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Visual Literacy in the Digital Era
Jarošová, Tereza ; Šafaříková, Radana (advisor) ; Pudlák, Štěpán (referee)
Final thesis titled Visual Literacy in the Digital Era is primarily focused on understanding image in the context of contemporary digital era, which is characterized particularly by abundance of visual images. Using analysis of principles of New Media and Surface Aesthetics, which is based on visual communication strategies, it tries to define new demands on viewers' perceptional capabilities and emerging consequences for their cognitive functions. Farther there are applied findings of contemporary cognitive psychology and neurobiology on artistic movements of 20th and 21st century and general artistic tendencies. In dependence on the analysis and application of gained findings there is in conclusion reassessed Visual Literacy in its existing definition, which is not sufficient for new demands that has arisen and do not take account of current level of viewers' literacy.
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Numerical methods in image processing for applications in jewellery industry
Petrla, Martin ; Hnětynková, Iveta (advisor) ; Plešinger, Martin (referee)
Presented thesis deals with a problem from the field of image processing for application in multiple scanning of jewelery stones. The aim is to develop a method for preprocessing and subsequent mathematical registration of images in order to increase the effectivity and reliability of the output quality control. For these purposes the thesis summerizes mathematical definition of digital image as well as theoretical base of image registration. It proposes a method adjusting every single image to increase effectivity of its subsequent processing. One image for every evaluated gemstone is generated using image registration. The method is implementated in the MATLAB environment. Powered by TCPDF (www.tcpdf.org)
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Visual political satire in the Czech media
Zamouřilová, Klára ; Lábová, Alena (advisor) ; Klimeš, David (referee)
Thesis called Visual political satire in the Czech media shows different types of visual satire which appeared in Czech media during its history and places them in historical context. It examines the political satire in detail from the fifties of the twentieth century, when the communist regime in Czechoslovakia was established. But the largest space is dedicated to the digital age. It describes technological changes which influenced birth of a new kind of satire, photomontage. Thesis focuses on declared photomontage. At first, it shows montages that appear in traditional media and then it proceeds to the internet. Presently, the content of web pages with media theme is created by amateurs as well. Thesis focuses on the production of one such amateur who takes part in the online citizen journalism, Teo Adamy. He comments politics through his montages. By the analysis of his photomontages, we find out in which topics the author is interested and how he processes them. Thesis closely analyzes the category Celebrity/Poblitici and looks for motives that repeat in his images. The final output is comprehensive preview to author's creation.
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Content-based Image Search
Talaš, Josef ; Surynek, Pavel (advisor) ; Děchtěrenko, Filip (referee)
This work aims at content-based image search. Different approaches to this type of search are investigated. The main focus of the thesis is special category of content-based image search called sketch-based image search. The most important descriptor types used for image feature extraction in image search are analyzed. Main contribution of the thesis to this research area is a new feature extraction method based on sketch-based image search. This method is implemented together with search interface. The method was evaluated by three test persons. The testing results show promising properties of new method and suggest further possible improve-ments. Powered by TCPDF (www.tcpdf.org)
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Pop-cultural Symbols in Visual Publicism in Tenth years of the Twenty-first Century In Pictures by Teo Adamy
Dvořáková, Anna ; Šoltys, Otakar (advisor) ; Láb, Filip (referee)
AbstractAbstractAbstractAbstract This thesis presents one of the first attempts to uncover and analyze the phenomenon of immediately apparent digital photomontage born and developed in the context of the Czech internet, that does not attempt to simulate a photographic reproduction of reality, but instead to regularly comment on political events of the Czech Republic. Using an analysis of photomontages of Teo Adamy (aTeo), the thesis explores their specific hybrid means of expression and the methods through which it completely fulfills the essence of pictorial commentary. Besides describing the creative basis and inspirational founts of the montage artist, it also provides an in-depth insight into the category of the so-called pseudofilm, a specific part of aTeo's internet production, that consists of photomontages feeding off the medium of film, using meaningful parallels in film stories and pop-cultural film references, or even directly inserts chosen political representatives into well-known film scenes and thus draws upon universal mythological structures activated by popular films. The Pseudofilm category is then subjected to a detailed analysis, whose output is a comprehensive description of aTeo's fictionally-realistic film-political photomontage and an understanding of specific features of its...
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Non-Photorealistic Rendering
Žilák, Jaroslav ; Bartoň, Radek (referee) ; Žák, Pavel (advisor)
The main purpose of this thesis besides providing the reader with basics of non-photorealistic rendering, is concept and possible solution for system realization, which is capable of this rendering using image post-processing. This thesis describes solution that is sufficiently flexible to support use of integrated filters along with the creation of new ones that can be recursively used to create another filters for this type of rendering. Thus part of this thesis is some kind of manual which provide basic syntax description and possibilities of use.
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Smoke and Fire Detection in Video Sequences
Tomek, Peter ; Štancl, Vít (referee) ; Švub, Miroslav (advisor)
This thesis aims to analyse a videosignal given in input and find segments that contains fire or smoke. The problem is divided into two cases-detection of fire and detection of smoke. The first and main step of analysation is detection of segments by Gaussian mixture model that is trained by Expectation-Maximization algorithm, or shortly EM algorithm. For smoke detection is than used method of optical flow. The final segments are than processed by some morphological methods and determination of their position is made. Finally, the output of algorithm is again a videosignal in which segments that probably contains fire or smoke are highlighted.
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Pattern Matching in Digital Images
Šramko, Samuel ; Mráček, Štěpán (referee) ; Orság, Filip (advisor)
This work deals with pattern matching in digital images. It describes theoretical presumptions for matching using template matching and SURF algorithms and their following use in solving correspondence problem. Work also describes design, implementation and testing phase of application, which uses aforesaid algorithms written in C++ language with OpenCV and Qt libraries. At the end this thesis describes format of tests and summarize obtained results.
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Techniques Used for Image Blurring and Sharpening
Lichý, Stanislav ; Juránek, Roman (referee) ; Venera, Jiří (advisor)
This bachelor's thesis deals with methods of digital image filtering. First of all, it contains basic notions necessary to understand problems, such as digital image, pixel, color spaces, noise and noise types. Secondly, important algorithms of image sharpening and noise reduction are described. Then, algorithms working principles are explained. Achieved results are analyzed together with a discussion about algorithms suitability and their time complexity. Lastly, selected algorithms are implemented by C++ programming language, using an open source library OpenCV.
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Library for Efficient Video Capture in 3D Application
Pospíšil, Petr ; Navrátil, Jan (referee) ; Havel, Jiří (advisor)
This thesis deals with library for recording video in the background of 3D application. A library is designed to work under the Microsoft Windows and Linux operation systems. It records image and also sound. Image recording is supported in OpenGL, Direct3D9, Direct3D10 and Direct3D11. To reduce video data size, library supports image compression using MJPG codec. Audio is recorded by WaveForm audio, Windows Core Audio or ALSA. Recorded sound is for whole operation system. A library is able to record up to two audio streams to accommodate possible microphone input. It can mix audio data together if needed. Output data are then written into AVI file. It is possible to write own text information as overlay that is rendered as part of application screen output.
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