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Election Polls in Czech Republic: Methodological Optimalizations
Prokop, Daniel ; Krejčí, Jindřich (advisor) ; Soukup, Petr (referee)
Bibliographic record PROKOP, Daniel. (2012). Election polls in the Czech Republic: Methodological Optimization. Charles University in Prague, Faculty of Social Sciences, Institut of Sociological Studies. Thesis academic consultant: Mgr. Jindřich Krejčí, Ph.D. Abstract The thesis focuses on the election-polls and prediction of election results in the Czech Republic. Using data of research company MEDIAN s.r.o. from face-to-face (CAPI) and telephone interviewing (CATI) in election year 2010 it examines possibilities of methodological optimizations which could lead to reducing systematic bias and discrepancies of pre-election polls the election results. In particular, it discusses these methodological solutions: mix-mode data collection (combination of CATI and CAPI), data weighting focused on specific factors correlated with voting behavior, including preferences of undecided voters, prediction of the respondents' participation in elections, election-polls results time-series smoothing. Based on these analyses the thesis tries to articulate general findings which could be fruitful in discussion about Czech election-polls and their methodology in general. In the thesis, basic and advanced statistic methods (CART, exponential smoothing, etc.) are being used to achieve given research goals. Keywords: election...
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Porting and Optimization Algorithms for Detecting Finger Veins on DSP Blackfin
Trhoň, Adam ; Drahanský, Martin (referee) ; Marvan, Aleš (advisor)
This thesis discuss optimizations of algorithms for finger vein map extraction from finger image taken in NIR spectrum. The algorithm is also ported on development kit with DSP Blackfin. For optimization the median filtering was mainly considered (resulting in histogram-based median filter) and the amount of memory used during extraction (resulting in semi-parallel pipeline of image filters). Simple hardware abstraction layer is also implemented.
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Canny's Operator and Other Useful Edge Detectors
Janda, Miloš ; Juránek, Roman (referee) ; Venera, Jiří (advisor)
This work introduces main approaches for digital image processing and defines fundamental terms for successful understanding. Main aim is description of several suitable methods used in digital image pre-processing, methods for edge detection and consequent post-processing of these. The final goal of this work is effective implementation and complex comparison of methods for edge detection.
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Neural Network Based Edge Detection
Janda, Miloš ; Žák, Pavel (referee) ; Švub, Miroslav (advisor)
Aim of this thesis is description of neural network based edge detection methods that are substitute for classic methods of detection using edge operators. First chapters generally discussed the issues of image processing, edge detection and neural networks. The objective of the main part is to show process of generating synthetic images, extracting training datasets and discussing variants of suitable topologies of neural networks for purpose of edge detection. The last part of the thesis is dedicated to evaluating and measuring accuracy values of neural network.
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Detection of Papillary Line Width by Fingerprints
Homola, Antonín ; Drahanský, Martin (referee) ; Lodrová, Dana (advisor)
This work outlines a method of detection of the papillary line width in fingerprints. This method is one of the possible methods of liveness detection. The first part of the work with deals defining of the fingerprint, attacks on today's systems and possibilities to improve security. The next section detection describes of the papillary line width. During the process of resolving, the first thing to do was to start operation of the scanning device and to read the database for tests and experiments. An independent application was created on this purpose. Further, there were projected methods for detection and measuring of the papillary line width. Use of the Canny edge detector with the Sobel operator and the Gaussian filter proved the best. Then, there is described implementation of individual methods. The next part of the work describes and assesses the results of the tests. The last chapter summarizes the work and proposes further possibilities of development.
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Statistical processing of data of solar radiation in place BUT FME Brno
Nečasová, Klára ; Jaroš, Michal (referee) ; Štětina, Josef (advisor)
This bachelor’s thesis deals with the measurement of solar radiation. The aim of this work is to determine the usefulness of solar energy and solar radiation compared to the oblique and horizontal surface. You are given basic information about solar radiation, the Solar, collectors and sensors. Further work includes measurements and calculations of solar radiation in the course of one year and at the end of the evaluation of measurement results.
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Analysis of wages and salaries in the capital city of Prague
Provazník, Jan ; Šimpach, Ondřej (advisor) ; Löster, Tomáš (referee)
Wages and salaries represent important economic terms whose amount characterizes the standard of living of the population in a given territory. These terms are related to everyone who had ever decided or is going to enter into an employment relationship, which is the vast majority of population. For these reasons my bachelor thesis deals with analysis of wages and salaries in the capital city of Prague. Wages and salaries are explored in this thesis by using the indicators of gross monthly wages and salaries. The development of medians of these indicators is evaluated through graphs, basic characteristics of time series, indices and suitable trend function. The development of wages will be examined from 2001 to 2013 and salaries from 2004 to 2013. Further for 2013 the indicators are divided into groups according to socio-economic characteristics of employees. Medians of these groups are compared with each other. Furthermore, wage and salary differentiation is examined. The analysed data are obtained from the Average Earnings Information System. This thesis should provide the information about wage and salary situation in the capital city for the reader. It consists of four chapters, where the first two are theoretical and the other two are analytical parts.
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Analysis of House Prices in Relation to Ongoing Changes in Society
Kotula, Daniel ; Syrovátka, Oldřich (advisor) ; Došek, Marek (referee)
The goal of this diploma is based on the observed data and current developments in the property market, combined with data showing household income and expenses, to predict future trends in the property market. By comparing the value of real estate, rent prices in selected locations with revenue and costs for different income groups, we find when individual income groups are able to buy or rent property and under what conditions. Result of this work is to describe six future trends.
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