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Lossless Image Compression
Vondrášek, Petr ; Polok, Lukáš (referee) ; Bařina, David (advisor)
The aim of this master's thesis was to design, develop and test a method for lossless image compression. The theoretical part includes a description of selected exiting methods such as RLE, MTF, adaptive arithmetic coding, color models used in LOCO-I and JPEG 2000, predictors MED, GAP and laplacian pyramid. The conclusion includes a comparison of various combinations of chosen approaches and overall efficiency compared with PNG and JPEG-LS.
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Lossless Image Compression
Vondrášek, Petr ; Polok, Lukáš (referee) ; Bařina, David (advisor)
The aim of this master's thesis was to design, develop and test a method for lossless image compression. The theoretical part includes a description of selected exiting methods such as RLE, MTF, adaptive arithmetic coding, color models used in LOCO-I and JPEG 2000, predictors MED, GAP and laplacian pyramid. The conclusion includes a comparison of various combinations of chosen approaches and overall efficiency compared with PNG and JPEG-LS.
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Commercial use of social networks
Vondrášek, Petr ; Pavlíček, Antonín (advisor) ; Juříček, Jan (referee)
This thesis analyses the possible utilizations of social networks by companies in order to obtain benefits in their field of business. This study is focused on the most popular social network on a global scope, i.e. Facebook, Twitter, LinkedIn, Google+ and YouTube. The theoretical section summarizes and provides an analysis of its suitability and possibility for applications in commercial companies. The possibilities discussed are in particular marketing, client communication, brand development and public relations. Moreover, the practical part of this thesis lists the main case studies that depict the utilization of social networks in practice and highlight the benefits the individual companies gain and their costs. Case studies further discuss the use of social networks by traditional and less traditional means for small and larger-sized companies. The thesis is complemented by applied research of social network activities of companies and the analysis of the perception of their users, which is realized by questionnaire survey.
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ETHICAL CODE AND ITS GENERAL APPLICATION
VONDRÁŠEK, Petr
Bachelor thesis Code of Ethics and its general application focuses on the theme of ethical codes in relation to their application in practice. The aim is to review the perspective of contemporary society, whether the existence of ethic codes issues for the contemporary human is still current or only formal. The theoretical part is devoted to the explanation of the basic concepts together with the historical and religious background of the ethic development. At the practical part based on a questionnaire survey and the carried out research that is based on the perception of the need and timeliness of the ethic code in the workplace.
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Exploitation of social web sites by companies
Vondrášek, Petr ; Šedivá, Zuzana (advisor) ; Basl, Josef (referee)
This bachelor thesis discusses the possible utilizations of services offered by social networks to companies. The aim of the thesis is to get acquainted with the three most popular social networks, present services they offer to companies and make recommendations for its optimal usage. Furthermore, the thesis incorporates the outputs of the questionnaire, which has focused on social networks users' perception of corporate activities on social networks. Moreover, case studies of two particular firms are included in the applicative part of the thesis to illustrate the social networks' exploitation in practice.
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