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Photo-Contest on Facebook
Pololáník, Petr ; Kolář, Martin (referee) ; Beran, Vítězslav (advisor)
This bachelor's thesis deals with the theory of creating modern web applications, whose logic is solved predominantly on server. Various technologies that are commonly used are analyzed. Thesis mainly deals with creating specific application for managing photo-contests on Facebook site. These photo-contests are organized by companies to expose their brand. Requirements for the application are specified and a final draft is created. Then the implementation and application scalability are described.
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Birds Eye Panorama
Sobotka, Lukáš ; Pavelková, Alena (referee) ; Kolář, Martin (advisor)
The goal of this paper is to create panorama from the collection of photographies, which are taken from randomly moving device with OS Android. The device is placed on flying vehicle (a kite, a helium balloon, a drone etc.). The photographies are taken from birds eye view. The Android application was created and tested. This application creates a collection of photographies and then runs an algorithm to create panorama. This algorithm specifies descriptors using SURF, which are filtered by RANSAC algorithm for finding the optimal homography.This algorithm is perfomed iteratively over the collection. The image data is processed using the OpenCV library.
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Altitude Estimation from an Image
Vašíček, Jan ; Kolář, Martin (referee) ; Čadík, Martin (advisor)
This thesis is concerned with the automatic altitude estimation from a single landscape photograph. I solved this task using convolutional neural networks. There was no suitable training dataset available having information about image altitude, thus I had to create a new one. To estimate human performance in altitude estimation task, an experiment was conducted counting 100 subjects. The goal of this experiment was to measure the accuracy of the human estimate of camera altitude from an image. The measured average estimation error of subjects was 879 m. An automatic system based on convolutional neural networks outperforms humans with an average elevation error 712 m. The proposed system can be used in more complex scenario like the visual camera geo-localization.
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Machinable bioceramics prepared by gelcasting method
Kolář, Martin ; Částková, Klára (referee) ; Trunec, Martin (advisor)
In the diploma thesis, overviews of the existing literature focused on the gelcasting method and based on the findings were prepared aqueous slurries of zirconium oxide for gelcasting method. These suspensions were examined for the influence of the content ceramics powder, type and content of dispersants and volume of initiator on viscosity of aqueous suspensions and process of polymerization. Optimum ceramic suspension had 45 vol.% of ceramic powder which was stabilized by 0,5 weight % of dispersant Dolapix CE 64. Polymerization running at room temperature was initiated by 0,175 weight % of ammonium persufate without accelerator. Microstructure of prepared ceramic blanks and sintered bodies was compared with body prepared by isostatic pressing. For the machining tests were prepared blanks in disc-shaped.
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Study of bioceramic materials on the base of calcium phosphates
Kolář, Martin ; Maca, Karel (referee) ; Cihlář, Jaroslav (advisor)
The literature search on the topic of Bioceramic materials focused in layered materials based on calcium phosphates was written up. Based on knowledge obtained, experiments of preparation of calcium phosphates layered materials based on calcium phosphates by spin-coating method focused in optimalization of layer application conditions were designed and carried out. Experiments of preparation of hydroxyapatite bulk ceramics by uniaxial pressing followed by heat treatment were also performed. Prepared layered and bulk ceramics were characterized from bioactivity point of view by testing of their interaction with simulated body fluid.
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Evaluation of feed rations and the impact on performance in bull fattening
KOLÁŘ, Martin
The diploma thesis deals with the nutrition fattening cattle. The evaluation of the feed rations was based on the needs of nutrients for the recommended values in relation to utility parameters on the given farm. The work also evaluated feeding and stabling technique, the quality of feed composition and feed rations and evaluation of the basic economic indicators of fattening bulls.
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Analysis of the present approaches to DRM for electronic books and design of an alternative approach
Kolář, Martin ; Sigmund, Tomáš (advisor) ; Čermák, Radim (referee)
This thesis deals with problems associated with the distribution of the electronic books. Those problems are mainly caused by the use of the digital rights management technologies and techniques. In the thesis those technologies and techniques are further explored as there are several stakeholder groups identified who are affected by them. It also explores ethical aspects of using those technologies and techniques and those aspects are then used as one of the starting points of the design of an alternative approach to the digital rights management. This approach is the primary objective of this thesis.
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World Sugar Market and the role of the Czech Republic
Vrběcká, Lucie ; Gullová, Soňa (advisor) ; Kolář, Martin (referee)
In my diploma thesis I am analysing world sugar market and the role of the Czech Republic on this market. In the first chapter I am describing sugar as a general commodity, its usage, consumption and production, also the production in important areas. In the second part of the thesis I am writing about the restrictions of the sugar market from European Union, I am describing all reforms and quotas and its influence on all countries. In the third part, the most important one, I am writing about sugar trade on Exchange which instruments are mainly being used, news forms of trading such as Fair Trade. I am also describing factors that influence development of prices. In the last part, also very important one, I am writing about the role of the Czech Republic on the world market and its development throughout the years and about attenuation of the sugar production in our country.
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Evaluation of feed rations in cattle fattening
KOLÁŘ, Martin
The bachelor thesis deals with the nutrition fattening cattle and evaluates standart of nutrition on the given farm. Information on the composition of feed rations, feeding and stabling technique were obtained from the dietary study of nutrition fattening cattle. The evaluation of the feed rations was based on the needs of nutrients for the recommended values in relation to utility parameters. The work also evaluated the quality of roughage in terms of nutritional value and selected fermentation characteristics.
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INDUSTRIAL PRODUCTION OF THE TOWN ČESKÉ BUDĚJOVICE
KOLÁŘ, Martin
Description and charting of current industrial production of the town České Budějovice (Budweis) are the main aims of this bachelor's paper. Actual condition is confronted with state of the years 1989 (status before the start of industrial transformation) and 1994 (condition of early industrial-transforming years in the Czech Republic). The main regards are: structure of employment, structure of industrial branch, structure of industrial ownership and spatial differentiations of industrial production. The work reports about industry since beginning of industrial revolution till nowadays economics trends. This thesis monitors economic situation of the biggest companies of the town too.
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