (advisor) ; Stecenková, Marina (referee)
The aim of the thesis is the description of the Monte Carlo simulation method, which in recent decades are very popular in many scientific fields. Nowadays various statistical surveys, analysis and information processing are similar statistical methods very significant. The theoretical part of the paper firstly describes the general simulation models because of their solutions with similar methods such as Monte Carlo, are often used. The following are typical examples of the historical method, its description and usage. The practical part of the thesis deals with the management of risk in finance and the possible application of the Monte Carlo in determining the level of risk Value at Risk. This rate is modern and globally used tool in the management of market risk. The practical part is about the calculation of the extent of the price index PX , which is the official index of the Prague Stock Exchange.
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GARCH models and R
Jánoš, Andrej ; Bašta, Milan (advisor) ; Hejdová, Martina (referee)
The work is devoted to the concept of volatility and the basic models of volatility ARCH and GARCH. Firstly, volatility, properties of volatility, general structure of the models and historical volatility is described. Then the ARCH and GARCH volatility models are introduced and their properties, estimation methods and the possibility of implementation of these models in modeling and forecasting volatility are discussed. A substantial part of this work is a detailed application of the described models to some particular time series (both simulated and real) using the R program. We analyze the real data capturing the evolution of Prague stock index PX. The key aspect of the work is to provide enough theoretical knowledge and practical skills for a reader to fully understand the mentioned models and to be able to apply them in practise.
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Modeling of the Mortality Development in the Czech Republic
Hejdová, Martina ; Zimmermann, Pavel (advisor) ; Čech, Tomáš (referee)
The thesis deals with a mortality modelling in the Czech Republic. The main aim of this thesis is to describe historical development of mortality in the Czech Republic on the basis of multinomial regression. In a theoretical part the basic knowledge demanded for model construction divided into two chapters can be found. In the first chapter the basic difference between linear and generalized linear model is described. Second chapter is devoted to a logistic regression. Here we proceed from simple, binomial variable and then we generalize it for multinomial variable. Practical part deals with a construction of a described model. In the third chapter data (type and source) are described and in the fourth chapter characterizes all three models itself (two of them are descriptive and the third one is used for simple prediction). The prediction is added rather for completeness than for the importance of the work itself because it was not the main goal.
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