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National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.00 seconds. 
Graphical Visualization of PE EXE Statistical Analysis Results
 Rusnák, Jakub ; Jirák, Ota (referee) ; Peringer, Petr (advisor)
This bachelor's thesis describes statistical analysis of executable files in Portable Executable file format (PE EXE) with the entropy map, which is used to detect computer viruses which attack those files. It describes the PE EXE file format and methods of computer virus infection. The main objective is design and implementation of computer program for visualization of results of this statistical analysis. The application is implemented in c++ programming language with object oriented design on Microsoft Windows platform. It uses the 2D graphic library Cairo.
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Random number generator
 Križan, Viliam ; Burda, Karel (referee) ; Ležák, Petr (advisor)
This master thesis deals with a generation of random numbers and Fortuna generator implementation in Java language. In the first part the theoretical familiarization to the issues is introduced. Various entropy sources like mouse movement, keyboard typing, microphone and web camera noise are described and analysed. The analysis focuses on randomness, usability and volume of gathered data. Also the Fortuna random number generator is described from the theoretical view. Object analysis and implementation details are described in the last chapter of the document.
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Entropy rate estimation and compression of biological sequences
 Miščík, Peter ; Kozumplík, Jiří (referee) ; Škutková, Helena (advisor)
This master thesis describes theoretical knowledge of biological sequences, principles entropy rate estimates and possibilities of compression of DNA sequences using the substitution methods. Thesis includes practical application of the compression algorithm and practical estimation of entropy.
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