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Commercial retouching techniques
Nguyen, Hai Ha ; Šedivá, Zuzana (advisor) ; Žid, Norbert (referee)
This bachelor thesis is focused on options of using various techniques to retouch digital photos and its application for commercial purposes. The main objective of this thesis is to explain the term digital retouching and indicate usable options for commercial matters. This thesis is divided into two parts. The first part describes basic terms, which are related to digital retouching. The author also shares his personal experience and recommendation related to this topic. The second part describes suitable techniques for retouching in the category of technical retouching and creative retouching. In this thesis I presume that a reader should have basic knowledge of using programs such as Adobe Photoshop and Adobe Lightroom. All retouching techniques were done with either Adobe Phoshop CS5 or Adobe Lightroom 3 (both were available in English localized version)
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Reconstruction of motion blurred digital photographs
Papež, Michal ; Šroubek, Filip (referee) ; Pelikán, Josef (advisor)
In the present work we study digital reconstruction techniques of photographs that were damaged by simple camera motion during exposition. The work describes and compares procedures of image reconstruction in spatial and frequency domain. Special attention was given to algorithms of inverse filtration type. One of them was modi ed for restoration purpose. Another algorithms for estimating camera movement during exposition and inverse lter adjustment were designed and proposed. The in fluence of noise on the quality of reconstruction was studied. Another task was to design and implement an automatic tool for reconstruction. The proposed algorithms were then tested and evaluated on the base of this tool. Although the quality of reconstructed images is not on the expected level for common undamaged photographs, they should satisfy the requirements for usual technical purposes. Comparing the damaged and reconstructed images the improvement is evident.
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Tester amplifier for high impedance speaker measurements
Obr, Michal ; Mišurec, Jiří (referee) ; Káňa, Ladislav (advisor)
The presented paper deals with the basic division of amplifiers by their properties and a design of an amplifier with LME 49810 exciter with low output performance intended for measuring high-impedance speakers on a 100V link. This specific design contains basic safety components for secure function of the amplifier and connected speaker. The amplifier includes a digital gauge to measure output RMS voltage.
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Effect of sauna om muscle tone after physical excercise
Dastych, Petr ; Šifta, Petr (advisor) ; Nováková, Pavlína (referee)
Title: Effect of sauna on muscle tone after physical excersise Topic definition: This thesis presents a pilot theoretical - empirical two-factor experiment, where the main subject of the experiment is to evaluate the effect of sauna on increased muscle tension after sport and its potential for use in physical therapy and recovery. Aim of the thesis: To provide a summary of theoretical knowledge related to the subject and to assess the impact of sauna usage on muscle tension occurred after short term maximal anaerobic excercise and compare it with passive rest. Methods: This thesis will be processed at the Faculty of Physical Education and Sport on 6 individuals, who will be randomly divided into two equally large groups. The first three-person group will be a research one, the second three-member group will be the control group. Afterwards they will be subjected to a Wingate stress test. The experimental group will participate in sauna treatments and the control group in passive rest. Muscle tension will be measured before the load, after the load, and after the sauna / passive rest. Measurements will take place in a kinesiology lab at the Faculty of Physical Education and Sports. Measurements will be done by using a myotonometer and the data will be gathered via an analogue-digital converter and...
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Piezomotor control
Robotka, Jan ; Richter, Miloslav (referee) ; Macho, Tomáš (advisor)
This thesis aims to propose and implement a control system for a new type of piezomotor with the action elements of MPA for the purpose of measuring characteristics of this piezomotor needed for its use in practice. At the beginning the text processes theoretical data needed for design the control system. The author describes the principle of piezoelectric effect and deals with issues of piezomotors, which are based on this principle. Primarily theoretical knowledge relating to the piezomotor is processed. He also describes the characteristic of microcontroller C8051F015 based on processor core 8051, which is main element of whole control system. His peripherals, which are used in control system, are described more. One of the main parts of the text is design of analog board, which create sawmill course of voltage on piezocrystals of piezomotor. Images are used for description its individual parts. The circuit is controlled by digital and analog outputs of the microcontroller. Another part of the work is focused on communication between microcontroller and PC, which transmits instructions from user using the serial line. Further options of proposed application are shown and important used software components are described. Equally important is program for the microcontroller, which processes incoming messages from PC and manages its digital and analog outputs. In the next chapter is shown design of piezomotor and implementation of prototype the control system. Conclusion of work is devoted to measurement of piezomotor characteristics that shows resolution dependence on frequency, voltage amplitude and vertical pressure. The outgrowth of project, which is elaborated in this work, is the functional control system for the piezomotor with possibility of control through user application on PC. Obtained characteristics of piezomotor will be used for implementation into practice.
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Implementation of digital metronome with oversampling in VST technology
Křupka, Aleš ; Přikryl, Lubor (referee) ; Mačák, Jaromír (advisor)
This bachelor’s thesis presents solution to requirement of implementation of digital metronome in VST technology. In the beginning, there is analysis of basic characteristics of digital metronome, that helps to suggest algorithm realizing digital metronome. Algorithm is encapsulated into C++ class with appropriate interface, which is suitable for usage in different technologies of digital sound signal processing. This way encapsulated metronome is implemented in VST technology as plug-in. For this reason, thesis contains a brief introduction to VST software development kit, definitions of its basic methods and way how to do graphical user interface of VST plug-in. For realizing of function enabling choice of any sound loaded from wav file, there is a description of RIFF format, that specifies the format of saving multimedia data into drive. Using this knowledge, the function of loading from wav file is implemented. In order to adjust sampling frequency of loaded sound, thesis deals with problems of sample rate conversion and implements resampling function.
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Digital Diplomacy of the United States in the Muslim World
Jarčušková, Lucia ; Peterková, Jana (advisor) ; Druláková, Radka (referee)
The master thesis deals with a new phenomenon in the world of diplomacy: digital diplomacy. The main objective of this work is to determine whether the digital diplomacy is able to improve the relationship between the American and Islamic civilization. To fulfill this goal, the case study of Digital Outreach Team, of a team of specialists who search the internet and communicate with Muslims with negative attitude towards US, was used. The work is divided into three chapters. The first chapter provides a theoretical introduction to digital diplomacy. The second chapter is devoted to the use of digital diplomacy in the Unied States: a world leader in information and communication technologies, with an emphasis on digitization of activities of the Ministry of Foreign Affairs. In the third chapter we find the analysis of the digital activities of the team and assessment of the digital diplomacy on Arab soil.
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SMV-2013-09:Electron Beam Welder MEBW-60/2
Zobač, Martin ; Vlček, Ivan ; Dupák, Jan ; Dupák, Libor ; Kapounek, Petr
License fee from production and sales of the electron beam welder MEBW-60/2, which research and development was conducted at ISI in years 2006-2008. The device is significantly upgraded version of the electron beam welder developed at ISI during past 20 years. It features a working chamber with volume of 7 liters, an electron gun with accelerating voltage of 60 kV. The beam power is fluently adjustable up to 2 kW. For movement of the welded pieces it is possible to use 2-axis motorized manipulator. The control of the welder is fully digital and all functions are available to user through movable control panel. The device includes work table with work area large enough for needed preparatory work. Spatial arrangement is variable so it allows customization in place of installation.
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The impacts of the digitisation on running and dramaturgy of single-screen cinemas
Konopáčová, Jana ; Hanzlík, Jan (advisor) ; Hucková, Barbara (referee)
The aim of this bachelor thesis is to examine the impacts of the digitisation on running and dramaturgy of single-screen cinemas. The term cinema digitisation stands for a wide range of technological changes which are connected with transition from the classical movie screening provided by a 35 mm celluloid to a new system of digital projection. I set myself a target to assess this transition, to describe running of a digital cinema and to analyse all potential changes in cinema's offer. The practical part summarizes available information related to this area, the analytical part subsequently illustrates operation of two selected cinemas in relation to the hypothesis which are given in the introduction of this thesis.
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